| 发明名称 |
CEPHALOSPORINS AND HOMOLOGUES PREPARATIONS AND PHARMACEUTICAL COMPOSITIONS |
| 摘要 |
<p>B-Lactam antibiotics of formula (I) or a salt thereof, wherein R1 is hydrogen, methoxy or formamido; R2 is an acyl group; CO2R3 is a carboxy group or a carboxylate anion, or R3is a readily removable carboxy protecting group; R4 represents up to four substituents; X is S, SO, SO2, O or CH2; m is 1 0r 2; and n is 0, useful in the treatment of bacterial infections in humans and animals.</p> |
| 申请公布号 |
CA2359744(A1) |
申请公布日期 |
1992.02.06 |
| 申请号 |
CA19912359744 |
申请日期 |
1991.07.22 |
| 申请人 |
PFIZER INC. |
发明人 |
FELL, STEPHEN CHRISTOPHER MARTIN;BATESON, JOHN HARGREAVES;BURTON, GEORGE |
| 分类号 |
A61K31/545;A61K31/397;A61K31/546;A61P31/04;C07D;C07D205/08;C07D205/09;C07D463/00;C07D501/00;C07D501/04;C07D501/06;C07D501/08;C07D501/18;C07D501/20;C07D501/24;C07D501/48;C07D501/50;C07D501/52;C07D501/54;C07D501/56;C07D505/00;(IPC1-7):C07D501/20 |
主分类号 |
A61K31/545 |
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