申请人:Nippon Chemiphar Co., Ltd.
公开号:US07253154B2
公开(公告)日:2007-08-07
The invention relates to compounds of the following formula (I) or their salts:
in which R1 represents OR4 or others, in which R4 is an alkyl group having 1-8 carbon atoms which may have a substituent or the like; R2 is halogen, nitro, cyano, carboxyl, or the like; R3 is hydrogen, halogen, hydroxyl, amino, carboxyl, or the like; X is NR11, oxygen, or sulfur, in which R11 is hydrogen, or an alkyl group having 1-8 carbon atom which may have a substituent; and each of Y and Z is CR12 or nitrogen, in which R12 has the same meaning as R3 above, and a xanthine oxidase inhibitor containing the compound as an active ingredient.
本发明涉及以下式(I)的化合物或其盐:其中,R1代表OR4或其他,其中R4是具有1-8个碳原子的烷基,可以具有取代基或类似物;R2是卤素,硝基,氰基,羧基或类似物;R3是氢,卤素,羟基,氨基,羧基或类似物;X是NR11,氧或硫,其中R11是氢或具有1-8个碳原子的烷基,可以具有取代基;Y和Z中的每一个都是CR12或氮,其中R12具有与上述R3相同的含义,并且包含该化合物作为活性成分的黄嘌呤氧化酶抑制剂。