发明申请
- 专利标题： PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF TADALAFIL
- 专利标题（中）： 制备TADALAFIL中间体的方法
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申请号： US13860262申请日： 2013-04-10
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公开(公告)号： US20140142309A1公开(公告)日： 2014-05-22
- 发明人: Dattatray B. PATIL , Killol Patel , Ashok Prasad , Mohan Prasad
- 申请人： RANBAXY LABORATORIES LIMITED
- 申请人地址： IN New Delhi
- 专利权人： RANBAXY LABORATORIES LIMITED
- 当前专利权人： RANBAXY LABORATORIES LIMITED
- 当前专利权人地址： IN New Delhi
- 优先权： IN1402/DEL/2007 20070629
- 主分类号： C07D471/14
- IPC分类号： C07D471/14
摘要：
The present invention relates to a process for the preparation of a cis-intermediate compound of Formula II which is a useful synthetic intermediate for the preparation of tadalafil of Formula I—a potent, selective, and reversible inhibitor of cyclic guanosine 3′,5′-monophosphate specific phosphodiesterase type 5 enzyme having phosphodiesterase inhibitory activity.
公开/授权文献
- US08871932B2 Process for the preparation of tadalafil 公开/授权日：2014-10-28
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