申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US07795236B2
公开(公告)日:2010-09-14
The present invention provides an 8-modified purinenucleoside derivative which is useful for diseases associated with an abnormality of plasma uric acid level. An 8-modified purinenucleoside derivative represented by the following formula (I), a prodrug thereof or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, is useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like.
In the formula, n is 1 or 2; RA is a hydrogen atom or a hydroxyl group; R1 is a hydrogen atom, a hydroxyl group, a thiol group, an amino group or a chlorine atom; ring J represents an optionally substituted 2-naphthyl group, or a group represented by the following general formula (II) wherein Y represents a single bond or a connecting group; ring Z represents an optionally substituted aryl group or heteroaryl group or the like; and R2 to R4, P1 and Q represents a halogen atom, a cyano group or the like.
本发明提供了一种8-修饰嘌呤核苷衍生物,该衍生物对于与血浆尿酸水平异常相关的疾病具有用途。式(I)所表示的8-修饰嘌呤核苷衍生物,其前药或其药学上可接受的盐,或其水合物或溶剂化物,对于痛风、高尿酸血症、尿路结石、高尿酸性肾病等的预防或治疗有用。
在式中,n为1或2;RA为氢原子或羟基;R1为氢原子、羟基、硫醇基、氨基或氯原子;环J代表一个可选择取代的2-萘基团,或由下述通式(II)所表示的团基,其中Y表示单键或连接基;环Z代表一个可选择取代的芳基团或杂环芳基团等;而R2至R4、P1和Q代表卤素原子、氰基或类似物。