| 发明名称 |
Processes for the preparation of cephem derivatives |
| 摘要 |
Provided is a process for preparing a compound of formula 1 or its salt, which includes reacting a compound of formula 2 with a compound of formula 3 in the presence of a base.
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| 申请公布号 |
US7544797(B2) |
申请公布日期 |
2009.06.09 |
| 申请号 |
US20040577552 |
申请日期 |
2004.10.30 |
| 申请人 |
CJ CHEILJEDANG CORPORATION |
发明人 |
SEO DAE WON;CHUNG IN HWA;LEE KI BONG;LEE IN KYU |
| 分类号 |
C07D501/22;C07D501/36;C07F9/54 |
主分类号 |
C07D501/22 |
| 代理机构 |
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代理人 |
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| 地址 |
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