Imidazopyridazinediones, their preparation and their use as pharmaceutical compositions
申请人:Eckhardt Matthias
公开号:US20050203095A1
公开(公告)日:2005-09-15
The invention relates to substituted imidazopyridazinediones of general formula
wherein R
1
and R
4
are defined as in claim 1, 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).
Imidazopyridazinediones, Their Preparation And Their Use As Pharmaceutical Compositions
申请人:Eckhardt Matthias
公开号:US20070142383A1
公开(公告)日:2007-06-21
The invention relates to substituted imidazopyridazinediones of general formula
wherein R
1
to R
4
are defined as in claim
1
, 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).
Systematic variations of the xanthine scaffold in close analogs of development compound BI 1356 led to the class of 3,5-dihydro-imidazo[4,5-d]pyridazin-4-ones which provided, after substituent screening, a series of highly potent DPP-4 inhibitors. (C) 2008 Elsevier Ltd. All rights reserved.
ISOQUINOLINECARBOXAMIDES AS INHIBITORS OF STEAROYL-COA DESATURASE (SCD)