申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US06384080B1
公开(公告)日:2002-05-07
Compounds of formula (I)
where R1 is hydrogen; R2 is nitro, cyano or halo(lower)alkyl; R3 is phenyl substituted with one or more substituents selected from halogen, cyano and lower alkoxy; A is a lower alkylene group; R4 is a group CR6R7R8 wherein R6 and R7 form, together with the carbon atom to which they are attached a cycloalkyl group optionally substituted with hydroxy, lower alkoxy or a lower alkanoylamino; and R8 is hydrogen; its prodrug and a salt thereof.
式(I)的化合物
其中R1为氢;R2为硝基、氰基或卤素(较低)烷基;R3为苯基,其上取代一个或多个卤素、氰基和较低烷氧基的取代基;A为较低烷基烯基;R4为一个基团CR6R7R8,其中R6和R7与它们连接的碳原子一起形成一个环烷基,可选择地取代羟基、较低烷氧基或较低烷酰氨基;而R8为氢;其前药和盐。