New 8-(3-amino-piperidin-1-yl)-7-(but-2-ynyl)-xanthines, the preparation thereof and their use as pharmaceutical compositions
申请人:Eckhardt Matthias
公开号:US20060058323A1
公开(公告)日:2006-03-16
The application relates to new substituted xanthines of general formula
wherein R
1
and R
2
are defined as in claims
1
to
11
, the tautomers, the enantiomers, the diastereomers, 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).