Nothing Special   »   [go: up one dir, main page]

Zeng et al., 2016 - Google Patents

A simple and highly diasteroselective approach for the vicinal dichlorination of functional olefins

Zeng et al., 2016

Document ID
8896438784804711371
Author
Zeng X
Gong C
Zhang J
Xie J
Publication year
Publication venue
RSC advances

External Links

Snippet

Organocatalytic stereospecific vicinal dicholorination of a wide variety of functionalized olefins such as ketoesters, esters, ketones, carvone, cholesterol and ethyl sorbate (27 examples) was achieved using inexpensive sulfuryl chloride as well as a simple phosphine …
Continue reading at pubs.rsc.org (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom 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
    • C07D307/58—One oxygen atom, e.g. butenolide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans 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 carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes unsubstituted on the hetero ring

Similar Documents

Publication Publication Date Title
Inamoto et al. A copper-based catalytic system for carboxylation of terminal alkynes: synthesis of alkyl 2-alkynoates
Hu et al. [4+ 3] Cycloaddition of in situ generated azoalkenes with C, N-cyclic azomethine imines: efficient synthesis of tetrazepine derivatives
Yu et al. An Indoxyl‐Based Strategy for the Synthesis of Indolines and Indolenines
Shaabani et al. Synthesis of fully substituted naphthyridines: a novel domino four-component reaction in a deep eutectic solvent system based on choline chloride/urea
Zeng et al. A simple and highly diasteroselective approach for the vicinal dichlorination of functional olefins
Zhang et al. Atom recombination of difluorocarbene enables 3-fluorinated oxindoles from 2-aminoarylketones
Rout et al. An asymmetric vinylogous Mukaiyama–Michael reaction of α, β-unsaturated 2-acyl imidazoles catalyzed by chiral Sc (III)–or Er (III)–pybox complexes
Huang et al. Enantioselective 6-endo bromoaminocyclization of 2, 4-dienyl N-tosylcarbamates catalyzed by a chiral phosphine oxide-Sc (OTf) 3 complex. A dramatic additive effect
Wang et al. Synthesis of 3-(((2, 3-dihydrobenzofuran-3-yl) methyl) sulfonyl) coumarins through the reaction of 2-(allyloxy) anilines, sulfur dioxide, and aryl propiolates
Yu et al. DBU-catalyzed tandem additions of electron-deficient 1, 3-conjugated enynes with 2-aminomalonates: a facile access to highly substituted 2-pyrrolines
Wang et al. Regioselective 5-exo-dig oxy-cyclization of 2-alkynylbenzamide for the synthesis of isobenzofuran-1-imines and isobenzofuran
Liu et al. Bistrifluoromethylated organocuprate [Ph 4 P]+[Cu (CF 3) 2]−: synthesis, characterization and its application for trifluoromethylation of activated heteroaryl bromides, chlorides and iodides
Wei et al. Metal-free synthesis of isatin oximes via radical coupling reactions of oxindoles with t-BuONO in water
Wang et al. Construction of fused-and spiro-oxa-[n. 2.1] skeletons by a tandem epoxide rearrangement/intramolecular [3+ 2] cycloaddition of cyclopropanes with carbonyls
CN104447599A (en) Tetrazole heterocyclic compound and preparation method thereof
Yang et al. A method for accessing sulfanylfurans from homopropargylic alcohols and sulfonyl hydrazides
Li et al. Metal-free photocatalyzed cross coupling of aryl (heteroaryl) bromides with isonitriles
Zhao et al. Highly enantioselective intramolecular Rauhut–Currier reaction catalyzed by chiral thiourea–phosphine
Luo et al. Copper-catalyzed α-aminoxylation of 1, 3-dicarbonyl compounds with 2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO) via an aerobic oxidative sp3 C–H bond activation
Han et al. Access to CF3‐Containing Cyclopentaquinolinone Derivatives from Indolyl‐ynones via Silver‐Catalyzed One‐pot Reaction
Wang et al. (4+ 2) cyclization of aza-o-quinone methides with azlactones: construction of biologically important dihydroquinolinone frameworks
Sun et al. An organocatalytic hydroalkoxylation/Claisen rearrangement/Michael addition tandem sequence: Divergent synthesis of multi-substituted 2, 3-dihydrofurans and 2, 3-dihydropyrroles from cyanohydrins
Yuan et al. A bicyclization reaction with two molecular allenyl ketones and isocyanides: synthesis of a lactone-containing azaspirocycle derivative
Feng et al. Iridium-catalyzed asymmetric hydrogenation of quinazolinones
Zhou et al. DMAP-catalyzed Diels–Alder reaction of 3-hydroxy-2-pyrone and methyleneindolinones for the synthesis of spirocyclic oxindoles