7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for
their preparation
    1.
    发明授权
    7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation 失效
    7-酰基-3-(取代氨基甲酰氧基)头孢烯化合物及其制备方法

    公开(公告)号:US5604217A

    公开(公告)日:1997-02-18

    申请号:US463353

    申请日:1995-06-05

    CPC分类号: C07D501/00

    摘要: A 7-acyl-3-substituted carbamoyloxy cephem compound represented by the following formula (1): ##STR1## wherein A means a --CH.dbd. or --N.dbd. group; R.sup.1 denotes a hydroxyl, lower alkoxyl, fluorine-substituted lower alkoxyl or protected hydroxyl group; R.sup.2 and R.sup.3 are the same or different and individually represent a lower alkyl, hydroxyl-substituted lower alkyl, a carbamoyl-substituted lower alkyl group or cyano-substituted lower alkyl group, R.sup.2 is a hydrogen atom and R.sup.3 is a lower alkoxyl or alkyl group optionally substituted by one or more halogen atoms or the group ##STR2## means a 4-6 membered heterocyclic group, which contains one nitrogen atom, or a morpholino group, said heterocyclic group or morpholino group being optionally substituted by one or more lower alkyl, hydroxyl and/or hydroxyl-substituted lower alkyl groups; and R.sup.4 denotes a carboxyl or protected carboxyl group; or a pharmaceutically acceptable salt thereof; and a process for the preparation thereof; as well as an antibacterial composition containing the above cephem compound.

    摘要翻译: 由下式(1)表示的7-酰基-3-取代氨基甲酰氧基头孢烯化合物:其中A表示-CH =或-N =基团; R1表示羟基,低级烷氧基,氟取代的低级烷氧基或被保护的羟基; R2和R3相同或不同,分别表示低级烷基,羟基取代的低级烷基,氨基甲酰取代的低级烷基或氰基取代的低级烷基,R2是氢原子,R3是低级烷氧基或烷基 任选地被一个或多个卤素原子取代,或者“IMAGE”是指含有一个氮原子或吗啉基的4-6元杂环基,所述杂环基或吗啉基任选被一个或多个低级烷基取代, 羟基和/或羟基取代的低级烷基; R4表示羧基或被保护的羧基; 或其药学上可接受的盐; 及其制备方法; 以及含有上述头孢烯化合物的抗菌组合物。

    7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for
their preparation
    2.
    发明授权
    7-acyl-3-(substituted carbamoyloxy) cephem compounds and process for their preparation 失效
    7-酰基-3-(取代氨基甲酰氧基)头孢烯化合物及其制备方法

    公开(公告)号:US5587473A

    公开(公告)日:1996-12-24

    申请号:US671342

    申请日:1996-06-27

    CPC分类号: C07D501/00

    摘要: A 7-acyl-3-substituted carbamoyloxy cephem compound represented by the following formula (1): ##STR1## wherein A means a --CH.dbd. or --N.dbd. group; R.sup.1 denotes a hydroxyl, lower alkoxyl, fluorine-substituted lower alkoxyl or protected hydroxyl group; R.sup.2 and R.sup.3 are the same or different and individually represent a lower alkyl, hydroxyl-substituted lower alkyl, a carbamoyl-substituted lower alkyl group or cyano-substituted lower alkyl group, R.sup.2 is a hydrogen atom and R.sup.3 is a lower alkoxyl or alkyl group optionally substituted by one or more halogen atoms, or the group ##STR2## means a 4-6 membered heterocyclic group, which contains one nitrogen atom, or a morpholino group, said heterocyclic group or morpholino group being optionally substituted by one or more lower alkyl, hydroxyl and/or hydroxyl-substituted lower alkyl groups; and R.sup.4 denotes a carboxyl or protected carboxyl group; or a pharmaceutically acceptable salt thereof; and a process for the preparation thereof; as well as an antibacterial composition containing the above cephem compound.

    摘要翻译: 由下式(1)表示的7-酰基-3-取代氨基甲酰氧基头孢烯化合物:其中A表示-CH =或-N =基团; R1表示羟基,低级烷氧基,氟取代的低级烷氧基或被保护的羟基; R2和R3相同或不同,分别表示低级烷基,羟基取代的低级烷基,氨基甲酰取代的低级烷基或氰基取代的低级烷基,R2是氢原子,R3是低级烷氧基或烷基 任选地被一个或多个卤素原子取代,或者“IMAGE”是指含有一个氮原子或吗啉基的4-6元杂环基,所述杂环基或吗啉基任选被一个或多个低级烷基 ,羟基和/或羟基取代的低级烷基; R4表示羧基或被保护的羧基; 或其药学上可接受的盐; 及其制备方法; 以及含有上述头孢烯化合物的抗菌组合物。

    7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacterial
preparations containing the same
    6.
    发明授权
    7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacterial preparations containing the same 失效
    7-羧甲基苯乙酰氨基-3-头孢烯衍生物和含有它们的抗菌制剂

    公开(公告)号:US4546176A

    公开(公告)日:1985-10-08

    申请号:US544406

    申请日:1983-10-20

    CPC分类号: C07D405/12 C07D311/22

    摘要: 7-Carboxymethoxyphenylacetamido-3-cephem derivatives represented by the formula ##STR1## wherein R.sub.1 means hydroxy, C.sub.1 -C.sub.4 alkanoyloxy or C.sub.1 -C.sub.4 alkoxycarbonyloxy, R.sub.2 is hydrogen or methoxy, R.sub.3 denotes C.sub.1 -C.sub.4 alkanoyloxy, substituted or unsubstituted nitrogen-containing heterocyclic-thio or substituted or unsubstituted pyridinium with a proviso that, when R.sub.3 denotes the substituted or unsubstituted pyridinium, R.sub.3 forms an intramolecular salt with the carboxy at the 4-position of the cephem nucleus, and A is a group of the following formula: ##STR2## in which R.sub.4 and R.sub.5 are individually hydrogen or C.sub.1 -C.sub.4 alkyl, and their pharmaceutically acceptable salts, exhibit excellent anti-bacterial activities against Gram-negative bacteria, particularly, Pseud. aeruginosa, Kleb. pneumoniae, Ser. marcescens and the like.

    摘要翻译: 其中R 1表示羟基,C 1 -C 4烷酰氧基或C 1 -C 4烷氧羰基氧基,R 2为氢或甲氧基,R 3表示C 1 -C 4烷酰氧基,取代或未取代的含氮杂环基 硫代或取代或未取代的吡啶鎓,条件是当R3表示取代或未取代的吡啶鎓时,R3与头孢烯核的4位上的羧基形成分子内的盐,A是下式的基团: 其中R 4和R 5独立地为氢或C 1 -C 4烷基及其药学上可接受的盐,对抗革兰氏阴性细菌,特别是Pseude显示出优异的抗细菌活性。 铜绿假单胞菌 肺炎支原体 粘液囊等。