Compounds of the formula (II):
wherein:
X is sulphur and Y is oxygen or sulphur;
R, is an alkyl group of up to 6 carbon atoms;
R2 is an alkyl group of up to 6 carbon atoms; and
n is 1; or
X is oxygen and Y is sulphur; one of R, and R2 is an alkyl group of up to 6 carbon atoms and the other is an alkyl group of 2 to 6 carbon atoms; and
n is 1 or 2, having useful pharmacological activity, pro-drugs therefor, a process for their preparation, pharmaceutical compositions containing said compounds or pro-drugs, and intermediate in their preparation of the compounds.
式(II)化合物:
其中
X 是
硫,Y 是氧或
硫;
R 是最多 6 个碳原子的烷基;
R2 是最多 6 个碳原子的烷基;以及
n 为 1;或
X 是氧,Y 是
硫;R 和 R2 中的一个是最多 6 个碳原子的烷基,另一个是 2 至 6 个碳原子的烷基;以及
n 为 1 或 2,具有有用的药理活性、其原药、制备工艺、含有所述化合物或原药的药物组合物以及制备化合物的中间体。