发明授权
- 专利标题: Process for preparing 7-.alpha.-methoxycephem compounds
- 专利标题(中): 制备7-甲氧基头孢烯化合物的方法
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申请号: US373700申请日: 1982-04-30
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公开(公告)号: US4485235A公开(公告)日: 1984-11-27
- 发明人: Kiyoaki Katano , Kunio Atsumi , Fumio Kai , Ken Nishihata , Eiichi Akita
- 申请人: Kiyoaki Katano , Kunio Atsumi , Fumio Kai , Ken Nishihata , Eiichi Akita
- 申请人地址: JPX Tokyo
- 专利权人: Meiji Seika Kaisha Ltd.
- 当前专利权人: Meiji Seika Kaisha Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX56-71343 19810514
- 主分类号: C07D501/16
- IPC分类号: C07D501/16 ; A61K31/545 ; A61K31/546 ; A61P31/04 ; C07D501/18 ; C07D501/20 ; C07D501/24 ; C07D501/36 ; C07D501/57
摘要:
Disclosed is a novel cephem compound represented by the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and n are as defined in the specification, which is a useful intermediate for synthesizing various cephalosporin antibiotics having a methoxy group at the 7.alpha.-position thereof. Also disclosed is a process for preparing the same.
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