8-Bromo-1-iso-butyl-3-methyl-7-(thietanyl-3)
xanthine (II) was synthesized by alkylation of 8-bromo
-3-methyl-7-(1,1-dioxothietanyl-3)
xanthines with sodium ethoxide synthesized 8-amino-substituted 1
of the formed clots. The influence of firstly synthesized
xanthine derivative and ethamsylate on the functional