发明名称 DERIVES DE LA CEPHALOSPORINE, LEUR PREPARATION ET LES COMPOSITIONS QUI LES CONTIENNENT
摘要 <p>New cephalosporin derivatives of the formula: <IMAGE> wherein one of A and A1 represents oxygen or sulphur and the other represents sulphur, R1 represents hydrogen, acetoxy, (5-methyl-1,3,4-thiadiazol-2-yl)thio or (1-methyl-1,2,3,4-tetrazol-5-yl)thio and R2 represents carboxy, or R1 represents a pyridinio radical and R2represents the carboxylate ion, are therapeutically useful compounds possessing antibacterial properties.</p>
申请公布号 CA1026745(A) 申请公布日期 1978.02.21
申请号 CA19740213621 申请日期 1974.11.13
申请人 RHONE-POULENC S.A. 发明人 BERGER, CHRISTIAN;FARGE, DANIEL;GROS, GEORGES;MESSER, MAYER N.;MOUTONNIER, CLAUDE
分类号 C07D501/04;A61K31/43;A61K31/545;A61K31/546;C07D;C07D501/06;C07D501/20;C07D501/22;C07D501/24;C07D501/34;C07D501/36;C07D501/46;C07D501/48;C07D501/56;C07D501/60 主分类号 C07D501/04
代理机构 代理人
主权项
地址