C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/211, 260/245
C07D 211/90 (2006.01) C07D 401/04 (2006.01) C07D 491/04 (2006.01) C07D 491/048 (2006.01)
Patent
CA 1300626
ABSTRACT Blood-sugar-lowering dihydropyridines of the formula Image in which R1 represents phenyl, naphthyl, thienyl, pyridyl, chromenyl or thiochromenyl, it being possible for the radicals mentioned each to carry up to 2 iden- tical or different substituents from the series comprising halogen alkyl, alkoxy and alkylthio with in each case up to 6 carbon atoms, fluoro- alkyl and fluoroalkoxy with in each case up to 3 carbon atoms and 3 fluorine atoms, nitro and cyano, R2 represents straight-chain, branched or cyclic alkyl which has up to 8 carbon atoms, can be interrupted in the alkyl chain by an oxygen or a sulphur atom and can be substituted by halogen, phenyl, cyano, hydroxyl, amino, alkylamino or dialkylamino with in each case up to 3 carbon atoms per alkyl group or by N-benzylmethylamino, R3 represents straight-chain, branched or cyclic alkyl which has up to 6 carbon atoms, can be interrupted in the alkyl chain by an oxygen atom and can be substituted by halogen, hydroxyl, amino, phenyl, morpholino, carboxy or alkoxycar- bonyl with up to 4 carbon atoms and R4 and R5 each represent hydroxyl, or R4 and R5 together represent -O-, or a physiologically acceptable salt thereof. Le A 24 766
545604
Ahr Hans-Jurgen
Bender Joachim
Bischoff Hilmar
Goldmann Siegfried
Petzinna Dieter
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
LandOfFree
Dihydropyridine compounds, processes for their preparation... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dihydropyridine compounds, processes for their preparation..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dihydropyridine compounds, processes for their preparation... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1328205