Process for preparation of enantiomerically pure S-(+)-N, N-dimethyl-a-[2-(naphthalenyloxy)ethyl] benzenemethanamine
申请人:Deva Holding Anonim Sirketi
公开号:EP2749553A1
公开(公告)日:2014-07-02
The present invention relates to improved, efficient process for the preparation of enantiomerically pure S-(+)-N,N-dimethyl-a-[2-(naphthalenyloxy)ethyl] benzenemethanamine and pharmaceutically acid addition salts thereof. The present invention particularly provides a process for preparation of (3S, 4R)-3-hydroxy-1-(4-methoxyphenyl)-4-phenylazetidin-2-one useful as a key intermediate for preparation of (s)-dapoxetine.
本发明涉及一种改进的、高效的制备对映纯的S-(+)-N,N-二甲基-a-[2-(萘氧基)乙基]苯甲胺及其药用酸盐的过程。本发明特别提供了一种制备(3S, 4R)-3-羟基-1-(4-甲氧基苯基)-4-苯基氮杂环丙酮-2-酮的过程,该过程对于制备(s)-达泊西汀是一个关键的中间体。