发明名称 |
Acylamino-cephem-carboxylic acids and process for preparing them |
摘要 |
Acylamino-cephem-carboxylic acids of the general formula IN WHICH R1, R2 and R3 represent hydrogen or lower alkyl groups and R1 and R2 may form together an alkylene group which may be substituted, R4 represents a linear or branched alkyl radical of 1 to 5 carbon atoms, a cyclo-alkyl radical of 3 to 7 carbon atoms which may be interrupted by heteroatoms, X represents a single bond or NH, A represents a phenylene or thienylene group which may be substituted and Y represents a single bond or oxygen, and their physiologically tolerated salts; the novel compounds have very good anti-bacterial properties.
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申请公布号 |
US3920640(A) |
申请公布日期 |
1975.11.18 |
申请号 |
US19730356466 |
申请日期 |
1973.05.02 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
SCHORR, MANFRED;WORM, MANFRED;SCHRINNER, ELMAR |
分类号 |
C07D233/22;C07D233/26;C07D239/06;C07D333/38;C07D501/20;C07D501/22;(IPC1-7):C07D501/24 |
主分类号 |
C07D233/22 |
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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