发明授权
- 专利标题: Preparation of rotamer mixtures of pharmaceutical salts
- 专利标题(中): 制备药用盐的旋转异构体混合物
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申请号: US10305100申请日: 2002-11-26
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公开(公告)号: US06936718B2公开(公告)日: 2005-08-30
- 发明人: Minzhang Chen , Bosco D'sa , William Leong , Suhan Tang
- 申请人: Minzhang Chen , Bosco D'sa , William Leong , Suhan Tang
- 申请人地址: US NJ Kenilworth
- 专利权人: Schering Corporation
- 当前专利权人: Schering Corporation
- 当前专利权人地址: US NJ Kenilworth
- 代理商 Palaiyur S. Kalyanaraman
- 主分类号: A61K31/444
- IPC分类号: A61K31/444 ; A61K31/4545 ; A61P11/06 ; A61P19/02 ; A61P19/06 ; A61P29/00 ; A61P31/18 ; A61P37/08 ; A61P43/00 ; C07D401/14 ; C07D211/54 ; C07D211/30
摘要:
In one embodiment, the present invention discloses a process to directly prepare an unequal ratio of specific, preferred rotamer or rotameric pair of an acid salt from a basic compound, by creative choice of a solvent medium. The process is particularly useful in preparing desired rotamers of pharmaceutically useful salts.
公开/授权文献
- US20030139446A1 Preparation of pharmaceutical salts 公开/授权日:2003-07-24
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