发明授权
- 专利标题: Cephalosporin derivatives
- 专利标题(中): 头孢菌素衍生物
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申请号: US523007申请日: 1974-11-12
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公开(公告)号: US4007176A公开(公告)日: 1977-02-08
- 发明人: Christian Berger , Daniel Farge , Georges Gros , Mayer Naoum Messer , Claude Moutonnier
- 申请人: Christian Berger , Daniel Farge , Georges Gros , Mayer Naoum Messer , Claude Moutonnier
- 申请人地址: FR Paris
- 专利权人: Rhone-Poulenec S.A.
- 当前专利权人: Rhone-Poulenec S.A.
- 当前专利权人地址: FR Paris
- 优先权: FR73.40431 19731114; FR74.14436 19740425
- 主分类号: C07D501/04
- IPC分类号: C07D501/04 ; A61K31/43 ; A61K31/545 ; A61K31/546 ; C07D20060101 ; C07D501/06 ; C07D501/20 ; C07D501/22 ; C07D501/24 ; C07D501/34 ; C07D501/36 ; C07D501/46 ; C07D501/48 ; C07D501/56 ; C07D501/60
摘要:
New cephalosporin derivatives of the formula: ##STR1## wherein one of A and A.sub.1 represents oxygen or sulphur and the other represents sulphur, R.sub.1 represents hydrogen, acetoxy, (5-methyl-1,3,4-thiadiazol-2-yl)thio or (1-methyl-1,2,3,4-tetrazol-5-yl)thio and R.sub.2 represents carboxy, or R.sub.1 represents a pyridinio radical and R.sub.2 represents the carboxylate ion, are therapeutically useful compounds possessing antibacterial properties.
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