Novel xanthine compounds represented by the following formula:
wherein each of R1 and R2 independently represents allyl or propargyl; R3 represents hydrogen or lower alkyl; each of X1 and X2 independently represents oxygen or sulfur; Y represents a single bond or alkylene, and n represents 0 or 1; and pharmaceutically acceptable salts thereof have a diuretic effect and a renal-protecting effect.
下式所代表的新型
黄嘌呤化合物:
其中 R1 和 R2 各自独立地代表烯丙基或
丙炔基;R3 代表氢或低级烷基;X1 和 X2 各自独立地代表氧或
硫;Y 代表单键或亚烷基,n 代表 0 或 1;其药学上可接受的盐类具有利尿作用和肾保护作用。