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    • 6. 发明申请
    • NOVEL CEPHALOSPORIN COMPOUNDS AND PROCESSES FOR PREPARATION THEREOF
    • 新型CEPHOROSPORIN化合物及其制备方法
    • WO1992003445A1
    • 1992-03-05
    • PCT/KR1991000013
    • 1991-05-01
    • LUCKY LTD.KIM, Yong, ZuOH, Hung, SeungYEO, Jae, HongLIM, Jong, ChanBANG, Chan, SikKIM, Won, SupYIM, Hyeon, Joo
    • LUCKY LTD.
    • C07D501/36
    • C07D501/00
    • The present invention provides a cephalosporin compound represented by formulas (I-S) and (I-R), wherein R is a C1-4 alkyl, C3-4 alkenyl, C3-4 cycloalkyl, amino optionally substituted with a C1-4 alkyl radical, phenyl, or 2-, 4- or 6- substituted phenyl group with two or fewer substituents chosen from C1-4 alkyl, C1-3 alkoxy, halogen and hydroxy radicals; R is hydrogen or a C1-4 alkyl group; R and R , which should be different from each other, are hydrogen or a C1-4 alkyl group; and Q is N or CH, and the pharmaceutically acceptable non-toxic salts, physiologically hydrolyzable esters, hydrates and solvates thereof, which possess potent and broad antibacterial activities. The invention also provides processes for preparing these compounds and to pharmaceutical compositions containing them as active ingredients.
    • 本发明提供由式(IS)和(IR)表示的头孢菌素化合物,其中R 1为C 1-4烷基,C 3-4烯基,C 3-4环烷基,任选被C 1-4烷基取代的氨基 苯基或2-,4-或6-取代的苯基,其具有两个或更少个选自C 1-4烷基,C 1-3烷氧基,卤素和羟基的取代基; R 2是氢或C 1-4烷基; R a和R b彼此不同的是氢或C 1-4烷基; 和Q是N或CH,以及其药学上可接受的无毒盐,生理上可水解的酯,水合物和溶剂合物,其具有有效和广泛的抗菌活性。 本发明还提供了制备这些化合物的方法和含有它们作为活性成分的药物组合物。