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US20010053854A1 - Pesticidal compounds and compositions - Google Patents

Pesticidal compounds and compositions Download PDF

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Publication number
US20010053854A1
US20010053854A1 US09/796,651 US79665101A US2001053854A1 US 20010053854 A1 US20010053854 A1 US 20010053854A1 US 79665101 A US79665101 A US 79665101A US 2001053854 A1 US2001053854 A1 US 2001053854A1
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Prior art keywords
alkyl
halogen
hydrogen
haloalkyl
compound
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US6458744B2 (en
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Tai-Teh Wu
Andrew Scribner
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Bayer CropScience SA
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Aventis CropScience SA
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/38Nitrogen atoms
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/561,2-Diazoles; Hydrogenated 1,2-diazoles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

Definitions

  • the invention relates to new 4-thiomethylpyrazole compounds, related compounds, compositions containing them, processes for their preparation, and their use for the control of arthropod pests (especially insects) and nematodes.
  • Pesticidal N-arylpyrazoles are described in the art, for example, in EP 0234119, EP 0511845, EP 0352944 and EP 0295117.
  • the present invention provides a compound of formula (I):
  • Q is a group (A1) or (A2):
  • W is N or CR 6 ;
  • —X 1 —X 2 —X 3 — is —CF 2 CF 2 O—, —CF 2 OCF 2 — or —OCF 2 O—;
  • R 1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkylalkyl or —(CH 2 ) m R 7 ; or is naphthyl optionally substituted by alkyl, haloalkyl, halogen, NO 2 , alkoxy, haloalkoxy or R 8 S(O) p ;
  • R 2 is hydrogen, halogen or optionally substituted amino
  • R 3 and R 6 are each independently hydrogen or halogen
  • R 4 is hydrogen or haloalkyl
  • R 5 is hydrogen, halogen, haloalkyl, haloalkoxy, —S(O) p CF 3 or SF 5 ;
  • R 7 is phenyl or a five to seven membered heteroaromatic ring having from one to four heteroatoms which are the same or different selected from nitrogen, oxygen and sulfur, which ring is optionally substituted by R 9 ;
  • R 8 is alkyl or haloalkyl
  • R 9 is alkyl, haloalkyl, halogen, CN, NO 2 , R 10 O, R 8 S(O) p , C(O)R 8 , C(O)OR 10 or NR 10 R 11 ; or when R 7 is phenyl two adjacent R 9 groups together form a —CF 2 OCF 2 — or —OCF 2 O— group;
  • R 10 and R 1 1 are each independently hydrogen, alkyl or haloalkyl
  • n, n and p each independently have the value zero, one or two;
  • the invention also encompasses any stereoisomer, enantiomer or geometric isomer, or mixture thereof, of the compounds of formula (I).
  • Suitable salts with bases include alkali metal (e.g. sodium and potassium), alkaline earth metals (e.g. calcium and magnesium), ammonium and amine (e.g. diethanolamine, triethanolamine, octylamine, morpholine and dioctylmethylamine) salts.
  • Suitable acid addition salts, e.g. formed by compounds of formula (I) containing an amino group include salts with inorganic acids, for example hydrochlorides, sulfates, phosphates and nitrates and salts with organic acids for example acetic acid.
  • alkyl, acyl and alkoxy groups are straight- or branched-chain and have from one to ten (preferably one to six) carbon atoms.
  • Cycloalkyl groups have from three to six carbon atoms in the ring and are optionally substituted by alkyl or halogen.
  • Alkenyl and alkynyl groups or portions thereof are straight- or branched-chain and have from two to eight (preferably two to four) carbon atoms.
  • halo before the name of a radical means that this radical is partially or completely halogenated, that is to say, substituted by F, Cl, Br, or I, in any combination, preferably by F or Cl.
  • halogen means F, Cl, Br or I.
  • a preferred embodiment of the invention comprises a compound of formula (I) wherein Q, R 1 and n are as defined above and R 2 is —NR 12 R 13 or —N ⁇ C(R 10 )(R 14 ), wherein:
  • R 12 and R 13 are independently selected from hydrogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, —C(O)R 15 and C(O)OR 15 ; or R 12 and R 13 are joined together to form a divalent radical having 4 to 6 atoms in the chain, this divalent radical being alkylene, alkyleneoxyalkylene or alkyleneaminoalkylene (preferably forming a morpholine, pyrrolidine, piperidine or piperazine ring);
  • R 14 is alkoxy or haloalkoxy; or is phenyl optionally substituted by alkyl, haloalkyl, hydroxy, halogen, alkoxy, —S(O) p R 8 or CN;
  • R 15 is alkenyl, haloalkenyl, alkynyl or haloalkynyl; or is alkyl optionally substituted by halogen, alkoxy, C(O)R 8 , C(O)OR 10 , CN, —S(O) p R 8 , or CONR 10 R 11 .
  • Preferred compounds of formula (1) are those in which R 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO 2 ; or pyridyl optionally substituted by halogen or haloalkyl; or —CH 2 R 7 wherein R 7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH 2 CH 2 R 7 wherein R 7 is phenyl.
  • Preferred compounds of formula (I) are those in which Q is a group (A1) wherein:
  • W is N or CR 6 ;
  • R 3 and R 6 are each independently hydrogen or halogen;
  • R 4 is hydrogen;
  • R 5 is halogen, CF 3 , OCF 3 or SF 5 ; or wherein:
  • W is N or CR 6 ; R 3 and R 6 are each independently hydrogen or halogen; R 4 is CF 3 ; and R 5 is hydrogen.
  • More preferred compounds of formula (I) are those in which Q is a group (A1) wherein:
  • W is CR 6 ;
  • R 3 is hydrogen or halogen;
  • R 6 is halogen;
  • R 4 is hydrogen;
  • R 5 is halogen, CF 3 or OCF 3 ; or wherein:
  • W is CR 6 ; R 3 is hydrogen; R 6 is halogen; R 4 is CF 3 ; and R 5 is hydrogen.
  • Preferred compounds of formula (I) are those in which R 2 is —NR 12 R 13 or —N ⁇ C(R 10 )(R 14 ).
  • R 2 is —NR 12 R 13 or —N ⁇ C(R 10 )(R 14 ), wherein R 12 is hydrogen, alkyl or —C(O)R 15 ; R 13 is hydrogen or alkyl; R 10 is hydrogen; R 14 is alkoxy; and R 15 is alkyl.
  • R 2 is —NHR 13 or —N ⁇ CH(R 14 ); wherein R 13 is hydrogen or alkyl; and R 14 is alkoxy.
  • a preferred class of compounds of formula (I) are those in which:
  • R 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO 2 ; or pyridyl optionally substituted by halogen or haloalkyl; or —CH 2 R 7 wherein R 7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH 2 CH 2 R 7 wherein R 7 is phenyl;
  • Q is a group (A1) wherein:
  • W is N or CR 6 ;
  • R 3 and R 6 are each independently hydrogen or halogen;
  • R 4 is hydrogen;
  • R 5 is halogen, CF 3 , OCF 3 or SF 5 ; or wherein:
  • W is N or CR 6 ; R 3 and R 6 are each independently hydrogen or halogen; R 4 is CF 3 ; and R 5 is hydrogen; and
  • R 2 is —NR 12 R 13 or —N ⁇ C(R 10 )(R 14 ); wherein R 12 is hydrogen, alkyl or —C(O)R 15 ; R 13 is hydrogen or alkyl; R 10 is hydrogen; R 14 is alkoxy; and R 15 is alkyl.
  • a further preferred class of compounds of formula (I) are those in which:
  • R 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO 2 ; or pyridyl optionally substituted by halogen or haloalkyl; or -CH 2 R 7 wherein R 7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH 2 CH 2 R 7 wherein R 7 is phenyl;
  • Q is a group (A1) wherein:
  • W is N or CR 6 ; R 3 and R 6 are each independently hydrogen or halogen; R 4 is hydrogen; and R 5 is halogen, CF 3 , OCF 3 or SF 5 ; or wherein:
  • W is N or CR 6 ;
  • R 3 and R 6 are each independently hydrogen or halogen;
  • R 4 is CF3; and
  • R 5 is hydrogen;
  • R 2 is —NR 12 R 13 or —N ⁇ C(R 10 )(R 14 ); wherein R 12 is hydrogen, alkyl or —C(O)R 15 ; R 13 is hydrogen or alkyl; R 10 is hydrogen; R 14 is alkoxy; and R 15 is alkyl; and
  • n 1 or 2.
  • a further preferred class of compounds of formula (I) are those in which:
  • R 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO 2 ; or pyridyl optionally substituted by halogen or haloalkyl; or —CH 2 R 7 wherein R 7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH 2 CH 2 R 7 wherein R 7 is phenyl;
  • Q is a group (A1) wherein:
  • W is CR 6 ;
  • R 3 is hydrogen or halogen;
  • R 6 is halogen;
  • R 4 is hydrogen;
  • R 5 is halogen, CF 3 or OCF 3 ; or wherein:
  • W is CR 6 ; R 3 is hydrogen; R 6 is halogen; R 4 is CF 3 ; and R 5 is hydrogen; and R 2 is —NHR 13 or —N ⁇ CH(R 14 ); wherein R 13 is hydrogen or alkyl; and R 14 is alkoxy.
  • the compounds of general formula (I) can be prepared by the application or adaptation of known methods (i.e. methods heretofore used or described in the chemical literature).
  • a reducing agent generally a hydrosilane derivative (i.e. a silane which contains one or more hydrogen atoms), preferably a trialkylsilane such as triethylsilane.
  • a hydrosilane derivative i.e. a silane which contains one or more hydrogen atoms
  • a trialkylsilane such as triethylsilane.
  • the reaction is generally performed in a chlorinated solvent such as 1,2-dichloroethane, at a temperature of from 0° to 60° C.
  • Compounds of general formula (I) wherein R 1 , R 2 and Q are defined above, and n is 1 or 2 may be prepared by oxidizing a corresponding compound in which n is 0 or 1.
  • the oxidation is generally performed using a peracid such as 3-chloroperbenzoic acid in a solvent such as dichloromethane, or with hydrogen peroxide generally in the presence of trifluoroacetic acid, at a temperature of from 0° C. to the reflux temperature of the solvent.
  • a compound of formula (I) produced by any of the above process embodiments may be converted into an agriculturally acceptable salt thereof.
  • compound of the invention as used hereinafter embraces a compound of formula (I) as defined above and a pesticidally acceptable salt thereof.
  • One aspect of the present invention as defined above is a method for the control of pests at a locus.
  • the locus includes, for example, the pest itself, the place (plant, field, forest, orchard, waterway, soil, plant product, or the like) where the pest resides or feeds, or a place susceptible to future infestation by the pest.
  • the compound of the invention may therefore be applied directly to the pest, to the place where the pest resides or feeds, or to the place susceptible to future infestation by the pest.
  • the present invention provides pesticidally active compounds and methods of use of said compounds for the control of a number of pest species which includes: arthropods, especially insects or mites, or plant nematodes.
  • the compound of the invention may thus be advantageously employed in practical uses, for example, in agricultural or horticultural crops, in forestry, in veterinary medicine or livestock husbandry, or in public health.
  • soil insects such as corn rootworm, termites (especially for protection of structures), root maggots, wireworms, root weevils, stalkborers, cutworms, root aphids, or grubs. They may also be used to provide activity against plant pathogenic nematodes, such as root-knot, cyst, dagger, lesion, or stem or bulb nematodes, or against mites.
  • plant pathogenic nematodes such as root-knot, cyst, dagger, lesion, or stem or bulb nematodes, or against mites.
  • the compounds are advantageously applied to or incorporated at an effective rate into the soil in which crops are planted or to be planted or to the seeds or growing plant roots.
  • the compounds are especially useful in the control of many insects, especially filth flies or other Dipteran pests, such as houseflies, stableflies, soldierflies, hornflies, deerflies, horseflies, midges, punkies, blackflies, or mosquitoes.
  • filth flies or other Dipteran pests such as houseflies, stableflies, soldierflies, hornflies, deerflies, horseflies, midges, punkies, blackflies, or mosquitoes.
  • compounds of the invention are useful against attack by arthropods, more especially beetles, including weevils, moths or mites, for example Ephestia spp. (flour moths), Anthrenus spp. (carpet beetles), Tribolium spp. (flour beetles), Sitophilus spp. (grain weevils) or Acarus spp. (mites).
  • Psylla spp. Bemisia spp., Trialeurodes spp., Aphis spp., Myzus spp., Megoura viciae , Phylloxera spp., Nephotettix spp. (rice leaf hoppers), Nilaparvata spp.
  • Against Diptera e.g. Musca spp. Against Thysanoptera such as Thrips tabaci .
  • Orthoptera such as Locusta and Schistocerca spp., (locusts and crickets) e.g. Gryllus spp., and Acheta spp. for example, Blatta orientalis, Periplaneta americana, Blatella germanica, Locusta migratoria migratorioides , and Schistocerca gregaria .
  • Collembola e.g. Periplaneta spp. and Blatella spp. (roaches).
  • arthropods of agricultural significance such as Acari (mites) e.g. Tetranychus spp., and Panonychus spp.
  • nematodes which attack plants or trees of importance to agriculture, forestry or horticulture either directly or by spreading bacterial, viral, mycoplasma or fungal diseases of the plants.
  • root-knot nematodes such as Meloidogyne spp. (e.g. M. incognita).
  • arthropods which are parasitic internally or externally upon vertebrates, particularly warm-blooded vertebrates, for example domestic animals, e.g. cattle, sheep, goats, equines, swine, poultry, dogs or cats, for example Acarina, including ticks (e.g. Ixodes spp., Boophilus spp. e.g. Boophilus microplus , Rhipicephalus spp. e.g. Rhipicephalus appendiculatus Ornithodorus spp. (e.g. Ornithodorus moubata ) and mites (e.g.
  • Damalinia spp. Damalinia spp.); Diptera (e.g. Aedes spp., Anopheles spp., Musca spp., Hypoderma spp.); Hemiptera; Dictyoptera (e.g. Periplaneta spp., Blatella spp.); Hymenoptera; for example against infections of the gastro-intestinal tract caused by parasitic nematode worms, for example members of the family Trichostrongylidae.
  • Diptera e.g. Aedes spp., Anopheles spp., Musca spp., Hypoderma spp.
  • Hemiptera Hemiptera
  • Dictyoptera e.g. Periplaneta spp., Blatella spp.
  • Hymenoptera for example against infections of the gastro-intestinal tract caused by parasitic nematode worms, for example members
  • a method for example, comprises applying to the plants or to the medium in which they grow a pesticidally effective amount of a compound of the invention.
  • the active compound is generally applied to the locus in which the arthropod or nematode infestation is to be controlled at an effective rate in the range of about 2 g to about 5 kg of the active compound per hectare of locus treated.
  • a lower rate may offer adequate protection.
  • adverse weather conditions, resistance of the pest or other factors may require that the active ingredient be used at higher rates.
  • an effective rate range of the active compound is from about 10 g/ha to about 400 g/ha, more preferably from about 50 g/ha to about 200 g/ha.
  • the active compound When a pest is soil-borne, the active compound, generally in a formulated composition, is distributed evenly over the area to be treated (i.e., for example broadcast or band treatment) in any convenient manner and is applied at rates from about 10 g/ha to about 400 g ai/ha, preferably from about 50 g/ha to about 200 g ai/ha.
  • the liquid solution or suspension When applied as a root dip to seedlings or drip irrigation to plants the liquid solution or suspension contains from about 0.075 to about 1000 mg ai/l, preferably from about 25 to about 200 mg ai/l.
  • Application may be made, if desired, to the field or crop-growing area generally or in close proximity to the seed or plant to be protected from attack.
  • the active component can be washed into the soil by spraying with water over the area or can be left to the natural action of rainfall.
  • the formulated compound can, if desired, be distributed mechanically in the soil, for example by ploughing, disking, or use of drag chains.
  • Application can be prior to planting, at planting, after planting but before sprouting has taken place, or after sprouting.
  • the compound of the invention and methods of control of pests therewith are of particular value in the protection of field, forage, plantation, glasshouse, orchard or vineyard crops, of ornamentals, or of plantation or forest trees, for example: cereals (such as wheat or rice), cotton, vegetables (such as peppers), field crops (such as sugar beets, soybeans or oil seed rape), grassland or forage crops (such as maize or sorghum), orchards or groves (such as of stone or pit fruit or citrus), ornamental plants, flowers or vegetables or shrubs under glass or in gardens or parks, or forest trees (both deciduous and evergreen) in forests, plantations or nurseries. They are also valuable in the protection of timber (standing, felled, converted, stored or structural) from attack, for example, by sawflies or beetles or termites.
  • the compound of the invention and methods of use thereof are of particular value in the control of arthropods or helminths which are injurious to, or spread or act as vectors of diseases in domestic animals, for example those hereinbefore mentioned, and more especially in the control of ticks, mites, lice, fleas, midges, or biting, nuisance or myiasis flies.
  • the compounds of the invention are particularly useful in controlling arthropods or helminths which are present inside domestic host animals or which feed in or on the skin or suck the blood of the animal, for which purpose they may be administered orally, parenterally, percutaneously or topically.
  • compositions hereinafter described for application to growing crops or crop growing loci or as a seed dressing may, in general, alternatively be employed in the protection of stored products, household goods, property or areas of the general environment.
  • Suitable means of applying the compounds of the invention include: to growing crops as foliar sprays (for example as an in-furrow spray), dusts, granules, fogs or foams or also as suspensions of finely divided or encapsulated compositions as soil or root treatments by liquid drenches, dusts, granules, smokes or foams; to seeds of crops via application as seed dressings by liquid slurries or dusts; to animals infested by or exposed to infestation by arthropods or helminths, by parenteral, oral or topical application of compositions in which the active ingredient exhibits an immediate and/or prolonged action over a period of time against the arthropods or helminths, for example by incorporation in feed or suitable orally-ingestible pharmaceutical formulations, edible baits, salt licks, dietary supplements, pour-on formulations, sprays, baths, dips, showers, jets, dusts, greases, shampoos, creams, wax smears or livestock self-
  • a pesticidal composition comprising one or more compounds of the invention as defined above, in a pesticidally effective amount, in association with, and preferably homogeneously dispersed in one or more compatible agriculturally acceptable diluents or carriers and/or surface active agents (i.e., diluents or carriers and/or surface active agents of the type generally accepted in the art as being suitable for use in herbicidal compositions and which are compatible with compounds of the invention).
  • diluents or carriers and/or surface active agents i.e., diluents or carriers and/or surface active agents of the type generally accepted in the art as being suitable for use in herbicidal compositions and which are compatible with compounds of the invention.
  • compositions can be employed to control arthropods, especially insects, or plant nematodes or mites.
  • the compositions may be of any type known in the art suitable for application to the desired pest in any premises or indoor or outdoor area.
  • These compositions contain at least one compound of the invention as the active ingredient, in a pesticidally effective amount, in combination or association with one or more other compatible components which are for example, solid or liquid carriers or diluents, adjuvants, surface-active agents, or the like appropriate for the intended use and which are agronomically or medicinally acceptable.
  • These compositions which may be prepared by any manner known in the art, likewise form a part of this invention.
  • compositions may also contain other kinds of ingredients such as protective colloids, adhesives, thickeners, thixotropic agents, penetrating agents, spray oils (especially for acaridical use), stabilizers, preservative agents (especially mold preservatives), sequestering agents, or the like, as well as other known active ingredients with pesticidal properties (particularly insecticidal, miticidal, nematicidal, or fungicidal) or with properties regulating the growth of plants. More generally, the compounds employed in the invention may be combined with all the solid or liquid additives corresponding to the usual techniques of formulation.
  • Examples of other pesticidally-active compounds which may be included in, or used in conjunction with the compositions of the present invention are: acephate, chlorpyrifos, demeton-S-methyl, disulfoton, ethoprofos, fenitrothion, fenamiphos, fonofos, isazophos, isofenphos, malathion, monocrotophos, parathion, phorate, phosalone, pirimiphos-methyl, terbufos, triazophos, cyfluthrin, cypermethrin, deltamethrin, fenpropathrin, fenvalerate, permethrin, tefluthrin, aldicarb, carbosulfan, methomyl, oxamyl, pirimicarb, bendiocarb, teflubenzuron, dicofol, endosulfan, lindane,
  • compositions suitable for applications in agriculture, horticulture, or the like include formulations suitable for use as, for example, sprays, dusts, granules, fogs, foams, emulsions, or the like.
  • compositions according to the invention usually contain about 0.05 to about 95% (by weight) of one or more active ingredients according to the invention, about 1 to about 95% of one or more solid or liquid carriers and, optionally, about 0.1 to about 50% of one or more other compatible components, such as surface-active agents or the like.
  • carrier denotes an organic or inorganic ingredient, natural or synthetic, with which the active ingredient is combined to facilitate its application, for example, to the plant, to seeds or to the soil.
  • This carrier is therefore generally inert and it must be acceptable (for example, agronomically acceptable, particularly to the treated plant).
  • the carrier may be a solid, for example, clays, natural or synthetic silicates, silica, resins, waxes, solid fertilizers (for example ammonium salts), ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite, bentonite or diatomaceous earth, or ground synthetic minerals, such as silica, alumina, or silicates, especially aluminum or magnesium silicates.
  • solid carriers for granules the following are suitable: crushed or fractionated natural rocks such as calcite, marble, pumice, sepiolite and dolomite; synthetic granules of inorganic or organic meals; granules of organic material such as sawdust, coconut shells, corn cobs, corn husks or tobacco stalks; kieselguhr, tricalcium phosphate, powdered cork, or absorbent carbon black; water soluble polymers, resins, waxes; or solid fertilizers.
  • Such solid compositions may, if desired, contain one or more compatible wetting, dispersing, emulsifying or coloring agents which, when solid, may also serve as a diluent.
  • the carrier may also be liquid, for example: water; alcohols, particularly butanol or glycol, as well as their ethers or esters, particularly methylglycol acetate; ketones, particularly acetone, cyclohexanone, methylethyl ketone, methylisobutylketone, or isophorone; petroleum fractions such as paraffmic or aromatic hydrocarbons, particularly xylenes or alkyl naphthalenes; mineral or vegetable oils; aliphatic chlorinated hydrocarbons, particularly trichloroethane or methylene chloride; aromatic chlorinated hydrocarbons, particularly chlorobenzenes; water-soluble or strongly polar solvents such as dimethylformamide, dimethyl sulfoxide, or N-methylpyrrolidone; liquefied gases; or the like or a mixture thereof.
  • the surface-active agent may be an emulsifying agent, dispersing agent or wetting agent of the ionic or non-ionic type or a mixture of such surface-active agents.
  • these are e.g., salts of polyacrylic acids, salts of lignosulfonic acids, salts of phenolsulfonic or naphthalenesulfonic acids, polycondensates of ethylene oxide with fatty alcohols or fatty acids or fatty esters or fatty amines, substituted phenols (particularly alkylphenols or arylphenols), salts of sulfosuccinic acid esters, taurine derivatives (particularly alkyltaurates), phosphoric esters of alcohols or of polycondensates of ethylene oxide with phenols, esters of fatty acids with polyols, or sulfate, sulfonate or phosphate functional derivatives of the above compounds.
  • the presence of at least one surface-active agent is generally essential when the
  • compositions of the invention may further contain other additives such as adhesives or colorants.
  • Adhesives such as carboxymethylcellulose or natural or synthetic polymers in the form of powders, granules or lattices, such as arabic gum, polyvinyl alcohol or polyvinyl acetate, natural phospholipids, such as cephalins or lecithins, or synthetic phospholipids can be used in the formulations.
  • colorants such as inorganic pigments, for example: iron oxides, titanium oxides or Prussian Blue; organic dyestuffs, such as alizarin dyestuffs, azo dyestuffs or metal phthalocyanine dyestuffs; or trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum or zinc.
  • inorganic pigments for example: iron oxides, titanium oxides or Prussian Blue
  • organic dyestuffs such as alizarin dyestuffs, azo dyestuffs or metal phthalocyanine dyestuffs
  • trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum or zinc.
  • the compounds of the invention are therefore generally in the form of compositions, which are in various solid or liquid forms.
  • compositions which can be used are dusting powders (with a content of the compound of the invention ranging up to 80%), wettable powders or granules (including water dispersible granules), particularly those obtained by extrusion, compacting, impregnation of a granular carrier, or granulation starting from a powder (the content of the compound of the invention in these wettable powders or granules being between about 0.5 and about 80%).
  • Solid homogenous or heterogenous compositions containing one or more compounds of the invention for example granules, pellets, briquettes or capsules, may be used to treat standing or running water over a period of time. A similar effect may be achieved using trickle or intermittent feeds of water dispersible concentrates as described herein.
  • Liquid compositions include aqueous or non-aqueous solutions or suspensions (such as emulsifiable concentrates, emulsions, flowables, dispersions, or solutions) or aerosols.
  • Liquid compositions include, in particular, emulsifiable concentrates, dispersions, emulsions, flowables, aerosols, wettable powders (or powder for spraying), dry flowables or pastes as forms of compositions which are liquid or intended to form liquid compositions when applied, for example as aqueous sprays (including low and ultra-low volume) or as fogs or aerosols.
  • Liquid compositions for example, in the form of emulsifiable or soluble concentrates most frequently comprise about 5 to about 80% by weight of the active ingredient, while the emulsions or solutions which are ready for application contain, in their case, about 0.01 to about 20% of the active ingredient.
  • the emulsifiable or soluble concentrates may contain, when required, about 2 to about 50% of suitable additives, such as stabilizers, surface-active agents, penetrating agents, corrosion inhibitors, colorants or adhesives.
  • Emulsions of any required concentration which are particularly suitable for application, for example, to plants, may be obtained from these concentrates by dilution with water.
  • the emulsions may be in the form of water-in-oil or oil-in-water type and they may have a thick consistency.
  • liquid compositions of this invention may, in addition to normal agricultural use applications, be used for example to treat substrates or sites infested or liable to infestation by arthropods (or other pests controlled by compounds of this invention) including premises, outdoor or indoor storage or processing areas, containers or equipment or standing or running water.
  • All these aqueous dispersions or emulsions or spraying mixtures can be applied, for example, to crops by any suitable means, chiefly by spraying, at rates which are generally of the order of about 100 to about 1,200 liters of spraying mixture per hectare, but may be higher or lower (e.g., low or ultra-low volume) depending upon the need or application technique.
  • the compound or compositions according to the invention are conveniently applied to vegetation and in particular to roots or leaves having pests to be eliminated.
  • Another method of application of the compounds or compositions according to the invention is by chemigation, that is to say, the addition of a formulation containing the active ingredient to irrigation water.
  • This irrigation may be sprinkler irrigation for foliar pesticides or it can be ground irrigation or underground irrigation for soil or for systemic pesticides.
  • the concentrated suspensions which can be applied by spraying, are prepared so as to produce a stable fluid product which does not settle (fine grinding) and usually contain from about 10 to about 75% by weight of active ingredient, from about 0.5 to about 30% of surface-active agents, from about 0.1 to about 10% of thixotropic agents, from about 0 to about 30% of suitable additives, such as anti-foaming agents, corrosion inhibitors, stabilizers, penetrating agents, adhesives and, as the carrier, water or an organic liquid in which the active ingredient is poorly soluble or insoluble. Some organic solids or inorganic salts may be dissolved in the carrier to help prevent settling or as antifreezes for water.
  • the wettable powers are usually prepared so that they contain from about 10 to about 80% by weight of active ingredient, from about 20 to about 90% of a solid carrier, from about 0 to about 5% of a wetting agent, from about 3 to about 10% of a dispersing agent and, when necessary, from about 0 to about 80% of one or more stabilizers and/or other additives, such as penetrating agents, adhesives, anti-caking agents, colorants, or the like.
  • the active ingredient is thoroughly mixed in a suitable blender with additional substances which may be impregnated on the porous filler and is ground using a mill or other suitable grinder. This produces wettable powders, the wettability and the suspendability of which are advantageous. They may be suspended in water to give any desired concentration and this suspension can be employed very advantageously in particular for application to plant foliage.
  • the “water dispersible granules (WG)” (granules which are readily dispersible in water) have compositions which are substantially close to that of the wettable powders. They may be prepared by granulation of formulations described for the wettable powders, either by a wet route (contacting finely divided active ingredient with the inert filler and a little water, e.g. 1 to 20% by weight, or with an aqueous solution of a dispersing agent or binder, followed by drying and screening), or by a dry route (compacting followed by grinding and screening).
  • WG water dispersible granules
  • compositions for application to control arthropod or plant nematode pests usually contain from about 0.00001% to about 95%, more particularly from about 0.0005% to about 50% by weight of one or more compounds of the invention, or of total active ingredients (that is to say the compounds of the invention, together with other substances toxic to arthropods or plant nematodes, synergists, trace elements or stabilizers).
  • total active ingredients that is to say the compounds of the invention, together with other substances toxic to arthropods or plant nematodes, synergists, trace elements or stabilizers.
  • the actual compositions employed and their rate of application will be selected to achieve the desired effect(s) by the farmer, livestock producer, medical or veterinary practitioner, pest control operator or other person skilled in the art.
  • Solid or liquid compositions for application topically to animals, timber, stored products or household goods usually contain from about 0.00005% to about 90%, more particularly from about 0.001% to about 10%, by weight of one or more compounds of the invention.
  • these normally contain from about 0.1% to about 90% by weight of one or more compounds of the invention.
  • Medicated feedstuffs normally contain from about 0.001% to about 3% by weight of one or more compounds of the invention.
  • Concentrates or supplements for mixing with feedstuffs normally contain from about 5% to about 90%, preferably from about 5% to about 50%, by weight of one or more compounds of the invention.
  • Mineral salt licks normally contain from about 0.1% to about 10% by weight of one or more compounds of formula (I) or pesticidally acceptable salts thereof.
  • Dusts or liquid compositions for application to livestock, goods, premises or outdoor areas may contain from about 0.0001% to about 15%, more especially from about 0.005% to about 2.0%, by weight, of one or more compounds of the invention. Suitable concentrations in treated waters are between about 0.0001 ppm and about 20 ppm, more particularly about 0.001 ppm to about 5.0 ppm of one or more compounds of the invention, and may be used therapeutically in fish farming with appropriate exposure times.
  • Edible baits may contain from about 0.01% to about 5%, preferably from about 0.01% to about 1.0%, by weight, of one or more compounds of the invention.
  • the dosage of compounds of the invention will depend upon the species, age, or health of the vertebrate and upon the nature and degree of its actual or potential infestation by arthropod or helminth pests.
  • a single dose of about 0.1 to about 100 mg, preferably about 2.0 to about 20.0 mg, per kg body weight of the animal or doses of about 0.01 to about 20.0 mg, preferably about 0.1 to about 5.0 mg, per kg body weight of the animal per day, for sustained medication are generally suitable by oral or parenteral administration.
  • sustained release formulations or devices the daily doses required over a period of months may be combined and administered to animals on a single occasion.
  • composition EXAMPLES 2A-2M illustrate compositions for use against arthropods, especially mites or insects, or plant nematodes, which comprise, as active ingredient, compounds of the invention, such as those described in the preparative examples.
  • the compositions described in EXAMPLES 2A-2M can each be diluted to give a sprayable composition at concentrations suitable for use in the field.
  • a water soluble concentrate is prepared with the composition as follows: Active ingredient 7% Ethylan BCP 10% N-methylpyrrolidone 83%
  • An emulsifiable concentrate is prepared with the composition as follows: Active ingredient 25% (max) Soprophor BSU 10% Arylan CA 5% N-methylpyrrolidone 50% Solvesso 150 10%
  • a wettable powder is prepared with the composition as follows: Active ingredient 40% Arylan S 2% Darvan NO 2 5% Celite PF 53%
  • the ingredients are mixed and ground in a hammer-mill to a powder with a particle size of less than 50 microns.
  • An aqueous-flowable formulation is prepared with the composition as follows: Active ingredient 40.00% Ethylan BCP 1.00% Sopropon T360 0.20% Ethylene glycol 5.00% Rhodigel 230 0.15% Water 53.65%
  • the ingredients are intimately mixed and are ground in a bead mill until a mean particle size of less than 3 microns is obtained.
  • An emulsifiable suspension concentrate is prepared with the composition as follows: Active ingredient 30.0% Ethylan BCP 10.0% Bentone 38 0.5% Solvesso 150 59.5%
  • the ingredients are intimately mixed and ground in a beadmill until a mean particle size of less than 3 microns is obtained.
  • a water dispersible granule is prepared with the composition as follows: Active ingredient 30% Darvan No 2 15% Arylan S 8% Celite PF 47%
  • the ingredients are mixed, micronized in a fluid-energy mill and then granulated in a rotating pelletizer by spraying with water (up to 10%). The resulting granules are dried in a fluid-bed drier to remove excess water.
  • a dusting powder is prepared with the composition as follows: Active ingredient 1 to 10% Talc powder-superfine 99 to 90%
  • the ingredients are intimately mixed and further ground as necessary to achieve a fine powder.
  • This powder may be applied to a locus of arthropod infestation, for example refuse dumps, stored products or household goods or animals infested by, or at risk of infestation by, arthropods to control the arthropods by oral ingestion.
  • Suitable means for distributing the dusting powder to the locus of arthropod infestation include mechanical blowers, handshakers or livestock self treatment devices.
  • An edible bait is prepared with the composition as follows: Active ingredient 0.1 to 1.0% Wheat flour 80% Molasses 19.9 to 19%
  • the ingredients are intimately mixed and formed as required into a bait form.
  • This edible bait may be distributed at a locus, for example domestic or industrial premises, e.g. kitchens, hospitals or stores, or outdoor areas, infested by arthropods, for example ants, locusts, cockroaches or flies, to control the arthropods by oral ingestion.
  • a solution formulation is prepared with a composition as follows: Active ingredient 15% Dimethyl sulfoxide 85%
  • the active ingredient is dissolved in dimethyl sulfoxide with mixing and/or heating as required.
  • This solution may be applied percutaneously as a pour-on application to domestic animals infested by arthropods or, after sterilization by filtration through a polytetrafluoroethylene membrane (0.22 micrometer pore size), by parenteral injection, at a rate of application of from 1.2 to 12 ml of solution per 100 kg of animal body weight.
  • a wettable powder is prepared with the composition as follows: Active ingredient 50% Ethylan BCP 5% Aerosil 5% Celite PF 40%
  • the Ethylan BCP is absorbed onto the Aerosil which is then mixed with the other ingredients and ground in a hammer-mill to give a wettable powder, which may be diluted with water to a concentration of from 0.001% to 2% by weight of the active compound and applied to a locus of infestation by arthropods, for example, dipterous larvae or plant nematodes, by spraying, or to domestic animals infested by, or at risk of infection by arthropods, by spraying or dipping, or by oral administration in drinking water, to control the arthropods.
  • arthropods for example, dipterous larvae or plant nematodes
  • a slow release bolus composition is formed from granules containing the following components in varying percentages(similar to those described for the previous compositions) depending upon need:
  • the intimately mixed ingredients are formed into granules which are compressed into a bolus with a specific gravity of 2 or more. This can be administered orally to ruminant domestic animals for retention within the reticulorumen to give a continual slow release of active compound over an extended period of time to control infestation of the ruminant domestic animals by arthropods.
  • a slow release composition in the form of granules, pellets, brickettes or the like can be prepared with compositions as follows:
  • the components are blended and then formed into suitable shapes by melt-extrusion or molding. These composition are useful, for example, for addition to standing water or for fabrication into collars or eartags for attachment to domestic animals to control pests by slow release.
  • a water dispersible granule is prepared with the composition as follows: Active ingredient 85% (max) Polyvinylpyrrolidone 5% Attapulgite clay 6% Sodium lauryl sulfate 2% Glycerine 2%
  • the ingredients are mixed as a 45% slurry with water and wet milled to a particle size of 4 microns, then spray-dried to remove water.
  • Infected roots of tomato plants containing egg masses of Southern root-knot nematode ( Meloidogyne incognita ), were removed from a stock culture and cleaned of soil, and the nematode eggs separated from the root tissue and rinsed with water. Samples of the egg suspension were placed on a fine screen over a receiving bowl, in which the water level was adjusted to be in contact with the screen. From the bowl, juveniles were collected on a fine screen.
  • Southern root-knot nematode Meloidogyne incognita
  • Soil having 0-1% moisture content was placed in a cup.
  • a stock solution of the test compounds in dimethylsulfoxide was prepared and diluted with water and the solutions thus obtained were applied to the soil at the rates of 250, 500 and 1000 g/ha. After 12-24 hours cucumber seeds were added and the soil and seeds mixed.
  • An aqueous suspension of Meloidogyne incognita of approximately 300 second stage juveniles (J2) or approximately 2500 eggs was added to the soil.
  • the cup was covered with a vented lid and maintained at 27° C. and 80% relative humidity with a 14 hour photoperiod.
  • Method C Aedes aegyptii Test
  • Aqueous solution of Aedes aegyptii larvae were added to solutions containing known amounts of the test compounds in water containing ⁇ 10% of dimethylsulfoxide and kept at 20° C. for 24 hours.
  • the containers were tapped gently to stimulate the larval swimming response, and where little response to stimuli was observed the time since treatment was recorded.
  • the following compounds gave a score of 3 or more at a concentration of 100 ppm or less:
  • Method D Musca domestica Test
  • Aqueous sugar solutions (40%) were added to samples of known amounts of test compounds in dimethylsulfoxide solutions.
  • Musca domestica pupae were then added to each sample and kept until the flies had emerged.

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Abstract

The invention relates to 4-thiomethylpyrazole compounds of formula (I):
Figure US20010053854A1-20011220-C00001
wherein R1, R2, Q and n are as defined in the description, and to their use as pesticides.

Description

    CROSS-REFERENCE TO RELATED APPLICATION
  • This application claims benefit of U.S. Provisional Patent Application No. 60/186,313, filed Mar. 2, 2000, incorporated by reference herein in its entirety and relied upon.[0001]
  • BACKGROUND OF THE INVENTION
  • 1. Field of the Invention [0002]
  • The invention relates to new 4-thiomethylpyrazole compounds, related compounds, compositions containing them, processes for their preparation, and their use for the control of arthropod pests (especially insects) and nematodes. [0003]
  • 2. Description of the Related Art [0004]
  • Pesticidal N-arylpyrazoles are described in the art, for example, in EP 0234119, EP 0511845, EP 0352944 and EP 0295117. [0005]
  • SUMMARY OF THE INVENTION
  • The present invention provides a compound of formula (I): [0006]
    Figure US20010053854A1-20011220-C00002
  • wherein: [0007]
  • Q is a group (A1) or (A2): [0008]
    Figure US20010053854A1-20011220-C00003
  • W is N or CR[0009] 6;
  • —X[0010] 1—X2—X3— is —CF2CF2O—, —CF2OCF2— or —OCF2O—;
  • R[0011] 1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkylalkyl or —(CH2)mR7; or is naphthyl optionally substituted by alkyl, haloalkyl, halogen, NO2, alkoxy, haloalkoxy or R8S(O)p;
  • R[0012] 2 is hydrogen, halogen or optionally substituted amino;
  • R[0013] 3 and R6 are each independently hydrogen or halogen;
  • R[0014] 4 is hydrogen or haloalkyl;
  • R[0015] 5 is hydrogen, halogen, haloalkyl, haloalkoxy, —S(O)pCF3 or SF5;
  • R[0016] 7 is phenyl or a five to seven membered heteroaromatic ring having from one to four heteroatoms which are the same or different selected from nitrogen, oxygen and sulfur, which ring is optionally substituted by R9;
  • R[0017] 8 is alkyl or haloalkyl;
  • R[0018] 9 is alkyl, haloalkyl, halogen, CN, NO2, R10O, R8S(O)p, C(O)R8, C(O)OR10 or NR10R11; or when R7 is phenyl two adjacent R9 groups together form a —CF2OCF2— or —OCF2O— group;
  • R[0019] 10 and R1 1 are each independently hydrogen, alkyl or haloalkyl; and
  • m, n and p each independently have the value zero, one or two; [0020]
  • or an agriculturally acceptable salt thereof. [0021]
  • The compounds of formula (I) and the agriculturally acceptable salts thereof as defined above possess valuable pesticidal properties. The compounds of the invention show improved pesticidal activity in comparison with known compounds. [0022]
  • The invention also encompasses any stereoisomer, enantiomer or geometric isomer, or mixture thereof, of the compounds of formula (I). [0023]
  • By the term “agriculturally acceptable salts” is meant salts the cations or anions of which are known and accepted in the art for the formation of salts for agricultural or horticultural use. Suitable salts with bases include alkali metal (e.g. sodium and potassium), alkaline earth metals (e.g. calcium and magnesium), ammonium and amine (e.g. diethanolamine, triethanolamine, octylamine, morpholine and dioctylmethylamine) salts. Suitable acid addition salts, e.g. formed by compounds of formula (I) containing an amino group, include salts with inorganic acids, for example hydrochlorides, sulfates, phosphates and nitrates and salts with organic acids for example acetic acid. [0024]
  • DETAILED DESCRIPTION OF THE INVENTION
  • Unless otherwise specified, alkyl, acyl and alkoxy groups (or portions thereof) are straight- or branched-chain and have from one to ten (preferably one to six) carbon atoms. [0025]
  • Cycloalkyl groups have from three to six carbon atoms in the ring and are optionally substituted by alkyl or halogen. [0026]
  • Alkenyl and alkynyl groups or portions thereof are straight- or branched-chain and have from two to eight (preferably two to four) carbon atoms. [0027]
  • The term “halo” before the name of a radical means that this radical is partially or completely halogenated, that is to say, substituted by F, Cl, Br, or I, in any combination, preferably by F or Cl. The term “halogen” means F, Cl, Br or I. [0028]
  • A preferred embodiment of the invention comprises a compound of formula (I) wherein Q, R[0029] 1 and n are as defined above and R2 is —NR12R13 or —N═C(R10)(R14), wherein:
  • R[0030] 12 and R13 are independently selected from hydrogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, —C(O)R15 and C(O)OR15; or R12 and R13 are joined together to form a divalent radical having 4 to 6 atoms in the chain, this divalent radical being alkylene, alkyleneoxyalkylene or alkyleneaminoalkylene (preferably forming a morpholine, pyrrolidine, piperidine or piperazine ring);
  • R[0031] 14 is alkoxy or haloalkoxy; or is phenyl optionally substituted by alkyl, haloalkyl, hydroxy, halogen, alkoxy, —S(O)pR8 or CN;
  • R[0032] 15 is alkenyl, haloalkenyl, alkynyl or haloalkynyl; or is alkyl optionally substituted by halogen, alkoxy, C(O)R8, C(O)OR10, CN, —S(O)pR8, or CONR10R11.
  • Preferred compounds of formula (1) are those in which R[0033] 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or pyridyl optionally substituted by halogen or haloalkyl; or —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH2CH2R7 wherein R7 is phenyl.
  • Preferred compounds of formula (I) are those in which Q is a group (A1) wherein: [0034]
  • W is N or CR[0035] 6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
  • W is N or CR[0036] 6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
  • More preferred compounds of formula (I) are those in which Q is a group (A1) wherein: [0037]
  • W is CR[0038] 6; R3 is hydrogen or halogen; R6 is halogen; R4 is hydrogen; and R5 is halogen, CF3 or OCF3; or wherein:
  • W is CR[0039] 6; R3 is hydrogen; R6 is halogen; R4 is CF3; and R5 is hydrogen.
  • Preferred compounds of formula (I) are those in which R[0040] 2 is —NR12R13 or —N═C(R10)(R14).
  • More preferred compounds are those in which R[0041] 2 is —NR12R13 or —N═C(R10)(R14), wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
  • Yet more preferred compounds are those in which R[0042] 2 is —NHR13 or —N═CH(R14); wherein R13 is hydrogen or alkyl; and R14 is alkoxy.
  • Compounds in which R[0043] 2 is amino are most preferred.
  • Compounds in which n is 1 or 2 are also preferred. [0044]
  • A preferred class of compounds of formula (I) are those in which: [0045]
  • R[0046] 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or pyridyl optionally substituted by halogen or haloalkyl; or —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH2CH2R7 wherein R7 is phenyl;
  • Q is a group (A1) wherein: [0047]
  • W is N or CR[0048] 6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
  • W is N or CR[0049] 6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen; and
  • R[0050] 2 is —NR12R13 or —N═C(R10)(R14); wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
  • A further preferred class of compounds of formula (I) are those in which: [0051]
  • R[0052] 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or pyridyl optionally substituted by halogen or haloalkyl; or -CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH2CH2R7 wherein R7 is phenyl;
  • Q is a group (A1) wherein: [0053]
  • W is N or CR[0054] 6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
  • W is N or CR[0055] 6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen;
  • R[0056] 2 is —NR12R13 or —N═C(R10)(R14); wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl; and
  • n is 1 or 2. [0057]
  • A further preferred class of compounds of formula (I) are those in which: [0058]
  • R[0059] 1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or pyridyl optionally substituted by halogen or haloalkyl; or —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or —CH2CH2R7 wherein R7 is phenyl;
  • Q is a group (A1) wherein: [0060]
  • W is CR[0061] 6; R3 is hydrogen or halogen; R6 is halogen; R4 is hydrogen; and R5 is halogen, CF3 or OCF3; or wherein:
  • W is CR[0062] 6; R3 is hydrogen; R6 is halogen; R4 is CF3; and R5 is hydrogen; and R2 is —NHR13 or —N═CH(R14); wherein R13 is hydrogen or alkyl; and R14 is alkoxy.
  • METHODS OR PROCESSES OF SYNTHESIS
  • The compounds of general formula (I) can be prepared by the application or adaptation of known methods (i.e. methods heretofore used or described in the chemical literature). [0063]
  • Compounds of general formula (I) wherein R[0064] 1, R2 and Q are defined above and n is zero may be prepared by the reaction of a compound of formula (II):
    Figure US20010053854A1-20011220-C00004
  • wherein R[0065] 2 and Q are defined above, with a thiol of formula (III):
  • R1SH  (III)
  • wherein R[0066] 1 is as defined above, in the presence of a Lewis acid, preferably boron trifluoride etherate, to give a hemithioacetal intermediate of formula (IV):
    Figure US20010053854A1-20011220-C00005
  • which is not generally isolated, and is treated in situ with a reducing agent generally a hydrosilane derivative (i.e. a silane which contains one or more hydrogen atoms), preferably a trialkylsilane such as triethylsilane. The reaction is generally performed in a chlorinated solvent such as 1,2-dichloroethane, at a temperature of from 0° to 60° C. [0067]
  • Compounds of general formula (I) wherein R[0068] 1, R2 and Q are defined above, and n is 1 or 2 may be prepared by oxidizing a corresponding compound in which n is 0 or 1. The oxidation is generally performed using a peracid such as 3-chloroperbenzoic acid in a solvent such as dichloromethane, or with hydrogen peroxide generally in the presence of trifluoroacetic acid, at a temperature of from 0° C. to the reflux temperature of the solvent.
  • These processes are also an object of the invention. [0069]
  • Compounds of general formula (I) wherein R[0070] 1, Q and n are as defined above, and R2 is as defined above with the exclusion of amino, may be prepared from the corresponding compounds in which R2 is amino by the application of known methods for example as described in European Patent Publication Numbers 0234119, 511845, 352944 and 295117.
  • If desired, a compound of formula (I) produced by any of the above process embodiments may be converted into an agriculturally acceptable salt thereof. [0071]
  • Intermediates of formula (II) wherein R[0072] 2 is amino are known or may be prepared by known methods, for example by the Vilsmeier formylation of compounds of formula (V):
    Figure US20010053854A1-20011220-C00006
  • using phosphoryl chloride and N,N-dimethylformamide at a temperature of from 0° to 50° C. to give a compound of formula (VI): [0073]
    Figure US20010053854A1-20011220-C00007
  • which is hydrolyzed, generally under acidic conditions, for example using hydrochloric acid, in a solvent such as tetrahydrofuran at a temperature of from 0° to 100° C. [0074]
  • Intermediates of formulas (III) and (V) are known or may be prepared by known methods. [0075]
  • The invention is illustrated by the following non-limiting examples, and in the tables it will be understood that ‘Me’ means methyl, ‘Et’ means ethyl, ‘i-Pr’ means isopropyl, ‘t-Bu’ means tert butyl, and ‘Ph’ means phenyl.[0076]
  • EXAMPLE 1
  • 2-Methylbutanethiol (0.327 mmol) was added to a solution of 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-formylpyrazole (0.297 mmol) in 1,2-dichloroethane. A solution of boron trifluoride etherate (2.0 ml of a 3.75% (v/v) solution in 1,2-dichloroethane), then triethylsilane (1.0 ml of a 7.08% (v/v) solution in 1,2-dichloroethane) was added and the mixture stirred at 20° C. overnight. The mixture was evaporated, redissolved in N,N-dimethylformamide and purified by LC/MS using a methanol/water gradient to give 5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-(2-methylbutylthiomethyl)pyrazole (Compound 1, 0.15 mmol), MS 437. [0077]
  • By proceeding in a similar manner the following compounds of formula (I), shown in Table 1 in which R[0078] 2 is amino and n is zero were also prepared.
    TABLE 1
    Cpd No. R1 Q MS
    2 methyl 2,6-Cl2-4-CF3 Ph 381
    3 cyclopentyl 2,6-Cl2-4-CF3 Ph 435
    4 cyclohexyl 2,6-Cl2-4-CF3 Ph 449
    5 1,1-Me2-propyl 2,6-Cl2-4-CF3 Ph 437
    6 isopropyl 2,6-Cl2-4-CF3 Ph 409
    7 1-Me-propyl 2,6-Cl2-4-CF3 Ph 423
    8 benzyl 2,6-Cl2-4-CF3 Ph 457
    9 3-Me-butyl 2,6-Cl2-4-CF3 Ph 437
    10 4-Cl benzyl 2,6-Cl2-4-CF3 Ph 491
    11 4-OMe benzyl 2,6-Cl2-4-CF3 Ph 487
    12 2-Me-propyl 2,6-Cl2-4-CF3 Ph 423
    13 ethyl 2,6-Cl2-4-CF3 Ph 395
    14 propyl 2,6-Cl2-4-CF3 Ph 409
    15 3-Cl-propyl 2,6-Cl2-4-CF3 Ph 443
    16 butyl 2,6-Cl2-4-CF3 Ph 423
    17 pentyl 2,6-Cl2-4-CF3 Ph 437
    18 4-Me benzyl 2,6-Cl2-4-CF3 Ph 471
    19 4-t-butyl benzyl 2,6-Cl2-4-CF3 Ph 513
    20 CH2CF3 2,6-Cl2-4-CF3 Ph 449
    21 CH2CHCl2 2,6-Cl2-4-CF3 Ph 464
    22 2-naphthyl 2,6-Cl2-4-CF3 Ph 493
    23 Ph 2,6-Cl2-4-CF3 Ph 443
    24 2,5-Cl2 Ph 2,6-Cl2-4-CF3 Ph 512
    25 2-OMe Ph 2,6-Cl2-4-CF3 Ph 473
    26 2-i-Pr Ph 2,6-Cl2-4-CF3 Ph 485
    27 2-Me Ph 2,6-Cl2-4-CF3 Ph 457
    28 3,4-Cl2 Ph 2,6-Cl2-4-CF3 Ph 512
    29 3-Me Ph 2,6-Cl2-4-CF3 Ph 457
    30 4-Br Ph 2,6-Cl2-4-CF3 Ph 522
    31 4-OMe Ph 2,6-Cl2-4-CF3 Ph 473
    32 4-pyridyl 2,6-Cl2-4-CF3 Ph 444
    33 4-NO2 Ph 2,6-Cl2-4-CF3 Ph 488
    34 4-t-butyl Ph 2,6-Cl2-4-CF3 Ph 499
    35 3-CF3 Ph 2,6-Cl2-4-CF3 Ph 511
    36 4-OCF3 Ph 2,6-Cl2-4-CF3 Ph 527
    37 2-OCF3 Ph 2,6-Cl2-4-CF3 Ph 527
    38 3,4-(OMe)2 Ph 2,6-Cl2-4-CF3 Ph 503
    39 2,4,6-Cl3 Ph 2,6-Cl2-4-CF3 Ph 546
    40 3-Cl-5-CF3-pyrid-2-yl 2,6-Cl2-4-CF3 Ph 546
    41 cyclopentyl 2,6-Cl2-4-OCF3 Ph 451
    42 cyclohexyl 2,6-Cl2-4-OCF3 Ph 465
    43 1,1-Me2-propyl 2,6-Cl2-4-OCF3 Ph 453
    44 isopropyl 2,6-Cl2-4-OCF3 Ph 425
    45 1-Me-propyl 2,6-Cl2-4-OCF3 Ph 439
    46 3-Me-butyl 2,6-Cl2-4-OCF3 Ph 453
    47 4-Cl benzyl 2,6-Cl2-4-OCF3 Ph 507
    48 4-OMe benzyl 2,6-Cl2-4-OCF3 Ph 503
    49 2-Me-propyl 2,6-Cl2-4-OCF3 Ph 439
    50 2-Me-butyl 2,6-Cl2-4-OCF3 Ph 453
    51 ethyl 2,6-Cl2-4-OCF3 Ph 411
    52 propyl 2,6-Cl2-4-OCF3 Ph 425
    53 3-Cl-propyl 2,6-Cl2-4-OCF3 Ph 459
    54 butyl 2,6-Cl2-4-OCF3 Ph 439
    55 4-t-butyl benzyl 2,6-Cl2-4-OCF3 Ph 529
    56 CH2CF3 2,6-Cl2-4-OCF3 Ph 465
    57 CH2CHCl2 2,6-Cl2-4-OCF3 Ph 480
    58 2-naphthyl 2,6-Cl2-4-OCF3 Ph 509
    59 Ph 2,6-Cl2-4-OCF3 Ph 459
    60 2,5-Cl2 Ph 2,6-Cl2-4-OCF3 Ph 528
    61 2-OMe Ph 2,6-Cl2-4-OCF3 Ph 489
    62 2-Me Ph 2,6-Cl2-4-OCF3 Ph 473
    63 3,4-Cl2 Ph 2,6-Cl2-4-OCF3 Ph 528
    64 3-Me Ph 2,6-Cl2-4-OCF3 Ph 473
    65 4-Br Ph 2,6-Cl2-4-OCF3 Ph 538
    66 4-OMe Ph 2,6-Cl2-4-OCF3 Ph 489
    67 4-pyridyl 2,6-Cl2-4-OCF3 Ph 460
    68 4-NO2 Ph 2,6-Cl2-4-OCF3 Ph 504
    69 5-NO2-pyrid-2-yl 2,6-Cl2-4-OCF3 Ph 505
    70 3-CF3 Ph 2,6-Cl2-4-OCF3 Ph 527
    71 4-OCF3 Ph 2,6-Cl2-4-OCF3 Ph 543
    72 2-OCF3 Ph 2,6-Cl2-4-OCF3 Ph 543
    73 3,4-(OMe)2 Ph 2,6-Cl2-4-OCF3 Ph 519
    74 2,4,6-Cl3 Ph 2,6-Cl2-4-OCF3 Ph 562
    75 cyclopentyl 2-Cl-4-CF3 Ph 400
    76 isopropyl 2-Cl-4-CF3 Ph 374
    77 2-Me-propyl 2-Cl-4-CF3 Ph 388
    78 3-Me-butyl 2-Cl-4-CF3 Ph 402
    79 4-Cl benzyl 2-Cl-4-CF3 Ph 457
    80 2-Me-propyl 2-Cl-4-CF3 Ph 388
    81 2-Me-butyl 2-Cl-4-CF3 Ph 402
    82 decyl 2-Cl-4-CF3 Ph 473
    83 ethyl 2-Cl-4-CF3 Ph 360
    84 CH2CH2Ph 2-Cl-4-CF3 Ph 436
    85 propyl 2-Cl-4-CF3 Ph 374
    86 3-Cl-propyl 2-Cl-4-CF3 Ph 409
    87 butyl 2-Cl-4-CF3 Ph 388
    88 4-t-butyl benzyl 2-Cl-4-CF3 Ph 478
    89 CH2CF3 2-Cl-4-CF3 Ph 414
    90 2-naphthyl 2-Cl-4-CF3 Ph 458
    91 Ph 2-Cl-4-CF3 Ph 408
    92 2,3,4,5,6-F5 Ph 2-Cl-4-CF3 Ph 498
    93 2,5-Cl2 Ph 2-Cl-4-CF3 Ph 477
    94 2-OMe Ph 2-Cl-4-CF3 Ph 438
    95 2-i-Pr Ph 2-Cl-4-CF3 Ph 450
    96 2-Me Ph 2-Cl-4-CF3 Ph 422
    97 3,4-Cl2 Ph 2-Cl-4-CF3 Ph 477
    98 3-Me Ph 2-Cl-4-CF3 Ph 422
    99 4-Br Ph 2-Cl-4-CF3 Ph 487
    100 4-OMe Ph 2-Cl-4-CF3 Ph 438
    101 4-pyridyl 2-Cl-4-CF3 Ph 409
    102 4-t-butyl Ph 2-Cl-4-CF3 Ph 464
    103 3-CF3 Ph 2-Cl-4-CF3 Ph 476
    104 4-i-Pr Ph 2-Cl-4-CF3 Ph 450
    105 4-OCF3 Ph 2-Cl-4-CF3 Ph 492
    106 2-OCF3 Ph 2-Cl-4-CF3 Ph 492
    107 3,4-(OMe)2 Ph 2-Cl-4-CF3 Ph 468
    108 2,4,6-Cl3 Ph 2-Cl-4-CF3 Ph 512
    109 cyclohexyl 2-Cl-5-CF3 Ph 414
    110 isopropyl 2-Cl-5-CF3 Ph 374
    111 2-Me-propyl 2-Cl-5-CF3 Ph 388
    112 4-Cl benzyl 2-Cl-5-CF3 Ph 457
    113 propyl 2-Cl-5-CF3 Ph 374
    114 pentyl 2-Cl-5-CF3 Ph 402
    115 CH2CF3 2-Cl-5-CF3 Ph 414
    116 2,3,4,5,6-F5 Ph 2-Cl-5-CF3 Ph 498
    117 2,5-Cl2 Ph 2-Cl-5-CF3 Ph 477
    118 2-OMe Ph 2-Cl-5-CF3 Ph 438
    119 2-i-Pr Ph 2-Cl-5-CF3 Ph 450
    120 3,4-Cl2 Ph 2-Cl-5-CF3 Ph 477
    121 3-Me Ph 2-Cl-5-CF3 Ph 422
    122 4-Br Ph 2-Cl-5-CF3 Ph 487
    123 4-OMe Ph 2-Cl-5-CF3 Ph 438
    124 4-pyridyl 2-Cl-5-CF3 Ph 409
    125 4-NO2 Ph 2-Cl-5-CF3 Ph 453
    126 4-t-butyl Ph 2-Cl-5-CF3 Ph 464
    127 3-CF3 Ph 2-Cl-5-CF3 Ph 476
    128 4-OCF3 Ph 2-Cl-5-CF3 Ph 492
    129 2-OCF3 Ph 2-Cl-5-CF3 Ph 492
    130 3,4-(OMe)2 Ph 2-Cl-5-CF3 Ph 468
    131 cyclohexyl 2,4,6-Cl3 Ph 415
    132 isopropyl 2,4,6-Cl3 Ph 375
    133 benzyl 2,4,6-Cl3 Ph 423
    134 4-Cl benzyl 2,4,6-Cl3 Ph 458
    135 2-Me-butyl 2,4,6-Cl3 Ph 403
    136 ethyl 2,4,6-Cl3 Ph 361
    137 propyl 2,4,6-Cl3 Ph 375
    138 pentyl 2,4,6-Cl3 Ph 403
    139 hexyl 2,4,6-Cl3 Ph 417
    140 CH2CF3 2,4,6-Cl3 Ph 415
    141 CH2CHCl2 2,4,6-Cl3 Ph 430
    142 2-naphthyl 2,4,6-Cl3 Ph 459
    143 2-OMe Ph 2,4,6-Cl3 Ph 439
    144 2-iPr Ph 2,4,6-Cl3 Ph 451
    145 3,4-Cl2 Ph 2,4,6-Cl3 Ph 478
    146 4-Br Ph 2,4,6-Cl3 Ph 488
    147 4-OMe Ph 2,4,6-Cl3 Ph 439
    148 4-OCF3 Ph 2,4,6-Cl3 Ph 493
    149 isopropyl 2-Br-4,6-Cl2 Ph 420
    150 3-Me-butyl 2-Br-4,6-Cl2 Ph 448
    151 4-Cl benzyl 2-Br-4,6-Cl2 Ph 502
    152 2-Me-butyl 2-Br-4,6-Cl2 Ph 448
    153 ethyl 2-Br-4,6-Cl2 Ph 406
    154 CH2CH2Ph 2-Br-4,6-Cl2 Ph 482
    155 propyl 2-Br-4,6-Cl2 Ph 420
    156 3-Cl-propyl 2-Br-4,6-Cl2 Ph 454
    157 CH2CF3 2-Br-4,6-Cl2 Ph 460
    158 2-naphthyl 2-Br-4,6-Cl2 Ph 504
    159 Ph 2-Br-4,6-Cl2 Ph 454
    160 2,5-Cl2 Ph 2-Br-4,6-Cl2 Ph 523
    161 2-iPr Ph 2-Br-4,6-Cl2 Ph 496
    162 2-Me Ph 2-Br-4,6-Cl2 Ph 468
    163 3,4-Cl2 Ph 2-Br-4,6-Cl2 Ph 523
    164 3-Me Ph 2-Br-4,6-Cl2 Ph 468
    165 4-Br Ph 2-Br-4,6-Cl2 Ph 533
    166 4-OMe Ph 2-Br-4,6-Cl2 Ph 484
    167 4-t-butyl Ph 2-Br-4,6-Cl2 Ph 510
    168 4-OCF3 Ph 2-Br-4,6-Cl2 Ph 538
    169 2,4,6-Cl3 Ph 2-Br-4,6-Cl2 Ph 557
    170 cyclopentyl 2,6-Cl2-4-Br Ph 446
    171 cyclohexyl 2,6-Cl2-4-Br Ph 460
    172 1,1-Me2-propyl 2,6-Cl2-4-Br Ph 448
    173 isopropyl 2,6-Cl2-4-Br Ph 420
    174 1-Me-propyl 2,6-Cl2-4-Br Ph 434
    175 3-Me-butyl 2,6-Cl2-4-Br Ph 448
    176 4-Cl benzyl 2,6-Cl2-4-Br Ph 502
    177 4-OMe benzyl 2,6-Cl2-4-Br Ph 498
    178 2-Me-butyl 2,6-Cl2-4-Br Ph 448
    179 ethyl 2,6-Cl2-4-Br Ph 406
    180 propyl 2,6-Cl2-4-Br Ph 420
    181 butyl 2,6-Cl2-4-Br Ph 434
    182 hexyl 2,6-Cl2-4-Br Ph 462
    183 CH2CF3 2,6-Cl2-4-Br Ph 460
    184 CH2CHCl2 2,6-Cl2-4-Br Ph 475
  • EXAMPLE 2
  • A solution of 5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-methylthiomethylpyrazole (1.0 g) in methanol was cooled to 0° C., then treated with sulfic acid/isopropanol catalyst (1 ml), followed by hydrogen peroxide (0.31 g of 30% w/w). The mixture was stirred overnight, quenched with water, the solid collected and washed with methyl t-butyl ether to give 5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-methylsulfinylmethylpyrazole (Compound 185, 0.63 g), MS 396. 1-(2,6-Dichloro-4-trifluoromethylphenyl)-3-cyano-5-methylamino-4-methylsulfinylmethylpyrazole (Compound 268) was prepared in a similar manner. [0079]
  • The following compounds of formula (I), shown in Table 2 in which R[0080] 2 is amino and n is 1 were prepared in a similar manner but replacing the methanol with trifluoroacetic acid and without the sulfuric acid/isopropanol catalyst, and purified by silica gel chromatography using a heptane/ethyl acetate/methanol gradient.
    TABLE 2
    Cpd No. R1 Q MS
    186 cyclopentyl 2,6-Cl2-4-CF3 Ph 451
    187 cyclohexyl 2,6-Cl2-4-CF3 Ph 465
    188 1,1-Me2-propyl 2,6-Cl2-4-CF3 Ph 453
    189 isopropyl 2,6-Cl2-4-CF3 Ph 425
    190 1-Me-propyl 2,6-Cl2-4-CF3 Ph 439
    191 benzyl 2,6-Cl2-4-CF3 Ph 473
    192 3-Me-butyl 2,6-Cl2-4-CF3 Ph 453
    193 4-OMe benzyl 2,6-Cl2-4-CF3 Ph 503
    194 2-Me-propyl 2,6-Cl2-4-CF3 Ph 439
    195 2-Me-butyl 2,6-Cl2-4-CF3 Ph 453
    196 ethyl 2,6-Cl2-4-CF3 Ph 411
    197 propyl 2,6-Cl2-4-CF3 Ph 425
    198 hexyl 2,6-Cl2-4-CF3 Ph 467
    199 4-t-Bu benzyl 2,6-Cl2-4-CF3 Ph 529
    200 isopropyl 2,6-Cl2-4-OCF3 Ph 441
    201 1-Me-propyl 2,6-Cl2-4-OCF3 Ph 455
    202 benzyl 2,6-Cl2-4-OCF3 Ph 489
    203 4-OMe benzyl 2,6-Cl2-4-OCF3 Ph 519
    204 2-Me-propyl 2,6-Cl2-4-OCF3 Ph 455
    205 2-Me-butyl 2,6-Cl2-4-OCF3 Ph 469
    206 ethyl 2,6-Cl2-4-OCF3 Ph 427
    207 propyl 2,6-Cl2-4-OCF3 Ph 441
    208 cyclopentyl 2-Cl-4-CF3 Ph 416
    209 4-Cl benzyl 2-Cl-4-CF3 Ph 473
    210 propyl 2-Cl-4-CF3 Ph 390
    211 4-Me benzyl 2-Cl-4-CF3 Ph 452
    212 4-t-Bu benzyl 2-Cl-4-CF3 Ph 494
    213 benzyl 2-Cl-5-CF3 Ph 438
    214 decyl 2-Cl-5-CF3 Ph 489
    215 4-Me benzyl 2-Cl-5-CF3 Ph 452
    216 2-OMe Ph 2-Cl-5-CF3 Ph 454
    217 3,4-Cl2 Ph 2-Cl-5-CF3 Ph (a)
    218 4-OCF3 Ph 2-Cl-5-CF3 Ph (a)
    219 3-Me-butyl 2,4,6-Cl3 Ph 419
    220 ethyl 2,4,6-Cl3 Ph 377
    221 butyl 2,4,6-Cl3 Ph 405
    222 4-t-Bu benzyl 2,4,6-Cl3 Ph 495
    223 isopropyl 2-Br-4,6-Cl2 Ph 436
    224 propyl 2-Br-4,6-Cl2 Ph 436
    225 cyclohexyl 2,6-Cl2-4-Br Ph 476
    226 1,1-dimethylpropyl 2,6-Cl2-4-Br Ph 464
    227 isopropyl 2,6-Cl2-4-Br Ph 436
    228 2-Me-propyl 2,6-Cl2-4-Br Ph 450
    229 decyl 2,6-Cl2-4-Br Ph 534
    230 propyl 2,6-Cl2-4-Br Ph 436
    231 butyl 2,6-Cl2-4-Br Ph 450
  • By proceeding in a similar manner the following compounds of formula (I), shown in Table 2 in which R[0081] 2 is amino and n is 2, were also prepared.
    TABLE 3
    Cpd No. R1 Q MS
    232 methyl 2,6-Cl2-4-CF3 Ph 413
    233 isopropyl 2,6-Cl2-4-CF3 Ph 441
    234 benzyl 2,6-Cl2-4-CF3 Ph (a)
    235 ethyl 2,6-Cl2-4-CF3 Ph 427
    236 propyl 2,6-Cl2-4-CF3 Ph 441
    237 3-Cl-propyl 2,6-Cl2-4-CF3 Ph 475
    238 butyl 2,6-Cl2-4-CF3 Ph 455
    239 hexyl 2,6-Cl2-4-CF3 Ph 483
    240 Ph 2,6-Cl2-4-CF3 Ph 475
    241 4-OMe Ph 2,6-Cl2-4-CF3 Ph 505
    242 4-tBu Ph 2,6-Cl2-4-CF3 Ph 531
    243 3-CF3 Ph 2,6-Cl2-4-CF3 Ph 543
    244 4-iPr Ph 2,6-Cl2-4-CF3 Ph 517
    245 4-OCF3 Ph 2,6-Cl2-4-CF3 Ph 559
    246 2-OCF3 Ph 2,6-Cl2-4-CF3 Ph 559
    247 cyclopentyl 2,6-Cl2-4-OCF3 Ph 483
    248 benzyl 2,6-Cl2-4-OCF3 Ph 505
    249 4-Cl benzyl 2,6-Cl2-4-OCF3 Ph 539
    250 2-Me-propyl 2,6-Cl2-4-OCF3 Ph 471
    251 2-Me-butyl 2,6-Cl2-4-OCF3 Ph 485
    252 decyl 2,6-Cl2-4-OCF3 Ph 555
    253 hexyl 2,6-Cl2-4-OCF3 Ph 499
    254 Ph 2,6-Cl2-4-OCF3 Ph 491
    255 2-iPr Ph 2,6-Cl2-4-OCF3 Ph 533
    256 3-Me-butyl 2-Cl-4-CF3 Ph 434
    257 4-t-Bu Ph 2-Cl-4-CF3 Ph 496
    258 isopropyl 2-Cl-5-CF3 Ph 406
    259 4-Cl benzyl 2-Cl-5-CF3 Ph 489
    260 isopropyl 2,4,6-Cl3 Ph 407
    261 4-iPr Ph 2-Br-4,6-Cl2 Ph 528
    262 2-OCF3 Ph 2-Br-4,6-Cl2 Ph 570
    263 4-Cl benzyl 2,6-Cl2-4-CF3 Ph 498
    264 propyl 2,6-Cl2-4-CF3 Ph 416
    265 propyl 2-Br-4,6-Cl2 Ph 452
    266 CH2CHCl2 2,6-Cl2-4-CF3 Ph (a)
    267 4-Cl benzyl 2,6-Cl2-4-Br Ph 534
  • EXAMPLE 3
  • Sodium borohydride (420 mg) was added portionwise to a solution of 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-5-ethoxycarbonylamino-4-methylthiomethylpyrazole (854 mg) in methanol. The mixture was evaporated, diluted with dichloromethane and water, and the organic phase dried (magnesium sulfate) and evaporated to give 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-5-methylamino-4-methylthiomethylpyrazole. [0082]
  • EXAMPLE 4
  • A solution of 5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-methylthiomethylpyrazole (801 mg) in triethyl orthoformate was heated to 80° C., concentrated hydrochloric acid (2 drops) added, and the mixture heated until it had a pH of 6. Evaporation then gave 1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-5-ethoxymethyleneamino-4-methylthiomethylpyrazole (Compound 269, 875 mg). [0083]
  • The term “compound of the invention” as used hereinafter embraces a compound of formula (I) as defined above and a pesticidally acceptable salt thereof. [0084]
  • One aspect of the present invention as defined above is a method for the control of pests at a locus. The locus includes, for example, the pest itself, the place (plant, field, forest, orchard, waterway, soil, plant product, or the like) where the pest resides or feeds, or a place susceptible to future infestation by the pest. The compound of the invention may therefore be applied directly to the pest, to the place where the pest resides or feeds, or to the place susceptible to future infestation by the pest. [0085]
  • As is evident from the foregoing pesticidal uses, the present invention provides pesticidally active compounds and methods of use of said compounds for the control of a number of pest species which includes: arthropods, especially insects or mites, or plant nematodes. The compound of the invention may thus be advantageously employed in practical uses, for example, in agricultural or horticultural crops, in forestry, in veterinary medicine or livestock husbandry, or in public health. [0086]
  • The compounds of the invention may be used for example in the following applications and on the following pests: [0087]
  • For the control of soil insects, such as corn rootworm, termites (especially for protection of structures), root maggots, wireworms, root weevils, stalkborers, cutworms, root aphids, or grubs. They may also be used to provide activity against plant pathogenic nematodes, such as root-knot, cyst, dagger, lesion, or stem or bulb nematodes, or against mites. For the control of soil pests, for example corn rootworm, the compounds are advantageously applied to or incorporated at an effective rate into the soil in which crops are planted or to be planted or to the seeds or growing plant roots. [0088]
  • In the area of public health, the compounds are especially useful in the control of many insects, especially filth flies or other Dipteran pests, such as houseflies, stableflies, soldierflies, hornflies, deerflies, horseflies, midges, punkies, blackflies, or mosquitoes. [0089]
  • In the protection of stored products, for example cereals, including grain or flour, groundnuts, animal feedstuffs, timber or household goods, e.g. carpets and textiles, compounds of the invention are useful against attack by arthropods, more especially beetles, including weevils, moths or mites, for example Ephestia spp. (flour moths), Anthrenus spp. (carpet beetles), Tribolium spp. (flour beetles), Sitophilus spp. (grain weevils) or Acarus spp. (mites). [0090]
  • In the control of cockroaches, ants or termites or similar arthropod pests in infested domestic or industrial premises or in the control of mosquito larvae in waterways, wells, reservoirs or other running or standing water. [0091]
  • For the treatment of foundations, structures or soil in the prevention of the attack on building by termites, for example, Reticulitermes spp., Heterotermes spp., Coptotermes spp. [0092]
  • In agriculture against adults, larvae and eggs of Lepidoptera (butterflies and moths), e.g. Heliothis spp. such as [0093] Heliothis virescens (tobacco budworm), Heliothis armigera and Heliothis zea. Against adults and larvae of Coleoptera (beetles) e.g. Anthonomus spp. e.g. grandis (cotton boll weevil), Leptinotarsa decemlineata (Colorado potato beetle), Diabrotica spp. (corn rootworms). Against Heteroptera (Hemiptera and Homoptera) e.g. Psylla spp., Bemisia spp., Trialeurodes spp., Aphis spp., Myzus spp., Megoura viciae, Phylloxera spp., Nephotettix spp. (rice leaf hoppers), Nilaparvata spp.
  • Against Diptera e.g. Musca spp. Against Thysanoptera such as [0094] Thrips tabaci. Against Orthoptera such as Locusta and Schistocerca spp., (locusts and crickets) e.g. Gryllus spp., and Acheta spp. for example, Blatta orientalis, Periplaneta americana, Blatella germanica, Locusta migratoria migratorioides, and Schistocerca gregaria. Against Collembola e.g. Periplaneta spp. and Blatella spp. (roaches).
  • Against arthropods of agricultural significance such as Acari (mites) e.g. Tetranychus spp., and Panonychus spp. [0095]
  • Against nematodes which attack plants or trees of importance to agriculture, forestry or horticulture either directly or by spreading bacterial, viral, mycoplasma or fungal diseases of the plants. For example root-knot nematodes such as Meloidogyne spp. (e.g. M. incognita). [0096]
  • In the field of veterinary medicine or livestock husbandry or in the maintenance of public health against arthropods which are parasitic internally or externally upon vertebrates, particularly warm-blooded vertebrates, for example domestic animals, e.g. cattle, sheep, goats, equines, swine, poultry, dogs or cats, for example Acarina, including ticks (e.g. Ixodes spp., Boophilus spp. e.g. [0097] Boophilus microplus, Rhipicephalus spp. e.g. Rhipicephalus appendiculatus Ornithodorus spp. (e.g. Ornithodorus moubata) and mites (e.g. Damalinia spp.); Diptera (e.g. Aedes spp., Anopheles spp., Musca spp., Hypoderma spp.); Hemiptera; Dictyoptera (e.g. Periplaneta spp., Blatella spp.); Hymenoptera; for example against infections of the gastro-intestinal tract caused by parasitic nematode worms, for example members of the family Trichostrongylidae.
  • In practical use for the control of arthropods, especially insects or mites, or nematode pests of plants, a method, for example, comprises applying to the plants or to the medium in which they grow a pesticidally effective amount of a compound of the invention. For such a method, the active compound is generally applied to the locus in which the arthropod or nematode infestation is to be controlled at an effective rate in the range of about 2 g to about 5 kg of the active compound per hectare of locus treated. Under ideal conditions, depending on the pest to be controlled, a lower rate may offer adequate protection. On the other hand, adverse weather conditions, resistance of the pest or other factors may require that the active ingredient be used at higher rates. The optimum rate depends usually upon a number of factors, for example, the type of pest being controlled, the type or the growth stage of the infested plant, the row spacing or also the method of application. Preferably an effective rate range of the active compound is from about 10 g/ha to about 400 g/ha, more preferably from about 50 g/ha to about 200 g/ha. [0098]
  • When a pest is soil-borne, the active compound, generally in a formulated composition, is distributed evenly over the area to be treated (i.e., for example broadcast or band treatment) in any convenient manner and is applied at rates from about 10 g/ha to about 400 g ai/ha, preferably from about 50 g/ha to about 200 g ai/ha. When applied as a root dip to seedlings or drip irrigation to plants the liquid solution or suspension contains from about 0.075 to about 1000 mg ai/l, preferably from about 25 to about 200 mg ai/l. Application may be made, if desired, to the field or crop-growing area generally or in close proximity to the seed or plant to be protected from attack. The active component can be washed into the soil by spraying with water over the area or can be left to the natural action of rainfall. During or after application, the formulated compound can, if desired, be distributed mechanically in the soil, for example by ploughing, disking, or use of drag chains. Application can be prior to planting, at planting, after planting but before sprouting has taken place, or after sprouting. [0099]
  • Accordingly, in a further aspect of the invention there is provided a seed, treated or coated with a compound of the formula (I) or a composition as described hereinafter. [0100]
  • The compound of the invention and methods of control of pests therewith are of particular value in the protection of field, forage, plantation, glasshouse, orchard or vineyard crops, of ornamentals, or of plantation or forest trees, for example: cereals (such as wheat or rice), cotton, vegetables (such as peppers), field crops (such as sugar beets, soybeans or oil seed rape), grassland or forage crops (such as maize or sorghum), orchards or groves (such as of stone or pit fruit or citrus), ornamental plants, flowers or vegetables or shrubs under glass or in gardens or parks, or forest trees (both deciduous and evergreen) in forests, plantations or nurseries. They are also valuable in the protection of timber (standing, felled, converted, stored or structural) from attack, for example, by sawflies or beetles or termites. [0101]
  • They have applications in the protection of stored products such as grains, fruits, nuts, spices or tobacco, whether whole, milled or compounded into products, from moth, beetle, mite or grain weevil attack. Also protected are stored animal products such as skins, hair, wool or feathers in natural or converted form (e.g. as carpets or textiles) from moth or beetle attack as well as stored meat, fish or grains from beetle, mite or fly attack. [0102]
  • Additionally, the compound of the invention and methods of use thereof are of particular value in the control of arthropods or helminths which are injurious to, or spread or act as vectors of diseases in domestic animals, for example those hereinbefore mentioned, and more especially in the control of ticks, mites, lice, fleas, midges, or biting, nuisance or myiasis flies. The compounds of the invention are particularly useful in controlling arthropods or helminths which are present inside domestic host animals or which feed in or on the skin or suck the blood of the animal, for which purpose they may be administered orally, parenterally, percutaneously or topically. [0103]
  • Accordingly, in a further aspect of the invention there is provided the use of a compound of the formula (I) or a composition hereinafter described for preparing a veterinary medicine and a verterinary medicine comprising said compound. The compositions hereinafter described for application to growing crops or crop growing loci or as a seed dressing may, in general, alternatively be employed in the protection of stored products, household goods, property or areas of the general environment. Suitable means of applying the compounds of the invention include: to growing crops as foliar sprays (for example as an in-furrow spray), dusts, granules, fogs or foams or also as suspensions of finely divided or encapsulated compositions as soil or root treatments by liquid drenches, dusts, granules, smokes or foams; to seeds of crops via application as seed dressings by liquid slurries or dusts; to animals infested by or exposed to infestation by arthropods or helminths, by parenteral, oral or topical application of compositions in which the active ingredient exhibits an immediate and/or prolonged action over a period of time against the arthropods or helminths, for example by incorporation in feed or suitable orally-ingestible pharmaceutical formulations, edible baits, salt licks, dietary supplements, pour-on formulations, sprays, baths, dips, showers, jets, dusts, greases, shampoos, creams, wax smears or livestock self-treatment systems; to the environment in general or to specific locations where pests may lurk, including stored products, timber, household goods, or domestic or industrial premises, as sprays, fogs, dusts, smokes, wax-smears, lacquers, granules or baits, or in tricklefeeds to waterways, wells, reservoirs or other running or standing water. [0104]
  • According to a further feature of the present invention there is provided a pesticidal composition comprising one or more compounds of the invention as defined above, in a pesticidally effective amount, in association with, and preferably homogeneously dispersed in one or more compatible agriculturally acceptable diluents or carriers and/or surface active agents (i.e., diluents or carriers and/or surface active agents of the type generally accepted in the art as being suitable for use in herbicidal compositions and which are compatible with compounds of the invention). [0105]
  • In practice, the compounds of the invention most frequently form parts of compositions. These compositions can be employed to control arthropods, especially insects, or plant nematodes or mites. The compositions may be of any type known in the art suitable for application to the desired pest in any premises or indoor or outdoor area. These compositions contain at least one compound of the invention as the active ingredient, in a pesticidally effective amount, in combination or association with one or more other compatible components which are for example, solid or liquid carriers or diluents, adjuvants, surface-active agents, or the like appropriate for the intended use and which are agronomically or medicinally acceptable. These compositions, which may be prepared by any manner known in the art, likewise form a part of this invention. [0106]
  • These compositions may also contain other kinds of ingredients such as protective colloids, adhesives, thickeners, thixotropic agents, penetrating agents, spray oils (especially for acaridical use), stabilizers, preservative agents (especially mold preservatives), sequestering agents, or the like, as well as other known active ingredients with pesticidal properties (particularly insecticidal, miticidal, nematicidal, or fungicidal) or with properties regulating the growth of plants. More generally, the compounds employed in the invention may be combined with all the solid or liquid additives corresponding to the usual techniques of formulation. [0107]
  • Examples of other pesticidally-active compounds which may be included in, or used in conjunction with the compositions of the present invention are: acephate, chlorpyrifos, demeton-S-methyl, disulfoton, ethoprofos, fenitrothion, fenamiphos, fonofos, isazophos, isofenphos, malathion, monocrotophos, parathion, phorate, phosalone, pirimiphos-methyl, terbufos, triazophos, cyfluthrin, cypermethrin, deltamethrin, fenpropathrin, fenvalerate, permethrin, tefluthrin, aldicarb, carbosulfan, methomyl, oxamyl, pirimicarb, bendiocarb, teflubenzuron, dicofol, endosulfan, lindane, benzoximate, cartap, cyhexatin, tetradifon, avermectins, ivermectins, milbemycins, thiophanate, trichlorfon, dichlorvos, diaveridine or dimetriadazole. [0108]
  • Compositions, suitable for applications in agriculture, horticulture, or the like include formulations suitable for use as, for example, sprays, dusts, granules, fogs, foams, emulsions, or the like. [0109]
  • The effective use doses of the compounds employed in the invention can vary within wide limits, particularly depending on the nature of the pest to be eliminated or degree of infestation, for example, of crops with these pests. In general, the compositions according to the invention usually contain about 0.05 to about 95% (by weight) of one or more active ingredients according to the invention, about 1 to about 95% of one or more solid or liquid carriers and, optionally, about 0.1 to about 50% of one or more other compatible components, such as surface-active agents or the like. [0110]
  • In the present account, the term “carrier” denotes an organic or inorganic ingredient, natural or synthetic, with which the active ingredient is combined to facilitate its application, for example, to the plant, to seeds or to the soil. This carrier is therefore generally inert and it must be acceptable (for example, agronomically acceptable, particularly to the treated plant). [0111]
  • The carrier may be a solid, for example, clays, natural or synthetic silicates, silica, resins, waxes, solid fertilizers (for example ammonium salts), ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite, bentonite or diatomaceous earth, or ground synthetic minerals, such as silica, alumina, or silicates, especially aluminum or magnesium silicates. As solid carriers for granules the following are suitable: crushed or fractionated natural rocks such as calcite, marble, pumice, sepiolite and dolomite; synthetic granules of inorganic or organic meals; granules of organic material such as sawdust, coconut shells, corn cobs, corn husks or tobacco stalks; kieselguhr, tricalcium phosphate, powdered cork, or absorbent carbon black; water soluble polymers, resins, waxes; or solid fertilizers. Such solid compositions may, if desired, contain one or more compatible wetting, dispersing, emulsifying or coloring agents which, when solid, may also serve as a diluent. [0112]
  • The carrier may also be liquid, for example: water; alcohols, particularly butanol or glycol, as well as their ethers or esters, particularly methylglycol acetate; ketones, particularly acetone, cyclohexanone, methylethyl ketone, methylisobutylketone, or isophorone; petroleum fractions such as paraffmic or aromatic hydrocarbons, particularly xylenes or alkyl naphthalenes; mineral or vegetable oils; aliphatic chlorinated hydrocarbons, particularly trichloroethane or methylene chloride; aromatic chlorinated hydrocarbons, particularly chlorobenzenes; water-soluble or strongly polar solvents such as dimethylformamide, dimethyl sulfoxide, or N-methylpyrrolidone; liquefied gases; or the like or a mixture thereof. [0113]
  • The surface-active agent may be an emulsifying agent, dispersing agent or wetting agent of the ionic or non-ionic type or a mixture of such surface-active agents. Among these are e.g., salts of polyacrylic acids, salts of lignosulfonic acids, salts of phenolsulfonic or naphthalenesulfonic acids, polycondensates of ethylene oxide with fatty alcohols or fatty acids or fatty esters or fatty amines, substituted phenols (particularly alkylphenols or arylphenols), salts of sulfosuccinic acid esters, taurine derivatives (particularly alkyltaurates), phosphoric esters of alcohols or of polycondensates of ethylene oxide with phenols, esters of fatty acids with polyols, or sulfate, sulfonate or phosphate functional derivatives of the above compounds. The presence of at least one surface-active agent is generally essential when the active ingredient and/or the inert carrier are only slightly water soluble or are not water soluble and the carrier agent of the composition for application is water. [0114]
  • Compositions of the invention may further contain other additives such as adhesives or colorants. Adhesives such as carboxymethylcellulose or natural or synthetic polymers in the form of powders, granules or lattices, such as arabic gum, polyvinyl alcohol or polyvinyl acetate, natural phospholipids, such as cephalins or lecithins, or synthetic phospholipids can be used in the formulations. It is possible to use colorants such as inorganic pigments, for example: iron oxides, titanium oxides or Prussian Blue; organic dyestuffs, such as alizarin dyestuffs, azo dyestuffs or metal phthalocyanine dyestuffs; or trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum or zinc. [0115]
  • For their agricultural application, the compounds of the invention are therefore generally in the form of compositions, which are in various solid or liquid forms. [0116]
  • Solid forms of compositions which can be used are dusting powders (with a content of the compound of the invention ranging up to 80%), wettable powders or granules (including water dispersible granules), particularly those obtained by extrusion, compacting, impregnation of a granular carrier, or granulation starting from a powder (the content of the compound of the invention in these wettable powders or granules being between about 0.5 and about 80%). Solid homogenous or heterogenous compositions containing one or more compounds of the invention, for example granules, pellets, briquettes or capsules, may be used to treat standing or running water over a period of time. A similar effect may be achieved using trickle or intermittent feeds of water dispersible concentrates as described herein. [0117]
  • Liquid compositions, for example, include aqueous or non-aqueous solutions or suspensions (such as emulsifiable concentrates, emulsions, flowables, dispersions, or solutions) or aerosols. Liquid compositions include, in particular, emulsifiable concentrates, dispersions, emulsions, flowables, aerosols, wettable powders (or powder for spraying), dry flowables or pastes as forms of compositions which are liquid or intended to form liquid compositions when applied, for example as aqueous sprays (including low and ultra-low volume) or as fogs or aerosols. [0118]
  • Liquid compositions, for example, in the form of emulsifiable or soluble concentrates most frequently comprise about 5 to about 80% by weight of the active ingredient, while the emulsions or solutions which are ready for application contain, in their case, about 0.01 to about 20% of the active ingredient. Besides the solvent, the emulsifiable or soluble concentrates may contain, when required, about 2 to about 50% of suitable additives, such as stabilizers, surface-active agents, penetrating agents, corrosion inhibitors, colorants or adhesives. Emulsions of any required concentration, which are particularly suitable for application, for example, to plants, may be obtained from these concentrates by dilution with water. These compositions are included within the scope of the compositions which may be employed in the present invention. The emulsions may be in the form of water-in-oil or oil-in-water type and they may have a thick consistency. [0119]
  • The liquid compositions of this invention may, in addition to normal agricultural use applications, be used for example to treat substrates or sites infested or liable to infestation by arthropods (or other pests controlled by compounds of this invention) including premises, outdoor or indoor storage or processing areas, containers or equipment or standing or running water. [0120]
  • All these aqueous dispersions or emulsions or spraying mixtures can be applied, for example, to crops by any suitable means, chiefly by spraying, at rates which are generally of the order of about 100 to about 1,200 liters of spraying mixture per hectare, but may be higher or lower (e.g., low or ultra-low volume) depending upon the need or application technique. The compound or compositions according to the invention are conveniently applied to vegetation and in particular to roots or leaves having pests to be eliminated. Another method of application of the compounds or compositions according to the invention is by chemigation, that is to say, the addition of a formulation containing the active ingredient to irrigation water. This irrigation may be sprinkler irrigation for foliar pesticides or it can be ground irrigation or underground irrigation for soil or for systemic pesticides. [0121]
  • The concentrated suspensions, which can be applied by spraying, are prepared so as to produce a stable fluid product which does not settle (fine grinding) and usually contain from about 10 to about 75% by weight of active ingredient, from about 0.5 to about 30% of surface-active agents, from about 0.1 to about 10% of thixotropic agents, from about 0 to about 30% of suitable additives, such as anti-foaming agents, corrosion inhibitors, stabilizers, penetrating agents, adhesives and, as the carrier, water or an organic liquid in which the active ingredient is poorly soluble or insoluble. Some organic solids or inorganic salts may be dissolved in the carrier to help prevent settling or as antifreezes for water. [0122]
  • The wettable powers (or powder for spraying) are usually prepared so that they contain from about 10 to about 80% by weight of active ingredient, from about 20 to about 90% of a solid carrier, from about 0 to about 5% of a wetting agent, from about 3 to about 10% of a dispersing agent and, when necessary, from about 0 to about 80% of one or more stabilizers and/or other additives, such as penetrating agents, adhesives, anti-caking agents, colorants, or the like. To obtain these wettable powders, the active ingredient is thoroughly mixed in a suitable blender with additional substances which may be impregnated on the porous filler and is ground using a mill or other suitable grinder. This produces wettable powders, the wettability and the suspendability of which are advantageous. They may be suspended in water to give any desired concentration and this suspension can be employed very advantageously in particular for application to plant foliage. [0123]
  • The “water dispersible granules (WG)” (granules which are readily dispersible in water) have compositions which are substantially close to that of the wettable powders. They may be prepared by granulation of formulations described for the wettable powders, either by a wet route (contacting finely divided active ingredient with the inert filler and a little water, e.g. 1 to 20% by weight, or with an aqueous solution of a dispersing agent or binder, followed by drying and screening), or by a dry route (compacting followed by grinding and screening). [0124]
  • The rates and concentrations of the formulated compositions may vary according to the method of application or the nature of the compositions or use thereof. Generally speaking, the compositions for application to control arthropod or plant nematode pests usually contain from about 0.00001% to about 95%, more particularly from about 0.0005% to about 50% by weight of one or more compounds of the invention, or of total active ingredients (that is to say the compounds of the invention, together with other substances toxic to arthropods or plant nematodes, synergists, trace elements or stabilizers). The actual compositions employed and their rate of application will be selected to achieve the desired effect(s) by the farmer, livestock producer, medical or veterinary practitioner, pest control operator or other person skilled in the art. [0125]
  • Solid or liquid compositions for application topically to animals, timber, stored products or household goods usually contain from about 0.00005% to about 90%, more particularly from about 0.001% to about 10%, by weight of one or more compounds of the invention. For administration to animals orally or parenterally, including percutaneously solid or liquid compositions, these normally contain from about 0.1% to about 90% by weight of one or more compounds of the invention. Medicated feedstuffs normally contain from about 0.001% to about 3% by weight of one or more compounds of the invention. Concentrates or supplements for mixing with feedstuffs normally contain from about 5% to about 90%, preferably from about 5% to about 50%, by weight of one or more compounds of the invention. Mineral salt licks normally contain from about 0.1% to about 10% by weight of one or more compounds of formula (I) or pesticidally acceptable salts thereof. [0126]
  • Dusts or liquid compositions for application to livestock, goods, premises or outdoor areas may contain from about 0.0001% to about 15%, more especially from about 0.005% to about 2.0%, by weight, of one or more compounds of the invention. Suitable concentrations in treated waters are between about 0.0001 ppm and about 20 ppm, more particularly about 0.001 ppm to about 5.0 ppm of one or more compounds of the invention, and may be used therapeutically in fish farming with appropriate exposure times. Edible baits may contain from about 0.01% to about 5%, preferably from about 0.01% to about 1.0%, by weight, of one or more compounds of the invention. [0127]
  • When administered to vertebrates parenterally, orally or by percutaneous or other means, the dosage of compounds of the invention, will depend upon the species, age, or health of the vertebrate and upon the nature and degree of its actual or potential infestation by arthropod or helminth pests. A single dose of about 0.1 to about 100 mg, preferably about 2.0 to about 20.0 mg, per kg body weight of the animal or doses of about 0.01 to about 20.0 mg, preferably about 0.1 to about 5.0 mg, per kg body weight of the animal per day, for sustained medication, are generally suitable by oral or parenteral administration. By use of sustained release formulations or devices, the daily doses required over a period of months may be combined and administered to animals on a single occasion. [0128]
  • The following composition EXAMPLES 2A-2M illustrate compositions for use against arthropods, especially mites or insects, or plant nematodes, which comprise, as active ingredient, compounds of the invention, such as those described in the preparative examples. The compositions described in EXAMPLES 2A-2M can each be diluted to give a sprayable composition at concentrations suitable for use in the field. Generic chemical descriptions of the ingredients (for which all of the following percentages are in weight percent), used in the composition EXAMPLES 2A-2M exemplified below, are as follows: [0129]
    TRADE NAME CHEMICAL DESCRIPTION
    Ethylan BCP Nonylphenol ethylene oxide condensate
    Soprophor BSU Tristyrylphenol ethylene oxide condensate
    Arylan CA A 70% w/v solution of calcium
    dodecylbenzenesulfonate
    Solvesso 150 Light C10 aromatic solvent
    Arylan S Sodium dodecylbenzenesulfonate
    Darvan NO2 Sodium lignosulfonate
    Celite PF Synthetic magnesium silicate carrier
    Sopropon T36 Sodium salts of polycarboxylic acids
    Rhodigel 23 Polysaccharide xanthan gum
    Bentone 38 Organic derivative of magnesium montmorillonite
    Aerosil Microfine silicon dioxide
  • EXAMPLE 2A
  • A water soluble concentrate is prepared with the composition as follows: [0130]
    Active ingredient  7%
    Ethylan BCP 10%
    N-methylpyrrolidone 83%
  • To a solution of Ethylan BCP dissolved in a portion of N-methylpyrrolidone is added the active ingredient with heating and stirring until dissolved. The resulting solution is made up to volume with the remainder of the solvent. [0131]
  • EXAMPLE 2B
  • An emulsifiable concentrate (EC) is prepared with the composition as follows: [0132]
    Active ingredient 25% (max)
    Soprophor BSU 10%
    Arylan CA  5%
    N-methylpyrrolidone 50%
    Solvesso 150 10%
  • The first three components are dissolved in N-methylpyrrolidone and to this is then added the Solvesso 150 to give the final volume. [0133]
  • EXAMPLE 2C
  • A wettable powder (WP) is prepared with the composition as follows: [0134]
    Active ingredient 40%
    Arylan S  2%
    Darvan NO2  5%
    Celite PF 53%
  • The ingredients are mixed and ground in a hammer-mill to a powder with a particle size of less than 50 microns. [0135]
  • EXAMPLE 2D
  • An aqueous-flowable formulation is prepared with the composition as follows: [0136]
    Active ingredient 40.00% 
    Ethylan BCP 1.00%
    Sopropon T360 0.20%
    Ethylene glycol 5.00%
    Rhodigel 230 0.15%
    Water 53.65% 
  • The ingredients are intimately mixed and are ground in a bead mill until a mean particle size of less than 3 microns is obtained. [0137]
  • EXAMPLE 2E
  • An emulsifiable suspension concentrate is prepared with the composition as follows: [0138]
    Active ingredient 30.0%
    Ethylan BCP 10.0%
    Bentone 38  0.5%
    Solvesso 150 59.5%
  • The ingredients are intimately mixed and ground in a beadmill until a mean particle size of less than 3 microns is obtained. [0139]
  • EXAMPLE 2F
  • A water dispersible granule is prepared with the composition as follows: [0140]
    Active ingredient 30%
    Darvan No 2 15%
    Arylan S  8%
    Celite PF 47%
  • The ingredients are mixed, micronized in a fluid-energy mill and then granulated in a rotating pelletizer by spraying with water (up to 10%). The resulting granules are dried in a fluid-bed drier to remove excess water. [0141]
  • EXAMPLE 2G
  • A dusting powder is prepared with the composition as follows: [0142]
    Active ingredient  1 to 10%
    Talc powder-superfine 99 to 90%
  • The ingredients are intimately mixed and further ground as necessary to achieve a fine powder. This powder may be applied to a locus of arthropod infestation, for example refuse dumps, stored products or household goods or animals infested by, or at risk of infestation by, arthropods to control the arthropods by oral ingestion. Suitable means for distributing the dusting powder to the locus of arthropod infestation include mechanical blowers, handshakers or livestock self treatment devices. [0143]
  • EXAMPLE 2H
  • An edible bait is prepared with the composition as follows: [0144]
    Active ingredient  0.1 to 1.0%
    Wheat flour 80%
    Molasses 19.9 to 19%
  • The ingredients are intimately mixed and formed as required into a bait form. This edible bait may be distributed at a locus, for example domestic or industrial premises, e.g. kitchens, hospitals or stores, or outdoor areas, infested by arthropods, for example ants, locusts, cockroaches or flies, to control the arthropods by oral ingestion. [0145]
  • EXAMPLE 2I
  • A solution formulation is prepared with a composition as follows: [0146]
    Active ingredient 15%
    Dimethyl sulfoxide 85%
  • The active ingredient is dissolved in dimethyl sulfoxide with mixing and/or heating as required. This solution may be applied percutaneously as a pour-on application to domestic animals infested by arthropods or, after sterilization by filtration through a polytetrafluoroethylene membrane (0.22 micrometer pore size), by parenteral injection, at a rate of application of from 1.2 to 12 ml of solution per 100 kg of animal body weight. [0147]
  • EXAMPLE 2J
  • A wettable powder is prepared with the composition as follows: [0148]
    Active ingredient 50%
    Ethylan BCP  5%
    Aerosil  5%
    Celite PF 40%
  • The Ethylan BCP is absorbed onto the Aerosil which is then mixed with the other ingredients and ground in a hammer-mill to give a wettable powder, which may be diluted with water to a concentration of from 0.001% to 2% by weight of the active compound and applied to a locus of infestation by arthropods, for example, dipterous larvae or plant nematodes, by spraying, or to domestic animals infested by, or at risk of infection by arthropods, by spraying or dipping, or by oral administration in drinking water, to control the arthropods. [0149]
  • EXAMPLE 2K
  • A slow release bolus composition is formed from granules containing the following components in varying percentages(similar to those described for the previous compositions) depending upon need: [0150]
  • Active ingredient [0151]
  • Density agent [0152]
  • Slow-release agent [0153]
  • Binder [0154]
  • The intimately mixed ingredients are formed into granules which are compressed into a bolus with a specific gravity of 2 or more. This can be administered orally to ruminant domestic animals for retention within the reticulorumen to give a continual slow release of active compound over an extended period of time to control infestation of the ruminant domestic animals by arthropods. [0155]
  • EXAMPLE 2L
  • A slow release composition in the form of granules, pellets, brickettes or the like can be prepared with compositions as follows: [0156]
  • Active ingredient 0.5 to 25% [0157]
  • Polyvinyl chloride 75 to 99.5% [0158]
  • Diotcyl phthalate (plasticizer) [0159]
  • The components are blended and then formed into suitable shapes by melt-extrusion or molding. These composition are useful, for example, for addition to standing water or for fabrication into collars or eartags for attachment to domestic animals to control pests by slow release. [0160]
  • EXAMPLE 2M
  • A water dispersible granule is prepared with the composition as follows: [0161]
    Active ingredient 85% (max)
    Polyvinylpyrrolidone  5%
    Attapulgite clay  6%
    Sodium lauryl sulfate  2%
    Glycerine  2%
  • The ingredients are mixed as a 45% slurry with water and wet milled to a particle size of 4 microns, then spray-dried to remove water. [0162]
  • Methods of Pesticidal Use [0163]
  • The following representative test procedures, using compounds of the invention, were conducted to determine the pesticidal use and activity of compounds of the invention against certain insects, including aphids and nematodes. The specific species tested were as follows: [0164]
  • Method A: Systemic Aphid Screen [0165]
  • Untreated cotton seeds were planted in a sandy loam soil and grown until the cotyledons were fully expanded. About 25 cotton aphids ([0166] Aphis gossypii) were transferred to each plant and 24 hours later the soil was drenched with test solution in aqueous acetone (99:1 v/v) at various soil concentrations and the plants maintained in a growth chamber. Six days after treatment the number of living aphids was assessed relative to an untreated control and a rating given (1=70-99% of untreated control, 3=31-69%, 4=1-30%, 5=0 aphids on the plant), and the LC50 values calculated.
  • The following compounds gave a score of 3 or more at a concentration of 100 ppm or less, or had an LC50 of 100 ppm or less: [0167]
  • 1, 2, 4-6, 8-10, 13, 15, 17-19, 21, 22, 24, 25, 28, 29, 31-33, 35-37, 41, 43, 50, 65, 67, 70, 80, 81, 84, 87, 88, 93-110, 113-119, 123, 126, 131, 133-135, 138, 139, 141, 144, 145, 147, 149, 150, 159, 161, 162, 164, 168, 171, 175, 182, 185, 186, 188, 240-243, 251, 252, 255 and 261-263. [0168]
  • Method B: Nematode Test [0169]
  • Infected roots of tomato plants, containing egg masses of Southern root-knot nematode ([0170] Meloidogyne incognita), were removed from a stock culture and cleaned of soil, and the nematode eggs separated from the root tissue and rinsed with water. Samples of the egg suspension were placed on a fine screen over a receiving bowl, in which the water level was adjusted to be in contact with the screen. From the bowl, juveniles were collected on a fine screen.
  • Soil having 0-1% moisture content was placed in a cup. A stock solution of the test compounds in dimethylsulfoxide was prepared and diluted with water and the solutions thus obtained were applied to the soil at the rates of 250, 500 and 1000 g/ha. After 12-24 hours cucumber seeds were added and the soil and seeds mixed. An aqueous suspension of [0171] Meloidogyne incognita of approximately 300 second stage juveniles (J2) or approximately 2500 eggs was added to the soil. The cup was covered with a vented lid and maintained at 27° C. and 80% relative humidity with a 14 hour photoperiod. Fourteen days later the roots were removed and evaluated for galling on a scale of 1, 3, 4 or 5 (1=severe galling, equal to the untreated control; 3=light galling; 4=very light galling; 5=no galling, complete control). Compounds scoring 3 or more were retested at multiple doses to give an ED3 value (effective dose to provide a 3 gall rating). The following compounds gave a score of 3 or more at a concentration of 1000 g/ha or less, or had an ED3 value of 1000 g/ha or less:
  • 1, 2, 13, 14, 20, 36, 38, 42, 46, 50, 52, 56, 58, 63, 69, 78, 83-85, 92, 98, 103, 121, 137, 140, 143, 152, 154, 156, 158, 167, 172, 178, 181, 185, 196, 206, 220, 222, 250, 254, 257 and 258. [0172]
  • Method C: [0173] Aedes aegyptii Test
  • Aqueous solution of [0174] Aedes aegyptii larvae were added to solutions containing known amounts of the test compounds in water containing <10% of dimethylsulfoxide and kept at 20° C. for 24 hours. The containers were tapped gently to stimulate the larval swimming response, and where little response to stimuli was observed the time since treatment was recorded. The ratings were 1=inactive, 3=moderately active, reduced swimming with 30-70% mortality, and 5=very active, little to no response to stimuli. The following compounds gave a score of 3 or more at a concentration of 100 ppm or less:
  • 2-16, 20-25, 27, 28, 30-34, 36, 37, 39-41, 43-45, 47, 48, 51-54, 56, 57, 59, 62, 66, 69, 71, 73, 75-77, 83, 85, 86, 89, 91, 110-112, 118, 120, 122, 127-129, 132, 136, 137, 140, 141, 146, 149, 153, 155, 157, 166, 170, 173, 174, 176, 177, 179, 180, 183-185, 188-194, 196, 200, 206, 216, 233-235, 237, 238, 245 and 249. [0175]
  • Method D: [0176] Musca domestica Test
  • Aqueous sugar solutions (40%) were added to samples of known amounts of test compounds in dimethylsulfoxide solutions. Four [0177] Musca domestica pupae were then added to each sample and kept until the flies had emerged. Each test sample was rated as follows: 1=0-1 flies dead, 3=2-3 flies dead, 5=4 flies dead. The following compounds gave a score of 3 or more:
  • 2-4, 6, 12, 13, 20, 34, 37, 51, 76, 83, 106, 110, 112, 118, 125, 140, 141, 146, 149, 153, 185, 189, 194-197, 199, 200, 204, 206-215, 233 and 258. [0178]
  • Method E: [0179] Caenorhabdits elegans Test
  • Aqueous solutions of mixed life stages of [0180] Caenorhabdits elegans (free living nematode) were added to solutions containing known amounts of the test compounds in water containing <1% of dimethylsulfoxide and kept at 20° C. for 6 or 7 days. Visual assessment was then made, rating the population size and behavior. The ratings were 1=inactive, large population increase and behavior similar to control; 3=moderately active, population as many or slightly more and slow motion; 4=active, population no to little increase and little movement; and 5=very active, population no increase and no or little motion. The following compounds gave a score of 3 or more at a concentration of 100 ppm or less:
  • 5, 11, 15, 21-24, 28, 30, 33, 36, 39, 40, 43-45, 47, 48, 52-54, 56-66, 68-72, 74, 77, 79, 84-86, 89, 91, 97, 99, 103, 105, 106, 108, 112, 117, 120, 122, 125, 127-129, 142, 145, 146, 148, 151, 160, 163, 165, 168, 169, 176, 193-195, 198, 199, 201-203, 209, 217, 218, 236, 237, 245, 249, 259, 266 and 267. [0181]
  • While the invention has been described in terms of various preferred embodiments, the skilled artisan will appreciate that various modifications, substitutions, omissions, and changes may be made without departing from the spirit thereof. Accordingly, it is intended that the scope of the present invention be limited solely by the scope of the following claims, including equivalents thereof. [0182]

Claims (78)

What is claimed is:
1. A compound of the formula (I):
Figure US20010053854A1-20011220-C00008
wherein:
Q is a group (A1) or (A2):
Figure US20010053854A1-20011220-C00009
W is N or CR6;
—X1—X2—X3— is —CF2CF2O—, —CF2OCF2— or —OCF2O—;
R1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkylalkyl or —(CH2)mR7; or R1 is naphthyl optionally substituted by alkyl, haloalkyl, halogen, NO2, alkoxy, haloalkoxy or R8S(O)p;
R2 is hydrogen, halogen or optionally substituted amino;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen or haloalkyl;
R5 is hydrogen, halogen, haloalkyl, haloalkoxy, —S(O)pCF3 or SF5;
R7 is phenyl or a five to seven membered heteroaromatic ring having from one to four heteroatoms which are the same or different and are selected from the group consisting of nitrogen, oxygen and sulfur, which ring is optionally substituted by R9;
R8 is alkyl or haloalkyl;
R9 is alkyl, haloalkyl, halogen, CN, NO2, R10O, R8S(O)p, C(O)R8, C(O)OR10 or NR10R11; or when R7 is phenyl two adjacent R9 groups together form a —CF2OCF2— or —OCF2O— group;
R10 and R11 are each independently hydrogen, alkyl or haloalkyl; and
m, n and p each independently have the value zero, one or two;
or an agriculturally acceptable salt thereof.
2. A compound of the formula (I):
Figure US20010053854A1-20011220-C00010
wherein:
Q is a group (A1) or (A2):
Figure US20010053854A1-20011220-C00011
W is N or CR6;
—X1—X2—X3— is —CF2CF2O—, —CF2OCF2— or —OCF2O—;
R1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkylalkyl or —(CH2)mR7; or R1 is naphthyl optionally substituted by alkyl, haloalkyl, halogen, NO2, alkoxy, haloalkoxy or R8S(O)p;
R2 is —NR12R13 or —N═C(R10)(R14);
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen or haloalkyl;
R5 is hydrogen, halogen, haloalkyl, haloalkoxy, —S(O)pCF3 or SF5;
R7 is phenyl or a five to seven membered heteroaromatic ring having from one to four heteroatoms which are the same or different and are selected from the group consisting of nitrogen, oxygen and sulfur, which ring is optionally substituted by R9;
R8 is alkyl or haloalkyl;
R9 is alkyl, haloalkyl, halogen, CN, NO2, R10O, R8S(O)p, C(O)R8, C(O)OR10 or NR10R11; or when R7 is phenyl two adjacent R9 groups together form a —CF2OCF2— or —OCF2O— group;
R10 and Rll are each independently hydrogen, alkyl or haloalkyl;
m, n and p each independently have the value zero, one or two;
R12 and R13 are independently selected from the group consisting of hydrogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, —C(O)R15 and C(O)OR15; or R12 and R13 are joined together forming a divalent radical having 4 to 6 atoms in the chain, said divalent radical being alkylene, alkyleneoxyalkylene or alkyleneaminoalkylene;
R14 is alkoxy or haloalkoxy; or R14 is phenyl optionally substituted by alkyl, haloalkyl, hydroxy, halogen, alkoxy, —S(O)pR8 or CN; and
R15 is alkenyl, haloalkenyl, alkynyl or haloalkynyl; or R15 is alkyl optionally substituted by halogen, alkoxy, C(O)R8, C(O)OR10, CN, —S(O)pR8, or CONR10R11;
or an agriculturally acceptable salt thereof.
3. A compound according to
claim 1
, wherein R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl.
4. A compound according to
claim 2
, wherein R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl.
5. A compound according to
claim 1
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
6. A compound according to
claim 2
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
7. A compound according to
claim 3
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
8. A compound according to
claim 4
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
9. A compound according to
claim 2
, wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
10. A compound according to
claim 4
, wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
11. A compound according to
claim 6
, wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
12. A compound according to
claim 1
, wherein n is 1 or 2.
13. A compound according to
claim 2
, wherein n is 1 or 2.
14. A compound according to
claim 3
, wherein n is 1 or 2.
15. A compound according to
claim 4
, wherein n is 1 or 2.
16. A compound according to
claim 5
, wherein n is 1 or 2.
17. A compound according to
claim 5
, wherein n is 1 or 2.
18. A compound according to
claim 6
, wherein n is 1 or 2.
19. A compound according to
claim 7
, wherein n is 1 or 2.
20. A compound of the formula (I):
Figure US20010053854A1-20011220-C00012
wherein:
Q is a group (A1):
Figure US20010053854A1-20011220-C00013
W is N or CR6;
R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl;
R2 is NR12R13 or —N═CHR14;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen and R5 is halogen, CF3, OCF3 or SF5; or R4 is CF3 and R5 is hydrogen;
R12 is hydrogen, alkyl or —C(O)R15;
R13 is hydrogen or alkyl;
R14 is alkoxy;
R15 is alkyl; and
n is zero, one or two;
or an agriculturally acceptable salt thereof.
21. A compound of the formula (I):
Figure US20010053854A1-20011220-C00014
wherein:
Q is a group (A1):
Figure US20010053854A1-20011220-C00015
W is N or CR6;
R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl;
R2 is NR12R13 or —N═CHR14;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen and R5 is halogen, CF3, OCF3 or SF5; or R4 is CF3 and R5 is hydrogen;
R12 is hydrogen, alkyl or —C(O)R15;
R13 is hydrogen or alkyl;
R14 is alkoxy;
R15 is alkyl; and
n is one or two;
or an agriculturally acceptable salt thereof.
22. A compound according to
claim 21
, wherein:
W is CR6;
R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl;
R2 is NR12R13 or —N═CHR14;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen and R5 is halogen, CF3, OCF3 or SF5; or R4 is CF3 and R5 is hydrogen;
R12 is hydrogen, alkyl or —C(O)R15;
R13 is hydrogen or alkyl;
R14 is alkoxy;
R15 is alkyl; and
n is one or two;
or an agriculturally acceptable salt thereof.
23. A pesticidal composition comprising a pesticidally effective amount of a compound as claimed in
claim 1
and at least one member selected from the group consisting of an agriculturally acceptable carrier and an agriculturally acceptable surface-active agent.
24. A pesticidal composition comprising a pesticidally effective amount of a compound as claimed in
claim 2
and at least one member selected from the group consisting of an agriculturally acceptable carrier and an agriculturally acceptable surface-active agent.
25. A pesticidal composition comprising a pesticidally effective amount of a compound as claimed in
claim 20
and at least one member selected from the group consisting of an agriculturally acceptable carrier and an agriculturally acceptable surface-active agent.
26. A pesticidal composition comprising a pesticidally effective amount of a compound as claimed in
claim 21
and at least one member selected from the group consisting of an agriculturally acceptable carrier and an agriculturally acceptable surface-active agent.
27. A pesticidal composition comprising a pesticidally effective amount of a compound as claimed in
claim 22
and at least one member selected from the group consisting of an agriculturally acceptable carrier and an agriculturally acceptable surface-active agent.
28. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a compound of the formula (I):
Figure US20010053854A1-20011220-C00016
wherein:
Q is a group (A1) or (A2):
Figure US20010053854A1-20011220-C00017
W is N or CR6;
—X1—X2—X3— is —CF2CF2O—, —CF2OCF2— or —OCF2O—;
R1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkylalkyl or —(CH2)mR7; or R1 is naphthyl optionally substituted by alkyl, haloalkyl, halogen, NO2, alkoxy, haloalkoxy or R8S(O)p;
R2 is hydrogen, halogen or optionally substituted amino;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen or haloalkyl;
R5 is hydrogen, halogen, haloalkyl, haloalkoxy, —S(O)pCF3 or SF5;
R7 is phenyl or a five to seven membered heteroaromatic ring having from one to four heteroatoms which are the same or different and are selected from the group consisting of nitrogen, oxygen and sulfur, which ring is optionally substituted by R9;
R8 is alkyl or haloalkyl;
R9 is alkyl, haloalkyl, halogen, CN, NO2, R10O, R8S(O)p, C(O)R8, C(O)OR10 or NR10R11; or when R7 is phenyl two adjacent R9 groups together form a —CF2OCF2— or —OCF2O— group;
R10 and R11 are each independently hydrogen, alkyl or haloalkyl; and
m, n and p each independently have the value zero, one or two;
or an agriculturally acceptable salt thereof.
29. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a compound of the formula (I):
Figure US20010053854A1-20011220-C00018
wherein:
Q is a group (A1) or (A2):
Figure US20010053854A1-20011220-C00019
W is N or CR6;
—X1—X2—X3— is —CF2CF2O—, —CF2OCF2— or —OCF2O—;
R1 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, cycloalkylalkyl or —(CH2)mR7; or R1 is naphthyl optionally substituted by alkyl, haloalkyl, halogen, NO2, alkoxy, haloalkoxy or R8S(O)p;
R2 is —NR12R13 or —N═C(R10)(R14);
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen or haloalkyl;
R5 is hydrogen, halogen, haloalkyl, haloalkoxy, —S(O)pCF3 or SF5;
R7 is phenyl or a five to seven membered heteroaromatic ring having from one to four heteroatoms which are the same or different and are selected from the group consisting of nitrogen, oxygen and sulfur, which ring is optionally substituted by R9;
R8 is alkyl or haloalkyl;
R9 is alkyl, haloalkyl, halogen, CN, NO2, R10O, R8S(O)p, C(O)R8, C(O)OR10 or NR10R11; or when R7 is phenyl two adjacent R9 groups together form a —CF2OCF2— or —OCF2O— group;
R10 and R11 are each independently hydrogen, alkyl or haloalkyl;
m, n and p each independently have the value zero, one or two;
R12 and R13 are independently selected from the group consisting of hydrogen, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, —C(O)R15 and C(O)OR15; or R12 and R13 are joined together forming a divalent radical having 4 to 6 atoms in the chain, said divalent radical being alkylene, alkyleneoxyalkylene or alkyleneaminoalkylene;
R14 is alkoxy or haloalkoxy; or R14 is phenyl optionally substituted by alkyl, haloalkyl, hydroxy, halogen, alkoxy, —S(O)pR8 or CN; and
R15 is alkenyl, haloalkenyl, alkynyl or haloalkynyl; or R15 is alkyl optionally substituted by halogen, alkoxy, C(O)R8, C(O)OR10, CN, —S(O)pR8 or CONR10R11;
or an agriculturally acceptable salt thereof.
30. A method according to
claim 28
, wherein R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl.
31. A method according to
claim 29
, wherein R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl.
32. A method according to
claim 28
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
33. A method according to
claim 29
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
34. A method according to
claim 30
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
35. A method according to
claim 31
, wherein Q is a group (A1) wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is hydrogen; and R5 is halogen, CF3, OCF3 or SF5; or wherein:
W is N or CR6; R3 and R6 are each independently hydrogen or halogen; R4 is CF3; and R5 is hydrogen.
36. A method according to
claim 29
, wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
37. A method according to
claim 31
, wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
38. A method according to
claim 33
, wherein R12 is hydrogen, alkyl or —C(O)R15; R13 is hydrogen or alkyl; R10 is hydrogen; R14 is alkoxy; and R15 is alkyl.
39. A method according to
claim 28
, wherein n is 1 or 2.
40. A method according to
claim 29
, wherein n is 1 or 2.
41. A method according to
claim 30
, wherein n is 1 or 2.
42. A method according to
claim 31
, wherein n is 1 or 2.
43. A method according to
claim 32
, wherein n is 1 or 2.
44. A method according to
claim 33
, wherein n is 1 or 2.
45. A method according to
claim 34
, wherein n is 1 or 2.
46. A method according to
claim 35
, wherein n is 1 or 2.
47. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a compound of the formula (I):
Figure US20010053854A1-20011220-C00020
wherein:
Q is a group (A1):
Figure US20010053854A1-20011220-C00021
W is Nor CR6;
R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl;
R2 is NR12R13 or —N═CHR14;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen and R5 is halogen, CF3, OCF3 or SF5; or R4 is CF3 and R5 is hydrogen;
R12 is hydrogen, alkyl or —C(O)R15;
R13 is hydrogen or alkyl;
R14 is alkoxy;
R15 is alkyl; and
n is zero, one or two;
or an agriculturally acceptable salt thereof.
48. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a compound of the formula (I):
Figure US20010053854A1-20011220-C00022
wherein:
Q is a group (A1):
Figure US20010053854A1-20011220-C00023
W is N or CR6;
R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; or R1 is pyridyl optionally substituted by halogen or haloalkyl; or R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl;
R2 is NR12R13 or —N═CHR14;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen and R5 is halogen, CF3, OCF3 or SF5; or R4 is CF3 and R5 is hydrogen;
R12 is hydrogen, alkyl or —C(O)R15;
R13 is hydrogen or alkyl;
R14 is alkoxy;
R15 is alkyl; and
n is one or two;
or an agriculturally acceptable salt thereof.
49. A method according to
claim 48
, wherein:
W is CR6;
R1 is alkyl, haloalkyl, cycloalkyl or naphthyl; or R1 is phenyl optionally substituted by halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or NO2; R1 is —CH2R7 wherein R7 is phenyl optionally substituted by halogen, alkyl or alkoxy; or R1 is —CH2CH2R7 wherein R7 is phenyl;
R2 is NR12R13 or —N═CHR14;
R3 and R6 are each independently hydrogen or halogen;
R4 is hydrogen and R5 is halogen, CF3, OCF3 or SF5; or R4 is CF3 and R5 is hydrogen;
R12 is hydrogen, alkyl or —C(O)R15;
R13 is hydrogen or alkyl;
R14 is alkoxy;
R15 is alkyl; and
n is one or two;
or an agriculturally acceptable salt thereof.
50. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a pesticidal composition as claimed in
claim 23
.
51. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a pesticidal composition as claimed in
claim 24
.
52. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a pesticidal composition as claimed in
claim 25
.
53. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a pesticidal composition as claimed in
claim 26
.
54. A method for the control of pests at a locus, said method comprising applying to said locus a pesticidally effective amount of a pesticidal composition as claimed in
claim 27
.
55. A method according to
claim 28
, wherein the locus is an area used, or to be used, for the growing of plants and wherein said compound is applied to said locus at an application rate of from about 2 g/ha to about 5 kg/ha.
56. A method according to
claim 29
, wherein the locus is an area used, or to be used, for the growing of plants and wherein said compound is applied to said locus at an application rate of from about 2 g/ha to about 5 kg/ha.
57. A method according to
claim 47
, wherein the locus is an area used, or to be used, for the growing of plants and wherein said compound is applied to said locus at an application rate of from about 2 g/ha to about 5 kg/ha.
58. A method according to
claim 48
, wherein the locus is an area used, or to be used, for the growing of plants and wherein said compound is applied to said locus at an application rate of from about 2 g/ha to about 5 kg/ha.
59. A method according to
claim 49
, wherein the locus is an area used, or to be used, for the growing of plants and wherein said compound is applied to said locus at an application rate of from about 2 g/ha to about 5 kg/ha.
60. A plant seed, treated or coated with a pesticidally effective amount of a compound as claimed in
claim 1
.
61. A plant seed, treated or coated with a pesticidally effective amount of a compound as claimed in
claim 2
.
62. A plant seed, treated or coated with a pesticidally effective amount of a compound as claimed in
claim 20
.
63. A plant seed, treated or coated with a pesticidally effective amount of a compound as claimed in
claim 21
.
64. A plant seed, treated or coated with a pesticidally effective amount of a compound as claimed in
claim 22
.
65. A plant seed, treated or coated with a pesticidally effective amount of a pesticidal composition as claimed in
claim 23
.
66. A plant seed, treated or coated with a pesticidally effective amount of a pesticidal composition as claimed in
claim 24
.
67. A plant seed, treated or coated with a pesticidally effective amount of a pesticidal composition as claimed in
claim 25
.
68. A plant seed, treated or coated with a pesticidally effective amount of a pesticidal composition as claimed in
claim 26
.
69. A plant seed, treated or coated with a pesticidally effective amount of a pesticidal composition as claimed in
claim 27
.
70. A veterinary composition comprising a pesticidally effective, veterinarily acceptable amount of a compound as claimed in
claim 1
and at least one member selected from the group consisting of a veterinarily acceptable carrier and a veterinarily acceptable surface-active agent.
71. A veterinary composition comprising a pesticidally effective, veterinarily acceptable amount of a compound as claimed in
claim 2
and at least one member selected from the group consisting of a veterinarily acceptable carrier and a veterinarily acceptable surface-active agent.
72. A veterinary composition comprising a pesticidally effective, veterinarily acceptable amount of a compound as claimed in
claim 20
and at least one member selected from the group consisting of a veterinarily acceptable carrier and a veterinarily acceptable surface-active agent.
73. A veterinary composition comprising a pesticidally effective, veterinarily acceptable amount of a compound as claimed in
claim 21
and at least one member selected from the group consisting of a veterinarily acceptable carrier and a veterinarily acceptable surface-active agent.
74. A veterinary composition comprising a pesticidally effective, veterinarily acceptable amount of a compound as claimed in
claim 22
and at least one member selected from the group consisting of a veterinarily acceptable carrier and a veterinarily acceptable surface-active agent.
75. A process for the preparation of a compound as claimed in
claim 1
, said process comprising reacting a compound of the formula (II):
Figure US20010053854A1-20011220-C00024
wherein R2 and Q are defined as in
claim 1
, with a thiol of the formula (III):
R1SH  (III)
wherein R1 is defined as in
claim 1
, in the presence of a Lewis acid, to give a hemithioacetal intermediate of the formula (IV):
Figure US20010053854A1-20011220-C00025
which is optionally isolated; followed by reducing the resultant compound of formula (IV) with a reducing agent; followed by, if desired, oxidizing the resultant compound of formula (I) wherein n is zero, to afford the corresponding compound of formula (I) wherein n is one or two.
76. A process for the preparation of a compound as claimed in
claim 2
, said process comprising reacting a compound of the formula (II):
Figure US20010053854A1-20011220-C00026
wherein R2 and Q are defined as in
claim 2
, with a thiol of the formula (III):
R1SH  (III)
wherein R1 is defined as in
claim 2
, in the presence of a Lewis acid, to give a hemithioacetal intermediate of the formula (IV):
Figure US20010053854A1-20011220-C00027
which is optionally isolated; followed by reducing the resultant compound of formula (IV) with a reducing agent; followed by, if desired, oxidizing the resultant compound of formula (I) wherein n is zero, to afford the corresponding compound of formula (I) wherein n is one or two.
77. A process for the preparation of a compound as claimed in
claim 20
, said process comprising reacting a compound of the formula (II):
Figure US20010053854A1-20011220-C00028
wherein R2 and Q are defined as in
claim 20
, with a thiol of the formula (III):
R1SH  (III)
wherein R1 is defined as in
claim 20
, in the presence of a Lewis acid, to give a hemithioacetal intermediate of the formula (IV):
Figure US20010053854A1-20011220-C00029
which is optionally isolated; followed by reducing the resultant compound of formula (IV) with a reducing agent; followed by, if desired, oxidizing the resultant compound of formula (I) wherein n is zero, to afford the corresponding compound of formula (I) wherein n is one or two.
78. A process for the preparation of a compound as claimed in
claim 21
, said process comprising reacting a compound of the formula (II):
Figure US20010053854A1-20011220-C00030
wherein R2 and Q are defined as in
claim 21
, with a thiol of the formula (III):
R1SH  (III)
wherein R1 is defined as in
claim 21
, in the presence of a Lewis acid, to give a hemithioacetal intermediate of the formula (IV):
Figure US20010053854A1-20011220-C00031
which is optionally isolated; followed by reducing the resultant compound of formula (IV) with a reducing agent; followed by, if desired, oxidizing the resultant compound of formula (I) wherein n is zero, to afford the corresponding compound of formula (I) wherein n is one or two.
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