The present invention relates to substituted xanthines of general formula
wherein R
1
and R
2
are defined as in the claims, the tautomers, the stereoisomers, the mixtures thereof, and the salts thereof, which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
本发明涉及一般式中的取代
黄嘌呤,其中R1和R2如索赔中定义,其互变异构体、立体异构体、混合物以及盐具有有价值的药理特性,特别是对酶二肽基肽酶-IV(
DPP-IV)的抑制作用。