[EN] PROCESS FOR THE PREPARATION OF (S)-1-ALKYL-2',6'-PIPECOLOXYLIDIDE COMPOUND<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN COMPOSÉ (S)-1-ALKYL-2',6'-PIPÉCOLOXYLIDIDE
申请人:PHARMATHEN SA
公开号:WO2009089841A1
公开(公告)日:2009-07-23
The present invention relates to an improved process for the preparation of high chiral purity (S)-1-alkyl-2',6'-Pipecoloxylidide compound such as Ropivacaine, Levobupivacaine or salts thereof, which comprises crystallization of (S)-1-alkyl-2',6'- Pipecoloxylidide acid addition salt in a non-alcoholic and non-ketonic solvent.
本发明涉及一种改进的制备高手性纯度(S)-1-烷基-2',6'-哌考洛啡醚酰胺类化合物,如罗哌卡因、左布比卡因或其盐的方法,包括在非醇类和非酮类溶剂中结晶(S)-1-烷基-2',6'-哌考洛啡醚酰胺酸盐。