| 发明名称 |
Novel thiol esters and process for preparing cephalosporin compounds using same |
| 摘要 |
An 1,3,4-thiadiazole-5-thiol ester of the formula, <IMAGE> wherein R is a hydrogen atom or a methyl group, a process for their preparation and a process for preparing a cephalosporin compound of the formula, <IMAGE> +TR <IMAGE> wherein R is the same as defined above, using the above described 1,3,4-thiadiazole-5-thiol ester.
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| 申请公布号 |
US4258195(A) |
申请公布日期 |
1981.03.24 |
| 申请号 |
US19790018755 |
申请日期 |
1979.03.08 |
| 申请人 |
ASAHI KASEI KOGYO KABUSHIKI KAISHA |
发明人 |
SHIBUYA, CHISEI;ISHII, KUNIHIKO;SANO, TAKUMI;ISHIDA, TORAO |
| 分类号 |
C07D501/06;A01N43/90;C07D417/12;C07D501/36;(IPC1-7):A01N43/82;A61K31/425;C07D501/56 |
主分类号 |
C07D501/06 |
| 代理机构 |
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