| 发明名称 |
Process for the production of 3-vinyl cephalosporins |
| 摘要 |
A process for the production of 3-vinylcephalosporin compounds of formula wherein R1 and R2 may be the same or different and are hydrogen or an organic radical using a Wittig reaction in which weak bases are used.
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| 申请公布号 |
US2001007029(A1) |
申请公布日期 |
2001.07.05 |
| 申请号 |
US20010792800 |
申请日期 |
2001.02.23 |
| 申请人 |
WIESER JOSEF;ASCHER GERD;LUDESCHER JOHANNES;STURM HERBERT |
发明人 |
WIESER JOSEF;ASCHER GERD;LUDESCHER JOHANNES;STURM HERBERT |
| 分类号 |
C07D501/00;C07D501/04;C07D501/22;C07D501/24;(IPC1-7):C07D279/00;C07D513/00 |
主分类号 |
C07D501/00 |
| 代理机构 |
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