Antimicrobial cephem compounds
    62.
    发明授权
    Antimicrobial cephem compounds 失效
    抗微生物头孢烯化合物

    公开(公告)号:US4507293A

    公开(公告)日:1985-03-26

    申请号:US504428

    申请日:1983-06-15

    IPC分类号: C07D501/20 C07D501/59

    CPC分类号: C07D501/59

    摘要: The invention relates to novel cephem compounds, of antimicrobial activity, of the formula ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is carboxy(lower)alkyl or protected carboxy(lower)alkyl,R.sup.3 is lower alkoxy, andR.sup.4 is carboxy or protected carboxy,and a pharmaceutically acceptable salt thereof.

    摘要翻译: 本发明涉及抗微生物活性的新颖的头孢烯化合物,其中R1是氨基或被保护的氨基,R2是羧基(低级)烷基或被保护的羧基(低级)烷基,R3是低级烷氧基,R4是羧基 或保护的羧基及其药学上可接受的盐。

    7-Acylaminocephalosporanic acid derivatives
    66.
    发明授权
    7-Acylaminocephalosporanic acid derivatives 失效
    7-酰氨基头孢烷酸衍生物

    公开(公告)号:US4477447A

    公开(公告)日:1984-10-16

    申请号:US351858

    申请日:1982-02-24

    CPC分类号: C07D501/20

    摘要: This invention relates to novel 7-acylaminocephalosporanic acid derivatives of high antimicrobial activity, to processes for their preparation, and to pharmaceutical compositions comprising said derivatives, said derivatives being of the formula: ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is dialkanoyloxy(lower)alkyl; alkyl having one or more substituents selected from the group consisting of hydroxy, protected hydroxy, alkoxy, carboxy, protected carboxy, cycloalkylcarbonyloxy and heterocyclic group; lower alkoxycarbonyloxy(lower)alkyl; azido(lower)alkoxycarbonyloxy(lower)alkyl; aroyloxy(lower)alkyl; higher alkanoyloxy(lower)alkyl; phthalidyl; or phthalidylidene(lower)alkyl,R.sup.3 is lower alkyl,Y is thio (--S--) or sulfinyl (--S--), and the dotted line represents 2- or 3-cephem nuclei.

    摘要翻译: 本发明涉及高抗微生物活性的新型7-酰基氨基头孢烷酸衍生物及其制备方法,以及包含所述衍生物的药物组合物,所述衍生物具有下式:其中R1是氨基或被保护的氨基,R2是二烷酰氧基 (低级)烷基; 具有一个或多个选自羟基,保护的羟基,烷氧基,羧基,保护的羧基,环烷基羰基氧基和杂环基的取代基的烷基; 低级烷氧基羰氧基(低级)烷基; 叠氮基(低级)烷氧基羰氧基(低级)烷基; 芳氧基(低级)烷基; 高级烷酰氧基(低级)烷基; 苯酞; 或低级烷基,R 3为低级烷基,Y为硫代(-S-)或亚磺酰基(-S-),虚线表示2-或3-头孢烯核。

    Cephem compounds
    68.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US4452851A

    公开(公告)日:1984-06-05

    申请号:US343243

    申请日:1982-01-27

    摘要: This invention relates to novel cephem compounds of high antimicrobial activity of the formula: ##STR1## wherein R.sup.1 is amino substituted thiazolyl selected from the group consisting of 2-aminothiazol-4-yl, 2-aminothiazol-5-yl, 4-aminothiazol-2-yl, 2-amino-5-halothiazol-4-yl, 2-amino-4-halothiazol-5-yl, and 4-amino-5-halothiazol-2-yl,protected amino substituted thiazolyl selected from said group,lower alkylamino substituted thiazolyl,amino substituted thiadiazolyl,protected amino substituted thiadiazolyl,amino substituted pyridyl,protected amino substituted pyridyl,furyl,thiazolyl,thiadiazolyl,phenyl, ornaphthyl,R.sup.2 is carboxy(lower)alkyl or protected carboxy(lower)alkyl,R.sup.3 is lower alkylthio, andR.sup.4 is carboxy or protected carboxy, and pharmaceutically acceptable salts thereof.

    摘要翻译: 本发明涉及具有下式的高抗微生物活性的新型头孢烯化合物:其中R1是选自2-氨基噻唑-4-基,2-氨基噻唑-5-基,4-氨基噻唑-4-基, 2-氨基-5-卤代噻唑-4-基,2-氨基-4-卤代噻唑-5-基和4-氨基-5-卤代噻唑-2-基,保护的氨基取代的噻唑基,其选自所述基团, 低级烷基氨基取代的噻唑基,氨基取代的噻二唑基,被保护的氨基取代的噻二唑基,氨基取代的吡啶基,被保护的氨基取代的吡啶基,呋喃基,噻唑基,噻二唑基,苯基或萘基,R2是羧基(低级)烷基或保护的羧基 是低级烷硫基,R 4是羧基或被保护的羧基,及其药学上可接受的盐。

    Cephem compounds
    69.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US4372952A

    公开(公告)日:1983-02-08

    申请号:US253026

    申请日:1981-04-10

    摘要: This invention relates to novel cephem compounds of high antimicrobial activity, to processes for preparation of said compounds, and to pharmaceutical compositions containing said compounds, the cephem compounds being of the formula ##STR1## wherein R.sup.1 is amino or protected amino,R.sup.2 is lower alkyl of from one to six carbon atoms substituted with aryl hydrocarbon of from 6 to 10 carbon atoms or substituted aryl hydrocarbon with at least one halogen, hydroxy, amino (lower) alkyl, amido (lower) alkyl, or lower alkyl substituent,R.sup.3 is carboxy or protected carboxy, andR.sup.4 is hydrogen,and its pharmaceutically acceptable salt.

    摘要翻译: 本发明涉及高抗微生物活性的新型头孢烯化合物,所述化合物的制备方法和含有所述化合物的药物组合物,头孢烯化合物具有下式:其中R1是氨基或被保护的氨基,R2是低级烷基 由1-6个碳原子的芳基取代的1至6个碳原子或具有至少一个卤素,羟基,氨基(低级)烷基,酰胺基(低级)烷基或低级烷基取代基的取代的芳基烃基,R3是羧基 或保护的羧基,且R 4是氢,及其药学上可接受的盐。