申请人:F. HOFFMANN-LA ROCHE AG
公开号:EP0831093A1
公开(公告)日:1998-03-25
1-carba-(dethia)-cephalosporin derivatives of the general formula I
wherein
R1is hydrogen, optionally fluoro substituted lower alkyl, aralkyl, cycloalkyl, -COR4 or -C(R5R6)CO2R7 -C(R5R6)CONHR7; where R5 and R6 are each independently hydrogen or lower alkyl, or R5 and R6 taken together form a cycloalkyl group; R4 is hydrogen or lower alkyl and R7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group;
R2is hydrogen, hydroxy, lower alkyl-Qm, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl-Qm, aryl-Qm, aryloxy, aralkoxy, a heterocyclic ring or heterocyclyl lower alkyl, the lower alkyl, cycloalkyl, lower alkoxy, lower alkenyl, cycloalkenyl, lower alkynyl, aralkyl, aryl, aryloxy, aralkoxy and the heterocyclic ring being unsubstituted or substituted with at least one group selected from carboxy, amino, nitro, cyano, optionally fluoro substituted lower alkyl, lower alkoxy, hydroxy, halogen, -COR6, -C(R5R6)CO2R7, -C(R5R6)CONR5R8, -CONR5R6, -N(R6)COOR10, R6OCO- or R6COO- where R5 and R6 are hydrogen or lower alkyl; R7 is hydrogen, lower alkyl, lower alkenyl or a carboxylic acid protecting group; R8 is hydrogen, lower alkyl or optionally substituted phenyl; R10 is lower alkyl, lower alkenyl or a carboxylic acid protecting group;
Qis -CHR-, -CO- or -SO2-;
Ris hydrogen or lower alkyl
R3is hydroxy, lower-alkoxy, or -O-, when R2 has a positive charge, or -OM and M represents an alkali metal;
mis 0 or 1;
nis 0, 1 or 2;
Xis CH or N
as well as readily hydrolysable esters thereof, pharmaceutically acceptable salts of said compounds and hydrates of the compounds of formula I and of their esters and salts.
通式 I 的 1-羧基-(去甲)-头孢菌素衍生物
其中
R1 是氢、任选被氟取代的低级烷基、芳基、环烷基、-COR4 或 -C(R5R6)CO2R7 -C(R5R6)CONHR7;其中 R5 和 R6 各自独立地是氢或低级烷基,或 R5 和 R6 共同形成环烷基;R4 是氢或低级烷基,R7 是氢、低级烷基、低级烯基或羧酸保护基;
R2是氢、羟基、低级烷基-Qm、环烷基、低级烷氧基、低级烯基、环烯基、低级炔基、芳基-Qm、芳氧基、芳烷氧基、杂环或杂环低级烷基、低级烷基、环烷基、低级烷氧基、低级烯基、环烯基、低级炔基、芳基、芳氧基、芳烷氧基和杂环低级烷基、杂环未被取代或被至少一个基团取代,这些基团选自羧基、氨基、硝基、氰基、任选被氟取代的低级烷基、低级烷氧基、羟基、卤素、-COR6、-C(R5R6)CO2R7、-C(R5R6)CONR5R8、-CONR5R6、-N(R6)COOR10、R6OCO- 或 R6COO-,其中 R5 和 R6 为氢或低级烷基;R7 是氢、低级烷基、低级烯基或羧酸保护基; R8 是氢、低级烷基或任选取代的苯基; R10 是低级烷基、低级烯基或羧酸保护基;
Q是-CHR-、-CO-或-SO2-;
R2是氢或低级烷基
当 R2 带正电荷时,R3 是羟基、低级烷氧基或-O-,或-OM,M 代表碱金属;
mis为 0 或 1;
n为 0、1 或 2;
X 是 CH 或 N
及其易于水解的酯、所述化合物的药学上可接受的盐以及式 I 化合物及其酯和盐的水合物。