发明名称 |
Derivatives of cephalosporins, their process of separation and antibiotic drugs containing the said derivatives |
摘要 |
The present invention relates to cephalosporins having the formula: <IMAGE> (1) in which COOA is an acidic radical, salt or ester, and R1 represents a group: <IMAGE> in which RA and RB are H or alkyl or together form a cycloalkyl with the carbon to which they are bonded, R2 and R3 are H, alkyl or alkenyl, R4 and R5 are H, alkyl or alkenyl or together form a ring to the nitrogen atom with which they are bonded. This invention also relates to a process for the preparation of these compounds and to drugs containing them.
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申请公布号 |
US4578377(A) |
申请公布日期 |
1986.03.25 |
申请号 |
US19850723709 |
申请日期 |
1985.04.16 |
申请人 |
SANOFI |
发明人 |
LABEEUW, BERNARD;SALHI, ALI |
分类号 |
C07D501/06;A61K;A61K31/505;A61K31/545;A61K31/546;A61P31/04;C07D;C07D277/20;C07D501/00;C07D501/20;C07D501/28;C07D501/34;C07D501/36;C07D501/46;(IPC1-7):A61K31/545 |
主分类号 |
C07D501/06 |
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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