发明申请
US20090099364A1 Process for preparation of 1-(2s,3s)-2-benzhydryl-n-(5- tert-butyl-2-methoxybenzyl)quinuclidin-3-amine
审中-公开
1-(2s,3s)-2-二苯甲基 - 正 - (5-叔丁基-2-甲氧基苄基)奎宁环-3-胺的制备方法
- 专利标题: Process for preparation of 1-(2s,3s)-2-benzhydryl-n-(5- tert-butyl-2-methoxybenzyl)quinuclidin-3-amine
- 专利标题(中): 1-(2s,3s)-2-二苯甲基 - 正 - (5-叔丁基-2-甲氧基苄基)奎宁环-3-胺的制备方法
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申请号: US10588049申请日: 2005-01-26
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公开(公告)号: US20090099364A1公开(公告)日: 2009-04-16
- 发明人: Patricia A. Basford , Ronald J. Post , Julina D. Smith , Geraldine P. Taber
- 申请人: Patricia A. Basford , Ronald J. Post , Julina D. Smith , Geraldine P. Taber
- 专利权人: Pfizer Inc.
- 当前专利权人: Pfizer Inc.
- 国际申请: PCT/IB05/00221 WO 20050126
- 主分类号: C07D453/02
- IPC分类号: C07D453/02
摘要:
This invention relates to an improved process for the preparation of (2S,3S)-2-benzhydryl-N-(5-tent-butyl-2-methoxybenzyl)quinuclidin-3-amine, (hereinafter “compound of Formula I”) and its pharmaceutically acceptable salts. In particular, the invention is directed to an improved synthesis of the monohydrate citrate salt of the compound of Formula (Ia).
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