Patent ID: 6664272
Filing Date: 2003-12-16
Classification: A61P,C07C,C07D

Abstract:
A compound of the formula: wherein:R1-R8 are independently selected from the group consisting of hydrogen, halogen, hydroxyl, alkoxy, CF3, alkyl, substituted alkyl, alkenyl, alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkaryl, arylalkyl, heteroaryl, substituted heteroaryl, heterocycle, Substituted heterocycle, amino, alkylamino, dialkylamino, carboxylic acid, carboxylic ester, carboxamide, nitro, cyano, azide, alkylcarbonyl, acyl, and trialkylammonium; X is O, S, SO, SO2, or NR, wherein R is selected from the group consisting of hydrogen, alkyl, alkoxy, substituted alkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocycle, substituted heterocycle, acyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl and dialkylaminocarbonyl; the dashed lines indicate the presence of optional double bonds; or pharmaceutically acceptable salt thereof.