POLYMORPHIC FORM I OF PREGABALIN AND PROCESSES FOR ITS PREPARATION
申请人:Khanduri Has Chandra
公开号:US20060270871A1
公开(公告)日:2006-11-30
The present invention relates to novel polymorphic Form I of pregabalin and processes for its preparation. Further provided is an enantiomerically pure pregabalin or salt thereof having less than about 0.03% w/w of the (R)-(−)-enantiomer.
Provided are processes for the preparation of (3S)-cyano-5-methylhexanoic acid, an intermediate in the synthesis of (S)-pregabalin.
提供了制备(3S)-氰基-5-甲基己酸的过程,它是(S)-pregabalin合成中的中间体。
PREPARATION OF (S)-PREGABALIN-NITRILE
申请人:TEVA PHARMACEUTICAL INDUSTRIES LTD.
公开号:EP1912931A2
公开(公告)日:2008-04-23
[EN] PREPARATION OF (S)-PREGABALIN-NITRILE<br/>[FR] PRÉPARATION DE (S)-PRÉGABALINE NITRILE
申请人:TEVA PHARMA
公开号:WO2007143152A2
公开(公告)日:2007-12-13
[EN] Provided are processes for the preparation of (3S)-cyano-5-methylhexanoic acid, an intermediate in the synthesis of (S)-pregabalin. [FR] La présente invention concerne des procédés pour la préparation d'acide (3S)-cyano-5-méthylhexanoïque, un intermédiaire de synthèse de la (S)-prégabaline.
[EN] PROCESS TO PREPARE HIGHLY PURE (S)-PREGABALIN<br/>[FR] PROCÉDÉ POUR PRÉPARER DE LA (S)-PRÉGABALINE TRÈS PURE