发明公开
EP1273587A1 PROCESS FOR THE PREPARATION OF A 3-VINYLCEPHEM COMPOUND
有权
VERFAHREN ZUR HERSTELLUNG EINER 3-VINYLCEPHEM-VERBINDUNG
- 专利标题： PROCESS FOR THE PREPARATION OF A 3-VINYLCEPHEM COMPOUND
- 专利标题（中）： VERFAHREN ZUR HERSTELLUNG EINER 3-VINYLCEPHEM-VERBINDUNG
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申请号： EP01919924.9申请日： 2001-04-13
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公开(公告)号： EP1273587A1公开(公告)日： 2003-01-08
- 发明人: KAMEYAMA, Yutaka, c/o OTSUKA KAGAKU K.K. , FUKAE, Kazuhiro, c/o OTSUKA KAGAKU K.K.
- 申请人： OTSUKA KAGAKU KABUSHIKI KAISHA
- 申请人地址： 2-27, Otedori 3-chome, Chuo-ku Osaka-shi, Osaka-fu 540-0021 JP
- 专利权人： OTSUKA KAGAKU KABUSHIKI KAISHA
- 当前专利权人： OTSUKA KAGAKU KABUSHIKI KAISHA
- 当前专利权人地址： 2-27, Otedori 3-chome, Chuo-ku Osaka-shi, Osaka-fu 540-0021 JP
- 代理机构： Barz, Peter, Dr.
- 优先权： JP2000111448 20000413
- 国际公布： WO01079211 20011025
- 主分类号： C07D501/04
- IPC分类号： C07D501/04 ; C07D501/22
摘要：
A process for preparing 3-vinyl-cephem compound of the formula (2), the process comprising the step of treating protected 3-vinyl-cephem derivative of the formula (1) in an organic solvent in the presence of perhalogenated acid and an organic protonic acid
wherein each of R 1 , R 2 and R 3 is a hydrogen atom or arylmethyl group optionally having a substituent, provided that R 1 , R 2 and R 3 can not be a hydrogen atom at the same time.
wherein each of R 1 , R 2 and R 3 is a hydrogen atom or arylmethyl group optionally having a substituent, provided that R 1 , R 2 and R 3 can not be a hydrogen atom at the same time.
公开/授权文献
- EP1273587B1 PROCESS FOR THE PREPARATION OF A 3-VINYLCEPHEM COMPOUND 公开/授权日：2009-06-10
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