| 发明名称 |
NOVEL 7ALPHAAMETHOXYCEPHALOSPORINS AND THEIR PREPARATION |
| 摘要 |
<p>PURPOSE:7alpha-Methoxycephalosporins expressed by formula I: [R1 is H group forming carboxyl-protective group, salt-forming cation; R<2> is organic group bonded via O or S; R<3> and R<4> are H or lower alkyl group; A is (substituted) alkyl group].</p> |
| 申请公布号 |
JPS5424888(A) |
申请公布日期 |
1979.02.24 |
| 申请号 |
JP19770088733 |
申请日期 |
1977.07.23 |
| 申请人 |
TOYAMA CHEMICAL CO LTD |
发明人 |
SAIKAWA ISAMU;TAKANO SHIYUNTAROU;IMAIZUMI HIROYUKI;TAKAKURA ISAMU;OCHIAI HIROICHI;YASUDA TAKASHI;TAKI HIDEO;TAI MASARU;KODAMA HIROSHI |
| 分类号 |
C07D501/57;A61K31/545;A61K31/546;A61P31/04;C07D295/20 |
主分类号 |
C07D501/57 |
| 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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