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,可用于治疗与血浆
尿酸水平异常有关的疾病。下式(I)代表的8-修饰
嘌呤核苷衍
生物、其原药或其药学上可接受的盐,或其
水合物或溶解物可用于预防或治疗痛风、高
尿酸血症、尿路结石、高
尿酸血症肾病或类似疾病。
式中,n 是 1 或 2;
RA 是
氢原子或羟基;R1 是
氢原子、羟基、
硫醇基、
氨基或
氯原子;环 J 代表任选取代的 2-
萘基,或下式通式(II)所代表的基团,其中 Y 代表单键或连接基团;环 Z 代表任选取代的芳基或杂芳基或类似基团;以及 R2 至 R4、P1 和 Q 代表卤素原子、
氰基或类似基团。