Xanthine derivatives and their preparation and pharmaceutical formulation.

摘要

The present invention relates to new compounds of general Formula I and physiologically acceptable salts thereof <CHEM> wherein A and B stand for oxygen or -CH2 group with the proviso that if A stands for oxygen, then B stands for -CH2 group and R stands for hydrogen, if A represents a -CH2 group, then B stands for oxygen, R stands for a -CH2-Q group wherein Q stands for hydrogen, pyrrolidino, piperidino or morpholino and a process for the preparation thereof and pharmaceutical compositions containing as active ingredient a compound of the general Formula (I) or a physiologically acceptable salt thereof.