发明授权
EP1132391B1 PROCESS FOR THE PREPARATION OF 3-SULFONYLOXY-3-CEPHEM COMPOUNDS
有权
方法3磺酰基-3-头孢CONNECTIONS
- 专利标题： PROCESS FOR THE PREPARATION OF 3-SULFONYLOXY-3-CEPHEM COMPOUNDS
- 专利标题（中）： 方法3磺酰基-3-头孢CONNECTIONS
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申请号： EP00956989.8申请日： 2000-09-07
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公开(公告)号： EP1132391B1公开(公告)日： 2006-11-15
- 发明人: KAMEYAMA, Yutaka, Otsuka Kagaku Kabushiki Kaisha
- 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
- 优先权： JP26615899 19990920
- 国际公布： WO2001021622 20010329
- 主分类号： C07D501/04
- IPC分类号： C07D501/04 ; C07D501/59 ; C07D501/00 ; C07D501/22
摘要：
A process for the preparation of 3-sulfonyloxy-3-cephem compounds of general formula (3), characterized by reacting a 3-hydroxy-3-cephem compound of general formula (1) with a sulfonic acid halide of general formula (2) :R4SO2x, in an organic solvent in the presence of an alkali metal carbonate or an alkaline earth metal carbonate wherein R1 to R4 and X are each as defined in the description.
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