| 发明名称 |
PROCEDIMIENTO PARA LA PREPARACION DE UN ACIDO DELTA3 CEFEM-4-CARBOXILICO |
| 摘要 |
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. |
| 申请公布号 |
MX157789(A) |
申请公布日期 |
1988.12.15 |
| 申请号 |
MX19820001609 |
申请日期 |
1984.09.19 |
| 申请人 |
TOYAMA CHEMICAL CO. LTD. |
发明人 |
TAKASHI NAGAI;HIROKAZU OCHIAI;TAKIHIRO INABA;ISAO MYOKAN;HIROSHI SADAKI;ISAMO SAIKAWA |
| 分类号 |
C07D501/46;A61K31/545;C07D277/20;C07D501/04;C07D501/06;C07D501/20;C07D501/24;C07D501/59;C07F9/6539 |
主分类号 |
C07D501/46 |
| 代理机构 |
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