申请人:BEECHAM GROUP PLC
公开号:EP0090656A1
公开(公告)日:1983-10-05
A compound of formula (1) or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof:
wherein R1 is phenyl, substituted phenyl or a 5- or 6 mem hered heterocyclic ring containing up to three heteroatoms selected from oxygen, sulphur or nitrogen, optionally substi tuted with rvdroxy. amino. halogen or C1-6 alkoxy: X represents
wherein RY is methyl or acetyl; R2 and R3 may be the same or different and each is hydrogen, an aryl group, a heterocyclyl group or a C1-6 alkyl group optionally substituted by ar aryl group or a heterocycly group; and R4 is hydrogen a C1- 6 alkyl carbonyl group. an aryl group, a heterocyclyl group, a C1- 6 alkyl group optionally substituted by an aryl group or a hetere- cyclyl group; R5 represents, hydrogen, methoxy or -NHCHO; and Y is:
wherein Y1 is oxygen, sulphur or -CH2- and Z represents hydrogen, halogen or an organic group such as C1-4 alkoxy, -CH2O or -CH=CH-Q wherein Q represents hydrogen, halogen, hydroxy, mercepto, cyano, carboxy, carbamoyloxy carboxylic ester, C1-4 alkyloxy, acyloxy, aryl, a heterocyclyl group bonded via carbon, a heterocyclylthio group or a a nitrogen containing heterocyclic group bonded via nitrogen.
式(1)化合物或其药学上可接受的盐或体内可水解的酯:
其中 R1 是苯基、取代苯基或含有最多三个选自氧、硫或氮的杂原子的 5 或 6 个杂环,可选择用 rvdroxy、氨基、卤素或 C1-6 烷氧基取代:X 代表
其中 RY 是甲基或乙酰基;R2 和 R3 可以相同或不同,各自是氢、芳基、杂环基或任选被芳基或杂环基取代的 C1-6 烷基;R4 是氢、C1-6 烷基羰基、芳基、杂环基、任选被芳基或杂环基取代的 C1-6 烷基;R5 代表氢、甲氧基或-NHCHO;Y 是:
其中 Y1 是氧、硫或-CH2-,Z 代表氢、卤素或有机基团,如 C1-4 烷氧基、-CH2O 或-CH=CH-Q,其中 Q 代表氢、卤素、羟基、巯基、氰基、羧基、氨基甲酰氧基羧酸酯、C1-4 烷氧基、酰氧基、芳基、通过碳键合的杂环基团、杂环硫基或通过氮键合的含氮杂环基团。