申请人:Ini Santiago
公开号:US20080207923A1
公开(公告)日:2008-08-28
(S)—N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine maleate (DNT-maleate) and polymorphs of DNT-maleate, compositions of DNT-maleate and its polymorphs, processes for the preparation of DNT-maleate and its polymorphs, and processes for the preparation of duloxetine hydrochloride from DNT-maleate are provided. Processes for preparing chemically pure duloxetine and chemically pure duloxetine intermediates are also provided. In addition, chemically pure DNT and salts thereof are provided.
提供了(S)-N,N-二甲基-3-(1-萘氧基)-3-(2-噻吩基)丙胺鹽酸鹽(DNT-鹽酸鹽)及其多晶形態,DNT-鹽酸鹽及其多晶形態的組成,製備DNT-鹽酸鹽及其多晶形態的方法,以及從DNT-鹽酸鹽製備度洛西汀鹽酸鹽的方法。還提供了製備化學純度度洛西汀和化學純度度洛西汀中間體的方法。此外,還提供了化學純度DNT及其鹽酸鹽。