申请人:Beecham Group p.l.c.
公开号:US04537886A1
公开(公告)日:1985-08-27
A compound of formula (1) or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof: ##STR1## wherein R.sup.1 is phenyl, substituted phenyl or a 5- or 6-membered heterocyclic ring containing up to three heteroatoms selected from oxygen, sulphur or nitrogen, optionally substituted with hydroxy, amino, halogen or C.sub.1-6 alkoxy; X represents; ##STR2## wherein R.sup.Y is methyl or acetyl; R.sup.2 and R.sup.3 may be the same or different and each is hydrogen, an aryl group, a heterocyclyl group or a C.sub.1-6 alkyl group optionally substituted by an aryl group or a heterocyclyl group; and R.sup.4 is hydrogen, a C.sub.1-6 alkylcarbonyl group, an aryl group, a heterocyclyl group, a C.sub.1-6 alkyl group optionally substituted by an aryl group or a heterocyclyl group; R.sup.5 represents, hydrogen, methoxy or --NHCHO; and Y is: ##STR3## wherein Y.sup.1 is oxygen, sulphur or --CH.sub.2 -- and Z represents hydrogen, halogen or an organic group such as C.sub.1-4 alkoxy, --CH.sub.2 Q or --CH.dbd.CH--Q wherein Q represents hydrogen, halogen, hydroxy, mercepto, cyano, carboxy, carbamoyloxy carboxylic ester, C.sub.1-4 alkyloxy, acyloxy, aryl, a heterocyclyl group bonded via carbon, a heterocyclylthio group or a nitrogen containing heterocyclic group bonded via nitrogen.
式(1)的化合物或其药学上可接受的盐或体内可水解酯:
其中R1为苯基,取代苯基或含有最多三个氧、硫或氮的5-或6-成员杂环,可选择用羟基、氨基、卤素或C1-6烷氧基取代;X表示:
其中Ry为甲基或乙酰基;R2和R3可以相同也可以不同,每个都是氢、芳基、杂环基或C1-6烷基,可选择用芳基或杂环基取代;R4为氢、C1-6烷基羰基、芳基、杂环基、可选择用芳基或杂环基取代的C1-6烷基;R5表示氢、甲氧基或-NHCHO;Y为:
其中Y1为氧、硫或-CH2-,Z表示氢、卤素或有机基,例如C1-4烷氧基、-CH2Q或-CH=CH-Q,其中Q表示氢、卤素、羟基、巯基、氰基、羧基、氨基甲酸酯、C1-4烷氧基、酰氧基、芳基、通过碳键连接的杂环基、硫代杂环基或通过氮键连接的含氮杂环基。