申请人:Nippon Chemiphar Co., Ltd.
公开号:US07598254B2
公开(公告)日:2009-10-06
The invention relates to compounds of the following formula (I) or their salts:
in which R1 is a group of phenyl, naphthyl, pyridyl or the like which may have a substituent such as an alkyl group having 1-8 carbon atoms, an alkoxy group having 1-8 carbon atoms, an alkoxycarbonyl group having 2-8 carbon atoms, carboxyl, halogen, hydroxyl, nitro, or cyano; R2 is cyano, nitro, or the like; R3 is hydroxyl or the like; X is oxygen, sulfur, or the like; and Y is oxygen or sulfur, and a xanthine oxidase inhibitor containing the compound.
本发明涉及以下式(I)或其盐的化合物:其中R1是苯基,萘基,吡啶基或类似基团,可以具有如1-8个碳原子的烷基,1-8个碳原子的烷氧基,2-8个碳原子的烷氧羰基,羧基,卤素,羟基,硝基或氰基等取代基;R2是氰基,硝基或类似基团;R3是羟基或类似基团;X是氧,硫或类似基团;Y是氧或硫,以及含有该化合物的黄嘌呤氧化酶抑制剂。