发明申请
- 专利标题: PROCESS FOR THE PREPARATION OF RETIGABINE
- 专利标题(中): 制剂的制备方法
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申请号: US13980210申请日: 2012-01-16
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公开(公告)号: US20130345465A1公开(公告)日: 2013-12-26
- 发明人: Russ N. Fitzgerald , Alan Millar , Jennifer Fell Toczko
- 申请人: Russ N. Fitzgerald , Alan Millar , Jennifer Fell Toczko
- 申请人地址: GB Brentford, Middlesex
- 专利权人: GLAXO GROUP LIMITED
- 当前专利权人: GLAXO GROUP LIMITED
- 当前专利权人地址: GB Brentford, Middlesex
- 优先权: EPPCT/EP2011/050633 20110118
- 国际申请: PCT/EP2012/050559 WO 20120116
- 主分类号: C07C269/06
- IPC分类号: C07C269/06 ; C07C269/04
摘要:
This invention relates to a novel chemical process for the synthesis of 2-ethyoxycarbonylamino-5-(4-fluorobenzylamino)-nitrobenzene and its use in the preparation of 2-amino-4-(4-fluorobenzylamino)-1-ethoxycarbonylaminobenzene (retigabine/ezogabine) and its polymorphic forms thereof.
公开/授权文献
- US09102593B2 Process for the preparation of retigabine 公开/授权日:2015-08-11
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