发明公开
EP0649849A1 Process for the preparation of cephalosporins
失效
Verfahren zur Herstellung von Cephalosporinen。
- 专利标题: Process for the preparation of cephalosporins
- 专利标题(中): Verfahren zur Herstellung von Cephalosporinen。
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申请号: EP94116660.5申请日: 1994-10-21
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公开(公告)号: EP0649849A1公开(公告)日: 1995-04-26
- 发明人: Danklmaier, Johann
- 申请人: BIOCHEMIE GESELLSCHAFT M.B.H.
- 申请人地址: A-6250 Kundl AT
- 专利权人: BIOCHEMIE GESELLSCHAFT M.B.H.
- 当前专利权人: BIOCHEMIE GESELLSCHAFT M.B.H.
- 当前专利权人地址: A-6250 Kundl AT
- 代理机构: Kleine Deters, Johannes
- 优先权: AT2143/93 19931022
- 主分类号: C07D501/04
- IPC分类号: C07D501/04 ; C07D501/18
摘要:
A process for etherifying the hydroxymethyl group in position 3 of a cephalosporin by reaction of a 3-hydroxymethyl cephalosporin with an dioxycarbenium-tetrafluoroborate.
公开/授权文献
- EP0649849B1 Process for the preparation of cephalosporins 公开/授权日:2000-09-27
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