Cephem compounds
    1.
    发明授权
    Cephem compounds 失效
    头孢烯化合物

    公开(公告)号:US06468995B1

    公开(公告)日:2002-10-22

    申请号:US08781924

    申请日:1996-12-30

    IPC分类号: C07D50134

    CPC分类号: C07D501/00 Y02P20/55

    摘要: A compound of the formula: wherein R1 is amino or protected amino; R2 is hydrogen, lower alkyl or hydroxy protective group; R3 is carboxy or protected carboxy; R4 is an unsubstituted 5, 6 or 7-membered heteromonocyclic group containing two nitrogen atoms as heteroatoms, and which optionally further contains one oxygen or sulfur atom; or R4 is said 5, 6 or 7-membered heteromonocyclic group substituted by 1 to 4 groups selected from the group consisting of lower alkyl, lower alkoxy, lower alkylthio, lower alkylamino, cyclo(lower)alkyl, cyclo(lower)alkenyl, halogen, amino, protected amino, protected hydroxy, cyano, nitro, carboxy, hydroxy(lower)alkyl, amino(lower)alkyl, and carbamoyloxy; and n is 1 or 2.

    摘要翻译: 下式的化合物:其中R 1是氨基或被保护的氨基; R 2是氢,低级烷基或羟基保护基; R 3是羧基或被保护的羧基; R 4是未取代的5,6或7元杂单环基, 杂原子,并且任选地还含有一个氧或硫原子; 或R4是由1-4个选自低级烷基,低级烷氧基,低级烷硫基,低级烷基氨基,环(低级)烷基,环(低级)烯基,卤素 ,氨基,保护的氨基,保护的羟基,氰基,硝基,羧基,羟基(低级)烷基,氨基(低级)烷基和氨基甲酰氧基; andn是1或2。

    Cephem compound
    7.
    发明授权
    Cephem compound 失效
    CEPHEM化合物

    公开(公告)号:US5187160A

    公开(公告)日:1993-02-16

    申请号:US483646

    申请日:1990-02-23

    CPC分类号: C07D501/46

    摘要: The invention relates to antimicrobial compounds of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino, R.sup.2 is ethyl, propyl or lower alkenyl,R.sup.3 is COO .theta., carboxy or a protected carboxy,R.sup.4 is hydroxy(lower)alkyl or protected hydroxy(lower)alkyl,R.sup.5 is amino or a protected amino,X.sup..theta. is an anion, andn is 0 or 1,or,R.sup.1, R.sup.3, R.sup.5, X.sup..theta. and n are each as defined above,R.sup.2 is lower alkyl, andR.sup.4 is 3-hydroxypropyl, with proviso that(i) when R.sup.3 is COO.sup..theta., then n is 0, and(ii) when R.sup.3 is carboxy or a protected carboxy, then n is 1,or a pharmaceutically acceptable salt thereof.