Biphenyl derivatives, process for preparing the same and intermediates therefor

Abstract

Novel biphenyl derivatives of the formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted aminocarbonyl group, aminothiocarbonyl group, a substituted or unsubstituted lower alkoxycarbonyl group, cyano group, or a group of the formula: ##STR2## one or two of R.sup.2 to R.sup.7 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 Alk.sup.1 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.

Dependencies are inferred from the claim text.