发明授权
US4285940A Cephalosporin derivatives, and antibacterial drugs comprising said
derivatives
失效
头孢菌素衍生物和包含所述衍生物的抗菌药物
- 专利标题: Cephalosporin derivatives, and antibacterial drugs comprising said derivatives
- 专利标题(中): 头孢菌素衍生物和包含所述衍生物的抗菌药物
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申请号: US137754申请日: 1980-04-07
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公开(公告)号: US4285940A公开(公告)日: 1981-08-25
- 发明人: Yoshimasa Machida , Isao Saito , Seiichiro Nomoto , Shigeto Negi , Hironori Ikuta , Kyosuke Kitoh
- 申请人: Yoshimasa Machida , Isao Saito , Seiichiro Nomoto , Shigeto Negi , Hironori Ikuta , Kyosuke Kitoh
- 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: JPX54-148834 19791119
- 主分类号: A61K31/43
- IPC分类号: A61K31/43 ; A61K31/545 ; A61K31/546 ; A61P31/04 ; C07D311/22 ; C07D501/34 ; C07D501/26
摘要:
New cephalosporin derivatives having the general formula: ##STR1## wherein R.sub.1 and R.sub.2 each represents hydroxy or acyloxy and their salts, and processes for the production thereof. The cephalosporin derivatives of the present invention are useful as antibacterial drugs.
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