Process for preparing optically active 3-(methylamino)-1-(2-thienyl) propan-1-ol and intermediates for preparation
申请人:Sakai Kenichi
公开号:US20060063943A1
公开(公告)日:2006-03-23
Disclosed is a process for commercial preparation of 3-(methylamino)-1-(2-thienyl)propan-1-ol (hereinafter abbreviated as “MMAA”) of the formula below:
The process is carried out by the diastereomeric salt formation method using optically active mandelic acid or its derivatives, or an optically active tartaric acid derivative as the resolving agent. The product compound, diastereomeric satls, is useful as the intermediate for producing pharmaceuticals, such as duloxetine.
本发明揭示了一种用于商业制备3-(甲氨基)-1-(2-噻吩基)丙醇(以下简称“MMAA”)的过程,其化学式如下:该过程通过使用手性苯乙酸或其衍生物,或手性酒石酸衍生物作为分离剂的对映体盐形成法进行。产物化合物,对映体盐,可用作生产药物(例如度洛西汀)的中间体。