发明授权
- 专利标题: Process for preparing pradofloxacin
- 专利标题(中): 制备普拉多沙星的方法
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申请号: US12442680申请日: 2007-10-07
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公开(公告)号: US08497377B2公开(公告)日: 2013-07-30
- 发明人: Thomas Adam , Ralf Wischnat , Klaus Weidemann
- 申请人: Thomas Adam , Ralf Wischnat , Klaus Weidemann
- 申请人地址: DE
- 专利权人: Bayer Intellectual Property GmbH
- 当前专利权人: Bayer Intellectual Property GmbH
- 当前专利权人地址: DE
- 优先权: DE102006049520 20061020
- 国际申请: PCT/EP2007/008687 WO 20071007
- 国际公布: WO2008/046532 WO 20080424
- 主分类号: C07D471/02
- IPC分类号: C07D471/02
摘要:
The invention relates to an improved process for preparing pradofloxacin, in which the substituent in the 7 position is introduced by nucleophilic substitution in an N-methylpyrrolidone-ethanol solvent mixture.
公开/授权文献
- US20090318700A1 PROCESS FOR PREPARING PRADOFLOXACIN 公开/授权日:2009-12-24
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