A xanthine derivative of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are substituted or unsubstituted alicyclic alkyl; m1 and m2 are the same or different and represent an integer of 0 to 2; and Q represents ##STR2## (in which R.sup.3 and R.sup.4 are the same or different and are substituted or unsubstituted alicyclic alkyl) or ##STR3## (in which n is 0 or 1, and Y is a single bond or alkylene); or a pharmaceutically acceptable salt thereof is disclosed. This derivative has diuretic activity and renal protecting activity.
本发明涉及一种
黄嘌呤衍
生物,其
化学式为(I):##STR1## 其中R.sup.1和R.sup.2相同或不同且是取代或未取代的脂环烷基;m1和m2相同或不同,表示0到2的整数;Q表示##STR2##(其中R.sup.3和R.sup.4相同或不同且是取代或未取代的脂环烷基)或##STR3##(其中n为0或1,Y为单键或烷基);或其药学上可接受的盐。此衍
生物具有利尿活性和肾脏保护活性。