| 发明名称 |
Process for 3-chloro cephalosporins |
| 摘要 |
7-Acylamido-3-hydroxy-3-cephem-4-carboxylic acid ester sulfoxides are chlorinated and reduced in a single step process with phosphorus trichloride in dimethylformamide to provide 7-acylamido-3-chloro-3-cephem-4-carboxylic acid ester sulfides.
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| 申请公布号 |
US4115643(A) |
申请公布日期 |
1978.09.19 |
| 申请号 |
US19770822472 |
申请日期 |
1977.08.08 |
| 申请人 |
ELI LILLY AND COMPANY |
发明人 |
KUKOLJA, STJEPAN;SPRY, DOUGLAS O. |
| 分类号 |
A61K;A61K31/545;C07D;C07D501/04;C07D501/20;C07D501/59;C07D501/60;(IPC1-7):C07D501/04 |
主分类号 |
A61K |
| 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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