AN EFFICIENT METHOD FOR PREPARATION OF (S)-3-[(1-DIMETHYL AMINO)ETHYL]-PHENYL-N-ETHYL-N-METHYL-CARBAMATE

The present invention relates to a method for preparation of substituted phenyl carbamate and pharmaceutically acceptable salts thereof, which are of current pharmaceutical interest. The substituted phenyl carbamate and pharmaceutically acceptable salts thereof are useful to raise cholinergic activi...

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Main Authors GHARPURE, MILIND, MORESHWAR, ZOPE, UMESH, REWAJI, MEHTA, SATISH, RAMANLAL, SHAH, VIRAL, BIPINBHAI, BHAWAL, BABURAO, MANIKRAO
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LanguageEnglish
French
Published 11.05.2006
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Abstract The present invention relates to a method for preparation of substituted phenyl carbamate and pharmaceutically acceptable salts thereof, which are of current pharmaceutical interest. The substituted phenyl carbamate and pharmaceutically acceptable salts thereof are useful to raise cholinergic activity in the central nervous system and useful in treatment of diseases such as Alzheimer's disease, Down's syndrome, Huntingdon's chorea, Friedrich's ataxia etc. (S)-3-[(1-dimethyl amino)ethyl]- phenyl-N-ethyl-N-methyl-carbamate (I) is the active ingredient of the pharmaceutical composition referred in US 5,602,176. This compound is also used to induce selective inhibition of acetylcholinesterase activity in the brain. Cette invention concerne un procédé de préparation de phényl carbamate substitué et de sels pharmaceutiquement acceptables de celui-ci, qui présentent actuellement un intérêt pharmaceutique. Le phényl carbamate substitué et les sels pharmaceutiquement acceptables de celui-ci sont utilisés pour augmenter l'activité cholinergique dans le système nerveux central et interviennent dans le traitement de maladies telles que la maladie d'Alzheimer, le syndrome de Down, la chorée de Huntington ou l'ataxie de Friedrich. Le (S)-3-[(1-diméthyl amino)éthyl]- phényl-N-éthyl-N-méthyl-carbamate représenté par la formule (I) constitue l'ingrédient actif de la composition pharmaceutique visée dans US 5 602 176. Ce composé sert également à induire une inhibition sélective de l'activité de l'acétylcholinestérase dans le cerveau.
AbstractList The present invention relates to a method for preparation of substituted phenyl carbamate and pharmaceutically acceptable salts thereof, which are of current pharmaceutical interest. The substituted phenyl carbamate and pharmaceutically acceptable salts thereof are useful to raise cholinergic activity in the central nervous system and useful in treatment of diseases such as Alzheimer's disease, Down's syndrome, Huntingdon's chorea, Friedrich's ataxia etc. (S)-3-[(1-dimethyl amino)ethyl]- phenyl-N-ethyl-N-methyl-carbamate (I) is the active ingredient of the pharmaceutical composition referred in US 5,602,176. This compound is also used to induce selective inhibition of acetylcholinesterase activity in the brain. Cette invention concerne un procédé de préparation de phényl carbamate substitué et de sels pharmaceutiquement acceptables de celui-ci, qui présentent actuellement un intérêt pharmaceutique. Le phényl carbamate substitué et les sels pharmaceutiquement acceptables de celui-ci sont utilisés pour augmenter l'activité cholinergique dans le système nerveux central et interviennent dans le traitement de maladies telles que la maladie d'Alzheimer, le syndrome de Down, la chorée de Huntington ou l'ataxie de Friedrich. Le (S)-3-[(1-diméthyl amino)éthyl]- phényl-N-éthyl-N-méthyl-carbamate représenté par la formule (I) constitue l'ingrédient actif de la composition pharmaceutique visée dans US 5 602 176. Ce composé sert également à induire une inhibition sélective de l'activité de l'acétylcholinestérase dans le cerveau.
Author ZOPE, UMESH, REWAJI
GHARPURE, MILIND, MORESHWAR
SHAH, VIRAL, BIPINBHAI
BHAWAL, BABURAO, MANIKRAO
MEHTA, SATISH, RAMANLAL
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GHARPURE, MILIND, MORESHWAR
SHAH, VIRAL, BIPINBHAI
EMCURE PHARMACEUTICALS LIMITED
BHAWAL, BABURAO, MANIKRAO
MEHTA, SATISH, RAMANLAL
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Snippet The present invention relates to a method for preparation of substituted phenyl carbamate and pharmaceutically acceptable salts thereof, which are of current...
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CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
Title AN EFFICIENT METHOD FOR PREPARATION OF (S)-3-[(1-DIMETHYL AMINO)ETHYL]-PHENYL-N-ETHYL-N-METHYL-CARBAMATE
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