| 发明名称 |
7-Amino-3-phosphonocephalosporanic acid compounds |
| 摘要 |
A compound of the formula: <IMAGE> wherein R2 is hydrogen or lower alkyl, R3 is carboxy or a protected carboxy group, X is -S- or <IMAGE> and the dotted line bridging the 2- to 4-positions of the formula indicates that the compound may be the 2- or 3-cephem derivative, and pharmaceutically acceptable salts thereof.
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| 申请公布号 |
US4399277(A) |
申请公布日期 |
1983.08.16 |
| 申请号 |
US19810245718 |
申请日期 |
1981.03.20 |
| 申请人 |
FUJISAWA PHARMACEUTICAL CO., LTD. |
发明人 |
TAKAYA, TAKAO;CHIBA, TOSHIYUKI |
| 分类号 |
A61K31/675;A61P31/04;C07D501/59;C07F9/6561;(IPC1-7):C07D501/18 |
主分类号 |
A61K31/675 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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