Patent ID: 8993616
Filing Date: 2015-03-31
Classification: A61K,A61P,C07D

Abstract:
1. A method of lowering serum uric acid level, the method comprising administering a pharmaceutically effective amount of a compound represented by the general formula (IA): wherein R in the formula, A A represents a single bond, —O—, —S—, —CO—, —COO—, —CON(R D represents an optionally substituted lower alkylene, an optionally substituted lower alkenylene, an optionally substituted lower alkynylene, an optionally substituted cycloalkylene, an optionally substituted heterocycloalkylnene, an optionally substituted arylene or an optionally substituted heteroarylene, with the proviso that D is optionally further substituted by -E-G; E represents a single bond, —O—, —N(R G represents a hydrogen atom, an optionally substituted lower alkyl, an optionally substituted lower alkenyl, an optionally substituted lower alkynyl, an optionally substituted cycloalkyl, an optionally substituted heterocycloalkyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted cycloalkyl(lower alkyl), an optionally substituted heterocycloalkyl(lower alkyl), an optionally substituted aryl(lower alkyl) or an optionally substituted heteroaryl(lower alkyl) with the proviso that when G is a hydrogen atom, E is a single bond, —O—, —N(R