发明申请
- 专利标题: PROCESS FOR THE PREPARATION OF ASENAPINE MALEATE
- 专利标题(中): 制备ASENAPINE MALEATE的方法
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申请号: US14233284申请日: 2012-07-17
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公开(公告)号: US20150112083A1公开(公告)日: 2015-04-23
- 发明人: Ram Chander Aryan , Anamika Mishra , Pudi Giri Jagannadha Naidu , Ramnik Sharma
- 申请人: Ram Chander Aryan , Anamika Mishra , Pudi Giri Jagannadha Naidu , Ramnik Sharma
- 申请人地址: IN New Delhi, 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, Delhi
- 优先权: IN2042/DEL/2011 20110720
- 国际申请: PCT/IB2012/053652 WO 20120717
- 主分类号: C07D491/044
- IPC分类号: C07D491/044
摘要:
The present invention provides a process for the preparation of asenapine maleate of Formula (I), comprising: intra-molecular cyclization of the intermediate of Formula (II) to obtain the intermediate of Formula (III) using aluminium halide.
公开/授权文献
- US09145421B2 Process for the preparation of asenapine maleate 公开/授权日:2015-09-29
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