Carbapenems and 1-methylcarbapenems having the formula:
wherein - R1 and R2 are independently H. CH3. CH3CH2-, (CH3)2CH-, HOCH2, CH3CH(OH)-, (CH3)2C(OH)-, FCH2-, F2CH, F3C-, CH3CH(F)-, CH3CF2-, or (CH3)2C(F)-; R3 is H-or CH3; L is a bridging group comprising substituted or unsubstituted C1-C6 straight. C2-C6 branched or C3-C7 cycloalkyl groups wherein the substituents are selected from C1-C6 alkyl, O-C1-C6 alkyl, S-C1-C6 alkyl, CF3, N(C1-C6 alkyl)2. is a quaternary, monocyclic or bicyclic substituted or unsubstituted, heteroaryl group containing (a) when monocyclic, up to 3 heteroatoms and up to 6 total ring atoms, or (b) when bicyclic, up to 5 heteroatoms and 9-10 ring atoms, which is optionally substituted with one or more groups; and Y is a carboxy-containing group; their preparation and antibiotic use are disclosed.
碳青霉烯类和 1-甲基碳青霉烯类,其式如下
其中 - R1 和 R2 独立地为 H.
CH3. CH2-、( )2CH-、HOCH2、 CH(OH)-、( )2C(OH)-、FCH2-、F2CH、F3C-、 CH(F)-、
CF2-或( )2C(F)-;R3是H-或 ;L是桥基,包括取代或未取代的C1-C6直链、C2-C6支链或C3-C7环烷基。C2-C6支链或 C3-C7 环烷基,其中取代基选自 C1-C6 烷基、O-C1-C6 烷基、S-C1-C6 烷基、
CF3、N(C1-C6 烷基)2。Y 是季环、单环或双环取代或未取代的杂芳基,含有 (a) 单环时最多 3 个杂原子和最多 6 个总环原子,或 (b) 双环时最多 5 个杂原子和 9-10 个环原子,可任选被一个或多个基团取代;以及 Y 是含羧基的基团;公开了它们的制备和抗生素用途。