申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US08263622B2
公开(公告)日:2012-09-11
The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal plasma uric acid level and the like. The present invention relates to fused ring derivatives represented by the following formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of plasma uric acid level, prodrugs thereof, salts thereof or the like. In the formula (I), X1 and X2 represent CH or N; ring U represents aryl or heteroaryl; m represents integral number from 0 to 2; n represents integral number from 0 to 3; R1 represents a hydroxy group, amino or C1-6 alkyl; R2 represents C1-6 alkyl, C1-6 alkoxy C1-6 alkyl or the like.
本发明提供了化合物,作为预防或治疗与异常血浆尿酸水平等相关疾病的药剂。本发明涉及以下式(I)所代表的融合环衍生物,具有黄嘌呤氧化酶抑制活性,并且作为预防或治疗与血浆尿酸水平异常相关疾病的药剂、它们的前药、其盐或类似物。在式(I)中,X1和X2代表CH或N;环U代表芳基或杂环芳基;m表示从0到2的整数;n表示从0到3的整数;R1代表羟基、氨基或C1-6烷基;R2代表C1-6烷基、C1-6烷氧基C1-6烷基或类似物。