申请人:BEECHAM GROUP PLC
公开号:EP0067610A1
公开(公告)日:1982-12-22
A compound of formula (I) or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof:
wherein R1 is phenyl, 4-hydroxy phenyl, 3,4-dihydroxyphenyl, 3,4-diacetoxyphenyl 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 C1-6 alkoxy; and R2 is a sub-group of formula (A):
wherein R3 is an optionally substituted C1-10 alkyl or C3-7 cycloalkyl group; or R2 is a sub-group of formula (B):
wherein R4 is an aryl group, an optionally substituted C1-10 alkyl group or a C1-6 alkyloxy group optionally substituted by an aryl group.
式(I)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、4-羟基苯基、3,4-二羟基苯基、3,4-二乙酰氧基苯基或含有最多三个选自氧、硫或氮的杂原子的 5- 或 6-员杂环,任选被羟基、氨基、卤素或 C1-6 烷氧基取代;以及 R2 是式 (A) 的子基团:
其中 R3 是任选被取代的 C1-10 烷基或 C3-7 环烷基;或 R2 是式 (B) 的子基团:
其中 R4 是芳基、任选取代的 C1-10 烷基或任选被芳基取代的 C1-6 烷氧基。