The present invention relates to substituted imidazo[4,5-d]pyridazin-4-ones of general formula
wherein R
1
to R
3
and n are defined as in claims
1
to
8
, the tautomers, enantiomers, diastereomers, 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).
本发明涉及一种通式如下的取代
咪唑并[4,5-d]
吡啶嗪-4-酮化合物,其中R1至R3和n如权利要求1至8中所定义,其互变异构体、对映异构体、非对映异构体、混合物及其盐具有有价值的药理学特性,特别是对二肽基肽酶-IV(
DPP-IV)酶活性具有抑制作用。