发明授权
- 专利标题: Cephem derivatives
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申请号: US167152申请日: 1988-03-16
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公开(公告)号: US5010188A公开(公告)日: 1991-04-23
- 发明人: Hiroshi Yamauchi , Isao Sugiyama , Isao Saito , Seiichiro Nomoto , Takashi Kamiya , Yoshimasa Machida , Shigeto Negi
- 申请人: Hiroshi Yamauchi , Isao Sugiyama , Isao Saito , Seiichiro Nomoto , Takashi Kamiya , Yoshimasa Machida , Shigeto Negi
- 申请人地址: JPX Tokyo
- 专利权人: Eisai Co., Ltd.
- 当前专利权人: Eisai Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX60-3181 19850114; JPX60-75333 19850411; JPX60-174326 19850809
- 主分类号: C07D471/08
- IPC分类号: C07D471/08 ; C07D501/46
摘要:
Described herein is a cephem derivative represented by the general formula: ##STR1## wherein n stands for 1 or 2, Y stands for CH or nitrogen atom, R.sub.1 represents a lower hydrocarbon group or a carboxyl-substituted, a carbamoyl-substituted, or a cyclopropyl-substituted lower alkyl group, and R.sub.2 denotes hydroxyl group, a lower alkyl group, a hydroxy-substituted lower alkyl group, or carbamoyl group. The derivative is useful as an antibacterial composition. Also described herein are processes for the production of the derivative, antibacterial composition, intermediate of the derivative and process for the production thereof.
公开/授权文献
- US5951853A Refinery atmospheric pipestill with ammonia stripping 公开/授权日:1999-09-14