| 发明名称 |
PROCESS FOR THE MANUFACTURE OF ENOL DERIVATIVES |
| 摘要 |
The invention concerns a process for the manufacture of 7 beta -amino-3-cephem-3-ol-4-carboxylic acid compounds by ring closure of esters of 2-[4-(substituted-thio)-3-acylamino-2-oxoazetidin-1-yl]-3-substituted- amino-crotonic acids and solvolyzing the enamino group in the resulting 7 beta -acylamino-3-substituted-amino-cephem-4-carboxylic acid esters.
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| 申请公布号 |
US4110533(A) |
申请公布日期 |
1978.08.29 |
| 申请号 |
US19760671193 |
申请日期 |
1976.02.10 |
| 申请人 |
CIBA-GEIGY CORPORATION |
发明人 |
WOODWARD, ROBERT BURNS;BICKEL, HANS |
| 分类号 |
C07D205/08;C07D205/095;C07D499/00;C07D501/04;C07D501/08;C07D501/10;C07D501/20;C07D501/59;(IPC1-7):C07D501/08 |
主分类号 |
C07D205/08 |
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