Patent ID: 6017956
Filing Date: 2000-01-25
Classification: C07C,C07D

Abstract:
A compound of the formula (I) or a pharmaceutically acceptable salt or ester thereof: ##STR100## wherein each of ##STR101## which are the same or different, is selected from the group consisting of phenyl, naphthyl, anthryl and heteroaromatic ring group which is a 5- or 6-membered monocyclic ring which contains a heteroatom selected from the group consisting of --O--, --S-- and --N--; A is a C.sub.2-8 saturated or unsaturated aliphatic hydrocarbon group which is unsubstituted or substituted by lower alkyl, hydroxyl, lower hydroxyalkyl, lower alkoxy, carboxyl, lower carboxyalkyl, phenyl, naphthyl or anthryl or alkyl-substituted phenyl, naphthyl or anthryl; both X and Y are --CHR.sup.a --, wherein R.sup.a is hydrogen or lower alkyl, or X and Y together represent vinylene or ethynylene; each of R.sup.1, R.sup.2, R.sup.3, R.sup.8 and R.sup.9, which are the same or different, is hydrogen, halogen, hydroxyl, lower alkyl or lower alkoxy; each of R.sup.4 and R.sup.5 which are the same or different is hydrogen, halogen, hydroxyl, amino, nitro, cyano, carboxyl, lower alkoxycarbonyl, carbamoyl, lower alkylcarbamoyl, lower alkyl, lower hydroxyalkyl, lower fluoroalkyl or lower alkoxy; R.sup.6 is lower alkyl; and R.sup.7 is hydrogen or lower alkyl.