发明公开
EP0212617A1 Process for producing 4-biphenylylacetic acid
失效
Verfahren zur Herstellung von 4-Biphenylylessigsäure。
- 专利标题： Process for producing 4-biphenylylacetic acid
- 专利标题（中）： Verfahren zur Herstellung von 4-Biphenylylessigsäure。
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申请号： EP86111429.6申请日： 1986-08-19
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公开(公告)号： EP0212617A1公开(公告)日： 1987-03-04
- 发明人: Shimada, Osamu , Aoyagi, Sakae , Nagase, Yunosuke
- 申请人： LEDERLE (JAPAN) LTD.
- 申请人地址： Hattori Bldg., 5th Floor 10-3 Kyobashi 1-chome Chuo-ku Tokyo JP
- 专利权人： LEDERLE (JAPAN) LTD.
- 当前专利权人： LEDERLE (JAPAN) LTD.
- 当前专利权人地址： Hattori Bldg., 5th Floor 10-3 Kyobashi 1-chome Chuo-ku Tokyo JP
- 代理机构： Kraus, Walter, Dr.
- 优先权： JP184084/85 19850823; JP184085/85 19850823
- 主分类号： C07C57/38
- IPC分类号： C07C57/38 ; C07C51/00 ; C07D233/00 ; C07D277/34 ; C07D277/36 ; C07D263/42
摘要：
Novel and improved simple process for producing 4-biphenylylacetic acid or its salt useful as an antiinflammatory and analgesic agent. The process starts from 4-biphenylylaldehyde und goes through a compond of the formula
or
wherein R represents a substituted or unsubstituted phenyl or lower alkyl group, R 1 represents a hydrogen atom, a lower alkyl group or a carboxy-lower alkyl group, X represents an oxygen or sulfur atom and Y represents a sulfur atom or -NH-.
or
wherein R represents a substituted or unsubstituted phenyl or lower alkyl group, R 1 represents a hydrogen atom, a lower alkyl group or a carboxy-lower alkyl group, X represents an oxygen or sulfur atom and Y represents a sulfur atom or -NH-.
公开/授权文献
- EP0212617B1 Process for producing 4-biphenylylacetic acid 公开/授权日：1989-01-11
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