发明授权
- 专利标题: Process for the preparation of an intermediate of tadalafil
- 专利标题(中): 制备他达拉非中间体的方法
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申请号: US12666606申请日: 2008-06-28
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公开(公告)号: US08445698B2公开(公告)日: 2013-05-21
- 发明人: Dattatray B. Patil , Killol Patel , Ashok Prasad , Mohan Prasad
- 申请人: Dattatray B. Patil , Killol Patel , Ashok Prasad , Mohan Prasad
- 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
- 国际申请: PCT/IB2008/052609 WO 20080628
- 国际公布: WO2009/004557 WO 20090108
- 主分类号: C07D487/00
- IPC分类号: C07D487/00
摘要:
The present invention relates to a process for the preparation of cis-intermediate of Formula II, which is useful synthetic intermediates in the preparation of tadalafil.
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