| 发明名称 |
Process for the preparation of 3-methylenecephem compounds |
| 摘要 |
The invention relates to a process for the preparation of 3-methylenecephem compounds of the formula (I) <IMAGE> in which R<1> and R<2> have the meaning indicated in the description. These compounds are useful intermediates for the preparation of antimicrobial active compounds.
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| 申请公布号 |
DE3711625(A1) |
申请公布日期 |
1988.10.27 |
| 申请号 |
DE19873711625 |
申请日期 |
1987.04.07 |
| 申请人 |
BAYER AG |
发明人 |
HARTWIG,WOLFGANG,DIPL.-CHEM.DR. |
| 分类号 |
C07D501/04;C07D501/14;(IPC1-7):C07D501/04 |
主分类号 |
C07D501/04 |
| 代理机构 |
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