Novel biphenyl derivatives of the formula:
wherein R¹ is a substituted or unsubstituted aminocarbonyl group, aminothiocarbonyl group, a substituted or unsubstituted lower alkoxycarbonyl group, cyano group, or a group of the formula:
one or two of R² to R⁷ are hydrogen atom, and the remaining groups are the same or different and are each a lower alkoxy group, a phenyl(lower)alkoxy group or hydroxy group, or the adjacent two groups thereof combine to form a lower alkylenedioxy group, and Alk¹ is a lower alkylene group, or a pharmaceutically acceptable salt thereof, which are useful for the prophylaxis and treatment of hepatic diseases, and processes for preparing the same, and intermediates therefor.
式中的新型
联苯衍
生物:
其中 R¹ 是取代或未取代的
氨基羰基、
氨基
硫代羰基、取代或未取代的低级烷氧基羰基、
氰基或式中的基团:
R²至R⁷中的一个或两个为氢原子,其余基团相同或不同,且各自为低级烷氧基、苯基(低级)烷氧基或羟基,或其相邻两个基团结合形成低级亚烷氧基,且Alk¹为低级亚烷基,或其药学上可接受的盐,可用于预防和治疗肝病,以及制备上述物质的工艺及其中间体。