| 发明名称 |
Process for the preparation of halogenated beta-lactam compounds. |
| 摘要 |
<p>There is described the preparation of halogenated beta -lactam derivatives by introduction of a chlorine atom in the 3-position of the cephem nucleus starting from a 3-sulfonyloxycephem. Such starting materials are reacted with a chlorine ions donor in a basic medium.</p> |
| 申请公布号 |
EP0570058(A2) |
申请公布日期 |
1993.11.18 |
| 申请号 |
EP19930201290 |
申请日期 |
1993.05.07 |
| 申请人 |
BIOCHIMICA OPOS SPA |
发明人 |
DA COL MARCO;DALL ASTA LEONE;RESTA IRENE;CAINELLI GIANFRANCO;CONTENTO MICHELE;PANUNZIO MAURO;UMANI RONCHI ACHILLE |
| 分类号 |
C07D501/00;C07D501/59;(IPC1-7):C07D501/59;C07D501/60 |
主分类号 |
C07D501/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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