| 发明名称 |
PROCEDIMIENTO DE PREPARACION DE UNA CEFALOSPORINA |
| 摘要 |
<p>This invention relates to a novel process for producing a useful cephalosporin which comprises reacting a thiolo ester compound with a 7-aminocephalosporin in the presence of boron trifluoride or a complex compound thereof. This process enables the cephalosporin to be produced with a high purity in a high yield.</p> |
| 申请公布号 |
AR240823(A1) |
申请公布日期 |
1991.02.28 |
| 申请号 |
AR19840298009 |
申请日期 |
1984.09.19 |
| 申请人 |
TOYAMA CHEMICAL CO. LTD. |
发明人 |
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| 分类号 |
C07D501/46;A61K31/545;C07D277/20;C07D501/04;C07D501/06;C07D501/20;C07D501/24;C07D501/59;C07F9/6539;(IPC1-7):C07D501/20 |
主分类号 |
C07D501/46 |
| 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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