8-(piperazin-1yl)- and 8-([1,4]diazepan-1yl)-xanthines, the preparation thereof and their use as pharmaceutical composition
申请人:Himmelsbach Frank
公开号:US20050130985A1
公开(公告)日:2005-06-16
The present invention relates to substituted xanthines of the general formula
in which R
1
to R
3
and n are as defined in claims
1
to
8,
their tautomers, their enantiomers, their diastereomers, their mixtures, their prodrugs and their salts, which have valuable pharmacological properties, in particular an inhibitory action on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
本发明涉及一般式为
其中R1至R3和n如权利要求1至8所定义的取代黄嘌呤,它们的互变异构体、对映异构体、非对映异构体、混合物、前药和盐,具有有价值的药理学特性,特别是对酶二肽基肽酶IV(DPP-IV)的抑制作用。