Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions
申请人:——
公开号:US20020198205A1
公开(公告)日:2002-12-26
The present invention relates to substituted xanthines of general formula
1
wherein R
1
to R
4
are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
Xanthine derivatives,production and use thereof as medicament
申请人:——
公开号:US20040077645A1
公开(公告)日:2004-04-22
The present invention relates to substituted xanthines of general formula
1
wherein R
1
to R
4
are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
XANTHINE DERIVATIVES, THE PREPARATION THEREOF AND THEIR USE AS PHARMACEUTICAL COMPOSITIONS
申请人:Himmelsbach Frank
公开号:US20060247226A1
公开(公告)日:2006-11-02
The present invention relates to substituted xanthines of general formula
wherein R
1
to R
4
are defined as in claim 1, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
Xanthine derivatives, the preparation thereof and their use as pharmaceutical compositions
申请人:HIMMELSBACH Frank
公开号:US20110144095A1
公开(公告)日:2011-06-16
The present invention relates to substituted xanthines of general formula
wherein R
1
to R
4
are as defined herein, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
Xanthine Derivatives, the Preparation Thereof and Their Use as Pharmaceutical Compositions
申请人:HIMMELSBACH Frank
公开号:US20120035158A1
公开(公告)日:2012-02-09
The present invention relates to substituted xanthines of general formula
wherein R
1
to R
4
are defined as in claim
1
, the tautomers and the stereoisomers thereof, mixtures thereof, the prodrugs and the salts thereof which have valuable pharmacological properties, particularly an inhibiting effect on the activity of the enzyme dipeptidylpeptidase-IV (DPP-IV).