Process for preparation of 1-(2s,3s)-2-benzhydryl-n-(5- tert-butyl-2-methoxybenzyl)quinuclidin-3-amine
申请人:Basford Patricia A.
公开号:US20090099364A1
公开(公告)日:2009-04-16
This invention relates to an improved process for the preparation of (2S,3S)-2-benzhydryl-N-(5-tent-butyl-2-methoxybenzyl)quinuclidin-3-amine, (hereinafter “compound of Formula I”) and its pharmaceutically acceptable salts. In particular, the invention is directed to an improved synthesis of the monohydrate citrate salt of the compound of Formula (Ia).
本发明涉及一种改进的制备(2S,3S)-2-苯甲基-N-(5-叔丁基-2-甲氧基苯基)喹诺啉-3-胺(以下简称"公式I化合物")及其药学上可接受的盐的方法。特别地,本发明涉及一种改进的合成公式(Ia)化合物的单水合柠檬酸盐的方法。