| 发明名称 |
7-amino-cephem intermediates |
| 摘要 |
<p>This invention relates to novel 7-(optionally protected amino)-3-substituted methyl- DELTA 3-cephem-4-carboxylic acids which are useful intermediates for producing various novel cephalosporins, and a process for producing the said compounds. The 3-substituent is of formula: <IMAGE> where R<6> to R<9> are optional substituents.u</p> |
| 申请公布号 |
GB2171697(A) |
申请公布日期 |
1986.09.03 |
| 申请号 |
GB19860003333 |
申请日期 |
1983.11.16 |
| 申请人 |
* TOYAMA CHEMICAL CO LTD |
发明人 |
HIROSHI * SADAKI;HIROYUKI * IMAIZUMI;TAKASHI * NAGAI;KENJI * TAKEDA;ISAO * MYOKAN;TAKIHIRO * INABA;YASUO * WATANABE;YOSHIKAZU * FUKUOKA;SHINZABURO * MINAMI;ISAMU * SAIKAWA |
| 分类号 |
C07D241/18;C07D405/04;C07D501/04;C07D501/14;C07D501/18;C07D501/44;C07D501/46;C07D501/57;(IPC1-7):C07D501/18 |
主分类号 |
C07D241/18 |
| 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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