| 发明名称 |
Intermediates for cephem compounds |
| 摘要 |
The invention relates to intermediate compounds of the formula: <IMAGE> wherein R3 is a lower alkyl, hydroxy(lower)alkyl or a protected hydroxy(lower)alkyl, R4 is amino or a protected amino group, and R5 is hydrogen or lower alkyl, or a salt thereof, useful in the preparation of compounds of antimicrobial activity.
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| 申请公布号 |
US5162520(A) |
申请公布日期 |
1992.11.10 |
| 申请号 |
US19920826062 |
申请日期 |
1992.01.27 |
| 申请人 |
FUJISAWA PHARMACEUTICAL CO., LTD. |
发明人 |
TAKAYA, TAKAO;SAKANE, KAZUO;MIYAI, KENZI;KAWABATA, KOHJI |
| 分类号 |
A61K31/425;C07D501/18;C07D501/38;C07D501/46 |
主分类号 |
A61K31/425 |
| 代理机构 |
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