%0 Journal Article %T Design and Synthesis of a Conformationally Rigid Mimic of the Dihydropyrimidine Calcium Channel Modulator SQ 32,926 %A Birgit Jauk %A Tetiana Pernat %A C. Oliver Kappe %J Molecules %D 2000 %I MDPI AG %R 10.3390/50300227 %X A conformationally rigid polyheterocycle (3) which mimics the putative receptorbound conformation of dihydropyridine-type calcium channel modulators is prepared in a seven-step reaction sequence based on a Biginelli-type cyclocondensation reaction. %K Dihydropyrimidines %K Biginelli reaction %K isom¨šnchnones %K 1 %K 3-dipolar cycloaddition reactions %K AM1 calculations %K conformation %U http://www.mdpi.com/1420-3049/5/3/227