WO1994005663A1 - Nouveau derive de l'isoindolinone, sa preparation et les compositions pharmaceutiques qui le contiennent - Google Patents
Nouveau derive de l'isoindolinone, sa preparation et les compositions pharmaceutiques qui le contiennent Download PDFInfo
- Publication number
- WO1994005663A1 WO1994005663A1 PCT/FR1993/000845 FR9300845W WO9405663A1 WO 1994005663 A1 WO1994005663 A1 WO 1994005663A1 FR 9300845 W FR9300845 W FR 9300845W WO 9405663 A1 WO9405663 A1 WO 9405663A1
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- WO
- WIPO (PCT)
- Prior art keywords
- chosen
- hydrocarbons
- process according
- auphatic
- acid
- Prior art date
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/08—Antiepileptics; Anticonvulsants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/20—Hypnotics; Sedatives
Definitions
- the present invention relates to a new derivative of the isoindolinone of formula:
- R represents an alkyl radical containing 1 to 10 carbon atoms optionally substituted by one or more atoms or radicals chosen from halogen atoms and phenyl, hydroxy, amino, alkylamino radicals containing 1 to 4 carbon atoms, dialkoylamino in which each alkyl part contains 1 to 4 carbon atoms or carboxy.
- the product of formula (I) has remarkable anxiolytic, hypnotic, anticonvulsant, antiepileptic and muscle relaxant properties.
- A forms with the pyrrole ring an isoindo- A ring
- Het represents a naphthyridinyl radical substituted by a halogen atom
- Y represents a CO radical
- Rj represents an alkyl radical containing 1 to 10 carbon atoms not substituted or substituted, which have remarkable therapeutic properties.
- Het represents a radical (chloro-7 naphthyridine-1.8 yl) -2
- Y represents a radical CO
- R represents a methyl-3 butyl radical
- the product of general formula (I) can be obtained by esterification of a product of general formula (m) using an acid of general formula:
- R is defined as above, optionally in the form of a halide or anhydride.
- the esterification is generally carried out in the presence of a condensing agent chosen from carbodiimides such as dicyclohexylca ⁇ tx> di_mide or reactive carbonates such as 2-dipyridyl carbonate and d an activating agent chosen from tertiary amines such as dialkoylanilines (dimethylaniline) or aminopyridines (dimethylamino-pyridine or pyrroUdino-4 pyridine) by operating in an organic solvent chosen from ethers such as tetrahydrofuran, diisopropyl ether, methyl tbutyl ether or dioxane, esters like ethyl acetate, nitriles like acetonitrile, aUphatic hydrocarbons like pentane, hexane or heptane, halogenated aUphatic hydrocarbons like dichloromethane, 1-dichloro ,
- a condensing agent chosen from
- the esterification is generally carried out in the presence of an activating agent chosen from tertiary amines such as dialkoylanilines (dimethylaniline ) or the aminopyridines (4-dimethylamino pyridine, 4-pyridino-pyridine) by operating in an organic solvent chosen from ethers such as tetrahydrofuran, diisopropylther, methyl tbutyl ether or dioxane, esters such as ethyl acetate, nitriles such as acetonitrile, aUphatic hydrocarbons such as pentane, liexane or heptane, halogenated aUphatic hydrocarbons such as dichloromethane, 1,2-dichloroethane or chloroform, aromatic hydrocarbons such as benzene, toluene or xylenes, at a temperature
- an activating agent chosen from tertiary amines such as dialkoylan
- the esterification is generally carried out in the presence of a base which is preferably an organic nitrogenous base such as an aUphatic tertiary amine such as triethylamine, pyridine or an aminopyridine such as 4-dimethylamino pyridine or pyrroUdino-4 pyridine, by operating in an inert organic solvent chosen from ethers such as tetrahydrofuran, diisopropyl ether, methyl tbutyl ether or dioxane, nitriles such as acetonitrile, esters such as ethyl acetate, aUphatic hydrocarbons such as pentane , heptane or hexane, halogenated aUphatic hydrocarbons such as dichloromethane, 1,2-dichloroethane or chloroform and aromatic hydrocarbons such as benzene, toluene
- a base which is preferably an organic nitrogenous base such as an
- the product of formula (III), in racemic form can be obtained by hydration of the product of formula: in racemic form.
- organic solvent an ether such as tetra ⁇ hydrofuran or dioxane is preferably used.
- acid a mineral acid such as sulfuric acid is preferably used.
- hydration is carried out at a temperature between 0 and 50 ° C and, preferably, close to 20 ° C.
- the enantiomers of the product of formula (m) can be obtained: - either by separation on an appropriate chiral phase of the enantiomers constituting the product of racemic formula (m),
- the separation of the enantiomers constituting the product of racemic formula (V) is carried out by high performance liquid chromatography on a Pirkle type phase modified by eluting with a suitable solvent such as a hexane-methylene chloride mixture.
- a suitable solvent such as a hexane-methylene chloride mixture.
- the chiral phase use is preferably made of a phase in which the chiral selector, which is preferably 3,5-dinitro-benzoyl-L-leucine, is separated from the silica by an aminoalkanoyl arm containing 3 to 14 fixed carbon atoms. on the amino functions of an aminopropyl silica and of which the free silanol functions are blocked by trialkylsilyl radicals.
- This chiral phase which constitutes another object of the present invention, can be defined by the following structure:
- R ' identical or different
- R 2 identical or different
- G represents an electron-attracting group
- n an integer between 3 and 13 inclusive .
- one of the symbols R ' represents an alkyl radical containing 7 to 10 carbon atoms and the other two represent an alkyl radical containing 1 or 2 carbon atoms and preferably a methyl radical
- the symbols R 2 are identical and represent a methyl or ethyl radical
- G represents a benzoyl radical optionally substituted, preferably, by one or more nitro radicals such as the 3,5-dinitro-benzoyl radical and n is equal to 10.
- the new chiral phase according to the invention can be prepared by action on an aminopropyl silica of the anhydride of an aminoalkanoic acid containing 3 to 14 carbon atoms whose amino function is protected by a protective group such as the tertbutoxycarbonyl radical, followed blocking part of the silanol functions with Si (R ') radicals as defined above, then, after elimination of the protective group for the amino function, of amidification by means of L-leucine, the amino function of which is protected by an electron-withdrawing group G as defined above, and finally by blocking the residual silanol functions with Si (R * 2) 3 radicals as defined above.
- a protective group such as the tertbutoxycarbonyl radical
- the action of the anhydride of a protected aminoalkanoic acid on the aminopropyl site is carried out by operating in an anhydrous organic solvent such as dimethylformamide at a temperature in the region of 20 ° C.
- the blocking of the silanol functions by —Si (R ′) groups as defined above is carried out by the action of a halotrialkylsilane on the aminopropyl silica grafted with aminoalkanoyl residues by operating in a solvent organic such as methylene chloride in the presence of a basic agent such as pyridine.
- the removal of the protective groups from the aminoalkanoyl residues is generally carried out, when the protective group is a tert-butoxycarbonyl radical, by the action of trifluoroacetic acid in an organic solvent such as methylene chloride.
- Amidification by means of L-leucine, the amino function of which is protected, is carried out in the presence of a condensing agent such as N-ethoxycarbonyl 2-ethoxy-1,2-dihydro-quinoline, operating in an anhydrous organic solvent. such as dimethylformamide.
- the blocking of the residual silanol functions by -Si (R ⁇ ) radicals as defined above is generally carried out by means of trialtylsdlylimidazole by operating in an organic solvent such as methylene chloride.
- the product of formula (V) can be obtained by dealkoxycarbonylation of a product of general formula:
- R represents a straight or branched alkyl radical containing 1 to 4 carbon atoms by the action of uthium chloride in an organic solvent such as dimethyl sulfoxide at a temperature between 0 and 50 ° C.
- R is defined as above on chloro-3 (chloro-7 naphthyridin-1,8 yl-2) -2 isoindolinone-1 by operating in the presence of a strong mineral base such as sodium hydride in an anhydrous organic solvent such as dimethylformamide.
- the ester of general formula (VHI) can be obtained under the conditions described by V.B. RAO et al., J. Amer. Chem. Soc., 5732 (1985).
- Chloro-3 (chloro-7 naphthyridine-1,8 yl-2) -2 isoindolinone-1 can be prepared under the conditions described in European patent EP 0274930.
- the product of formula (I), in the form of a racemic and its enantiomers, in particular the dextrorotatory enantiomer, optionally in the form of salts, have particularly advantageous pharmacological properties which make them useful as anxiolytics, hypnotics, anti-convulsants, antiepileptics and muscle relaxant.
- mice In mice, they have been shown to be active at doses generally between 0.05 and 10 mg / kg, and preferably between 0.1 and 5 mgflcg, orally with respect to convulsions induced by pentetrazol according to a technique similar to that of Everett and Richards, J. Pharmacol., £ 402 (1944).
- the new product of formula (I) and its salts have a low toxicity.
- Their LD50 is greater than 300 mg kg orally in mice.
- the new product of formula (I) for medicinal use, use may be made of the new product of formula (I) as it is or in the form of a pharmaceutically acceptable salt, that is to say non-toxic at the doses of use.
- pharmaceutically acceptable salts there may be mentioned the addition salts with mineral acids such as hydrochlorides, sulfates, nitrates, phosphates or organic acids such as acetates, propionates, succinates, benzoates, fumarates, maleates, methanesulfonates, isethionates, theophylline- acetates, saUcylates, phenolphthalein, methylene-bis- ⁇ -oxynaphthoates or substitution derivatives of these compounds.
- the heterogeneous environment obtained is extracted with 2 times 20 cm3 of dichloromethane.
- the combined organic phases are washed successively with 25 cm3 of water, 25 cm3 of a 10% aqueous solution of sodium hydrogencarbonate and 25 cm3 of water, dried over magnesium sulfate and concentrated to dryness under reduced pressure to a temperature close to 40 ° C.
- the residue obtained is purified by chromatography on siUce [eluent: ethyl acetate-cyclohexane- * 4iethylamine (49.9-49.9-0.2 by volume)].
- the fractions containing the expected product are combined and concentrated to dryness under reduced pressure at a temperature in the region of 40 ° C.
- the precipitated soda is separated by filtration, washed successively with 2 times 25 cm 3 of water, 1 time 20 cm 3 of ethanol and 2 times 25 cm 3 of dusopropyl ether. 7.2 g of (chloro-7 naphthyridine-1,8 yl-2) -2 (methyl-5 oxo-2 hexene-5 yl-1) -3 isoindolinone-1 are thus obtained, after air drying. - (RS) melting at 184 ° C.
- the aqueous phase acidified by addition of 25 cm3 of an aqueous solution of IN hydrochloric acid, is extracted with 2 times 200 cm3 of dichloromethane.
- the combined organic phases are washed with 2 times 50 cm3 of water, dried over magnesium sulfate and concentrated to dryness under reduced pressure at 40 ° C.
- the oily residue obtained is purified by sitice chromatography [eluent: ethyl acetate-cyclohexane (30 70 by volume)].
- the fractions containing the expected product are combined and concentrated to dryness under reduced pressure at 40 ° C.
- 6-methyl-3-oxo-heptene-6-ethylate may be prepared according to the method described by V.B. RAO and coU., J. Amer. Chem. Soc., LfiZ, 5732 (1985).
- Chloro-3 (chloro-7 naphthyridine-1,8 yl-2) -2 isoindolinone-1 can be prepared according to the method described in European patent EP 0274930.
- the reaction medium is stirred for 5 hours at a temperature in the region of 50 ° C and then, after returning to a temperature in the region of 25 ° C, washed successively with 15 cm3 of a 2N aqueous solution of sulfuric acid, 15 cm3 of water , 15 cm3 of a 10% aqueous solution of sodium bicarbonate and 15 cm3 of water.
- the organic phase collected is dried over magnesium sulfate and concentrated dry under reduced pressure at a temperature close to 40 ° C.
- the residue obtained is purified by chromatography on silica [eluent: ethyl acetate-cyclohexane-diethylamine (49.9-49.9-0.2 by volume)].
- the reaction medium is stirred for 16 hours at a temperature in the region of 50 ° C and then, after returning to a temperature in the region of 25 ° C, washed successively with 10 cm3 of a 1N aqueous solution of sodium hydroxide and 15 cm3 of water.
- the organic phase collected is dried over magnesium sulphate and concentrated to dryness under reduced pressure at a temperature in the region of 40 ° C.
- the residue obtained is purified by chromatography on silica [eluent: ethyl acetate-cyclohexane-diethylamine (49.9-
- (+) - (7-chloro-naphthyridine-1,8 yl-2) -2 (5-methyl-5-hydroxy-2-oxo-hexyl) -3 isoindolinone-1 can be prepared according to the following method: Starting from 0.86 g of (7-chloro-naphthyridine-1,8 yl-2) -2 (5-methyl-5-hydroxy-2-oxo-hexyl) -3 isoindoUnone-1- (RS), they are separated by Uquide chromatography high-performance on 350 g of support consisting of siCe coated with trisphenylcarbamate of ceUulose prepared according to J. Amer. Chem.
- (+) - (7-chloro-naphthyridine-1,8 yl-2) -2 (5-methyl-2-hydroxy-oxo-hexyl) -3 isoindolinone-1 melting at 178 ° C including the rotary power is [ ⁇ ] ⁇ + 104 ° ⁇ 2 °
- the present invention also relates to the drugs which contain the products of formula (I) in the pure state or in the form of compositions in which they are combined with an adjuvant, a diluent and / or a coating which are compatible and pharmaceutically acceptable.
- These drugs can be used orally, rectally, parenterally or percutaneously.
- compositions for oral administration tablets, pills, powders (generally in gelatin capsules) or granules can be used.
- the active product according to the invention is mixed with one or more inert diluents, such as sucrose, lactose or starch.
- these compositions can also include substances other than diluents, for example a lubricant such as magnesium stearate.
- pharmaceutically acceptable emulsions, solutions, suspensions, syrups and elixirs containing inert diluents such as water or paraffin oil can be used.
- These compositions can also include substances other than diluents, for example wetting, sweetening or flavoring products.
- compositions according to the invention for parenteral administration can be sterile aqueous or non-aqueous solutions, suspensions or emulsions.
- solvent or vehicle propylene glycol, a polyethylene glycol, vegetable oils, in particular olive oil or organic injectable esters, for example ethyl oleate.
- These compositions can also contain adjuvants, in particular wetting agents, emulsifiers and dispersants. Sterilization can be done in several ways, for example using a bacteriological filter, by incorporating sterilizing agents into the composition, by irradiation or by heating. They can also be prepared in the form of sterile solid compositions which can be dissolved at the time of use in sterile water or any other sterile injectable medium.
- compositions for rectal administration are suppositories which may contain, in addition to the active product, excipients such as cocoa butter or suppo-wax.
- compositions for percutaneous administration are creams, pom ⁇ mades, lotions and Uniments, in which the active product is associated with liquid or pasty excipients, preferably in combination with a vehicle promoting percutaneous migration.
- the medicaments and compositions according to the invention are particularly useful in human therapy for their anxiolytic, hypnotic, anticonvulsant, anti-epileptic and muscle relaxant action.
- the doses depend on the desired effect and on the duration of the treatment; They are generally between 10 and 500 mg per day orally for an adult. In general, the doctor will determine the dosage that U considers most appropriate based on age, weight and all other factors specific to the subject to be treated.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6506932A JPH08501292A (ja) | 1992-09-08 | 1993-09-06 | 新規イソインドリノン誘導体,その製造及びそれを含む製薬学的組成物 |
EP93919416A EP0659185A1 (fr) | 1992-09-08 | 1993-09-06 | Nouveau derive de l'isoindolinone, sa preparation et les compositions pharmaceutiques qui le contiennent |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9210689A FR2695389B1 (fr) | 1992-09-08 | 1992-09-08 | Nouveau dérivé de l'isoindolinone, sa préparation et les compositions pharmaceutiques qui le contiennent. |
FR92/10689 | 1992-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994005663A1 true WO1994005663A1 (fr) | 1994-03-17 |
Family
ID=9433289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1993/000845 WO1994005663A1 (fr) | 1992-09-08 | 1993-09-06 | Nouveau derive de l'isoindolinone, sa preparation et les compositions pharmaceutiques qui le contiennent |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0659185A1 (fr) |
JP (1) | JPH08501292A (fr) |
CA (1) | CA2142278A1 (fr) |
FR (1) | FR2695389B1 (fr) |
WO (1) | WO1994005663A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6949653B2 (en) | 2002-03-29 | 2005-09-27 | Indevus Pharmaceuticals, Inc. | Methods for making 2-(7-chloro-1,8-naphthyridine-2-yl)-3-(5-methyl-2-oxo-hexyl)-1-isoindolinone |
US7026332B2 (en) | 2001-04-30 | 2006-04-11 | Indevus Pharmaceuticals, Inc. | Methods of treating obsessive-compulsive disorder |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0174858A1 (fr) * | 1984-09-14 | 1986-03-19 | Takeda Chemical Industries, Ltd. | Dérivés de l'isoindolinone, leur préparation et leur utilisation |
EP0274930A1 (fr) * | 1986-12-02 | 1988-07-20 | Rhone-Poulenc Sante | Dérivés du pyrrole, leur préparation et les compositions pharmaceutiques qui les contiennent |
WO1993016074A1 (fr) * | 1992-02-07 | 1993-08-19 | Rhone-Poulenc Rorer S.A. | Nouveau derive de l'isoindolinone, sa preparation et les compositions pharmaceutiques qui le contiennent |
-
1992
- 1992-09-08 FR FR9210689A patent/FR2695389B1/fr not_active Expired - Fee Related
-
1993
- 1993-09-06 WO PCT/FR1993/000845 patent/WO1994005663A1/fr not_active Application Discontinuation
- 1993-09-06 EP EP93919416A patent/EP0659185A1/fr not_active Withdrawn
- 1993-09-06 CA CA002142278A patent/CA2142278A1/fr not_active Abandoned
- 1993-09-06 JP JP6506932A patent/JPH08501292A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0174858A1 (fr) * | 1984-09-14 | 1986-03-19 | Takeda Chemical Industries, Ltd. | Dérivés de l'isoindolinone, leur préparation et leur utilisation |
EP0274930A1 (fr) * | 1986-12-02 | 1988-07-20 | Rhone-Poulenc Sante | Dérivés du pyrrole, leur préparation et les compositions pharmaceutiques qui les contiennent |
WO1993016074A1 (fr) * | 1992-02-07 | 1993-08-19 | Rhone-Poulenc Rorer S.A. | Nouveau derive de l'isoindolinone, sa preparation et les compositions pharmaceutiques qui le contiennent |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7026332B2 (en) | 2001-04-30 | 2006-04-11 | Indevus Pharmaceuticals, Inc. | Methods of treating obsessive-compulsive disorder |
US7553847B2 (en) | 2001-04-30 | 2009-06-30 | Indevus Pharmaceuticals, Inc. | Use of pagoclone for the treatment of social anxiety disorder |
US6949653B2 (en) | 2002-03-29 | 2005-09-27 | Indevus Pharmaceuticals, Inc. | Methods for making 2-(7-chloro-1,8-naphthyridine-2-yl)-3-(5-methyl-2-oxo-hexyl)-1-isoindolinone |
US7057047B2 (en) | 2002-03-29 | 2006-06-06 | Indevus Pharmaceuticals, Inc. | Methods for making 2-(7-chloro-1,8-naphthyridine-2-yl)-3-(5-methyl-2oxo-hexyl)-1-isoidolinone |
US7304158B2 (en) | 2002-03-29 | 2007-12-04 | Indevus Pharmaceuticals, Inc. | Method for making 2-(7-chloro-1,8-naphthyridine-2-yl)-3-(5-methyl-2-oxo-hexyl)-1-isoindolinone) |
Also Published As
Publication number | Publication date |
---|---|
CA2142278A1 (fr) | 1994-03-17 |
FR2695389A1 (fr) | 1994-03-11 |
JPH08501292A (ja) | 1996-02-13 |
EP0659185A1 (fr) | 1995-06-28 |
FR2695389B1 (fr) | 1994-11-04 |
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