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    • 3. 发明公开
    • Penicillanic acid derivatives, their preparation and their pharmaceutical compositions with a penicillin or cephalosporin
    • Penizillansäure衍生物,其制备方法及其用青霉素或头孢菌素的药物组合物。
    • EP0023093A1
    • 1981-01-28
    • EP80302152.6
    • 1980-06-26
    • BEECHAM GROUP PLC
    • Harbridge, John BarryDenerley, Paul Millington
    • A61K31/43A61K31/545C07D499/00
    • A61K31/43A61K31/545C07D499/00
    • The present invention provides the compounds of the formula (I):
      and pharmaceutically acceptable salts and in vivo hydrolysable esters thereof, wherein n is 0 or 2, R' is a C 1-6 alkyl group optionally substituted with one, two or three fluorine, chlorine or bromine atoms, or is a di-C 1-6 alkylamino group or is a group of the formula (I):
      wherein X is a bond, or a -CH =CH group, or a methylene or ethylene group; R 2 is a hydrogen, fluorine, bromine or chlorine atom, or is an amino, protected amino, hydroxy, protected hydroxy, C,-, alkyl, nitro, di-C 1-6 alkylamino, acetamido, C 1-6 alkoxy or trifluromethyl group; R is a hydrogen or chlorine atom or a C,-, alkyl or trifluoromethyl group; and R 4 is a hydrogen or chlorine atom, or a C 1-6 alkyl or
      C 1-6 alkoxy group; or R 5 and R' on any two adjacent carbon atoms may together represent a buta-1, 3-dienylene moiety which is optionally substituted by a C,-, alkyl or C,-, alkoxy group. These compounds are β-lactamase inhibitors. Their use is described as is a process for their preparation.
    • 本发明提供了式(I)的化合物:和药学上可接受的盐和体内可水解的酯,worin n是0或2,R <1>被C 1-6烷基任选被一个substituiertem, 两个或三个氟,氯或溴原子,或者是二C 1-6烷基氨基或为基团的式(i)的: worin X是键,或CH = CH基团,或 亚甲基或亚乙基; [R <2>为氢,氟,溴或氯原子,或为氨基,保护的氨基,羟基,保护的羟基,C 1-6烷基,硝基,二C 1-6烷基氨基,乙酰氨基,C 1-6烷氧基或三氟甲基 组; R是氢或氯原子或C 1-6烷基或三氟甲基; 且R <4>是氢或氯原子,或C 1-6烷基或C 1-6烷氧基; 或R <2>和R上的任意两个相邻的碳原子可以一起代表丁1,3-二烯基部分的所有其任选地被一个C 1-3烷基或C 1-3烷氧基substituiertem。 这些化合物是β-内酰胺酶抑制剂。 它们的使用被描述为是它们的制备方法。