Synthesis of 2-(4-Aryl-1E,3E-butadienyl)benzoxazoles by the Horner-Wadsworth-Emmons Reaction
摘要:
2-(4-Aryl-1E,3E-butadienyl)benzoxazole derivatives were synthesized by the Horner-Wadsworth-Emmons reaction of 2-phosphorylmethyl-benzoxazoles with cinnamaldehydes in fair to good yield.
New imidazopyridazinone and imidazopyridone derivatives, the preparation thereof and their use as pharmaceutical compositions
申请人:Eckhardt Matthias
公开号:US20050026921A1
公开(公告)日:2005-02-03
The present invention relates to substituted imidazo-pyridinones and imidazo-pyridazinones of general formula
wherein Y and R
1
to R
4
are defined as in claim
1,
the tautomers, enantiomers, 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).
IMIDAZOPYRIDAZINONE AND IMIDAZOPYRIDONE DERIVATIVES, THE PREPARATION THEREOF AND THEIR USE AS PHARMACEUTICAL COMPOSITIONS
申请人:ECKHARDT Matthias
公开号:US20090258856A1
公开(公告)日:2009-10-15
The present invention relates to substituted imidazo-pyridinones and imidazo-pyridazinones of general formula
wherein Y and R
1
to R
4
are defined as in claim
1
, the tautomers, enantiomers, 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).