摘要:
Novel quinolonecarboxylic acid derivatives of general formula (1) or salts thereof which have potent antibacterial effects on gram-positive bacteria in particular Propionibacterium acnes (wherein R1 represents a hydrogen atom or a carboxyl-protective group; R2 represents an optionally substituted cycloalkyl group; R3 represents a hydrogen atom, a halogen atom, an optionally substituted alkyl, alkoxy or alkylthio group, an optionally protected hydroxyl or amino group, or a nitro group; R4 represents an optionally substituted alkyl or alkoxy group; and Z represents a pyridin-4-yl or pyridin-3-yl group which is optionally substituted with at least one group selected from a halogen atom, an optionally substituted alkyl, alkenyl, cycloalkyl, alkoxy, alkylthio or amino group and an optionally protected hydroxyl or amino group).
摘要翻译:对革兰氏阳性细菌特别是痤疮丙酸杆菌(其中R1表示氢原子或羧基保护基团; R2表示任选取代的环烷基; R3表示任意取代的环烷基)的革兰氏阳性细菌具有强效抗菌作用的通式(1)的新型喹诺酮羧酸衍生物或其盐 表示氢原子,卤素原子,任选取代的烷基,烷氧基或烷硫基,任选保护的羟基或氨基或硝基; R 4表示任选取代的烷基或烷氧基; Z表示吡啶-4-基, 吡啶-3-基或任选被至少一个选自卤素原子,任选取代的烷基,烯基,环烷基,烷氧基,烷硫基或氨基的基团取代的吡啶-3-基,以及任意保护的羟基或氨基。
摘要:
A piperazine derivative represented by the following formula or a salt thereof: ##STR1## which is useful for curing cerebro-vascular disease and post-cerebro-vascular disease.