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    Cephalosporanic acid derivatives
    1.
    发明授权
    Cephalosporanic acid derivatives 失效

    公开(公告)号：US4404375A

    公开(公告)日：1983-09-13

    申请号：US367501

    申请日：1982-04-12

    申请人： James H. Boothe ,  Adma S. Ross

    发明人： James H. Boothe ,  Adma S. Ross

    IPC分类号： A61K31/545 ,  C07D501/36

    CPC分类号： C07D501/36

    摘要： 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.

    Cephalosporanic acid derivatives
    2.
    发明授权
    Cephalosporanic acid derivatives 失效

    公开(公告)号：US4404376A

    公开(公告)日：1983-09-13

    申请号：US367503

    申请日：1982-04-12

    申请人： James H. Boothe ,  Adma S. Ross

    发明人： James H. Boothe ,  Adma S. Ross

    IPC分类号： A61K31/545 ,  C07D501/36

    CPC分类号： C07D501/36

    摘要： 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.

    Cephalosporanic acid derivatives
    3.
    发明授权
    Cephalosporanic acid derivatives 失效
    头孢烷酸衍生物

    公开(公告)号：US4404374A

    公开(公告)日：1983-09-13

    申请号：US367502

    申请日：1982-04-12

    申请人： James H. Boothe ,  Adma S. Ross

    发明人： James H. Boothe ,  Adma S. Ross

    IPC分类号： A61K31/545 ,  C07D501/36

    CPC分类号： C07D501/36

    摘要： 7-acetamidocephalosporins are disclosed herein which are substituted at position 3 of the cephalosporin nucleus with the group ##STR1## wherein R.sub.2 is selected from the group hydrogen, amino, C.sub.1 to C.sub.6 alkylamino and di-C.sub.1 to C.sub.6 alkylamino and R.sub.3, R.sub.4 and R.sub.5 are the same or different and are selected from the group hydrogen, hydroxy, C.sub.1 to C.sub.6 alkyl, C.sub.1 to C.sub.6 alkoxy, trifluoromethyl, phenyl, substituted phenyl, heterocyclic aryl, and R.sub.3 and R.sub.4 or R.sub.4 and R.sub.5 taken together are the moiety --CH.sub.2 (CH.sub.2).sub.2 CH.sub.2 --.

    摘要翻译： 本文公开7-乙酰氨基头孢菌素，其在头孢菌素核的第3位被取代，其中R 2选自氢，氨基，C 1至C 6烷基氨基和C 2 -C 6烷基氨基，R 3，R 4和R 5 选自氢，羟基，C 1至C 6烷基，C 1至C 6烷氧基，三氟甲基，苯基，取代的苯基，杂环芳基和R 3，R 4或R 4和R 5一起为-CH 2 （CH 2）2 CH 2 - 。