Novel process for preparing 1-(mercaptomethyl)cyclopropaneacetic acid, a useful intermediate in the preparation of montelukast and salts thereof
申请人:Wang Yanling
公开号:US20070208177A1
公开(公告)日:2007-09-06
The present invention provides a novel montelukast intermediate and a simple and straightforward process for preparing it. According to the present invention, by using this intermediate and the process, essentially as described herein, montelukast acid and salts thereof are obtained.
本发明提供了一种新型的蒙特卢卡斯中间体和一种简单直接的制备方法。根据本发明,通过使用本中间体和所述方法,可以获得蒙特卢卡斯酸及其盐,其基本上如此描述。