Synthesis and properties of N-methylmorpholinium 6-methyl-4-(4-pyridyl)-5-phenylcarbamoyl-3-cyano-1,4-dihydropyridine-2-thiolate

Article abstract of DOI:10.1007/BF02291943

Condensation of acetoacetic acid anilide, 4-pyridyl aldehyde, cyanothioacetamide and N-methylmorpholine gaveN-methylmoryholinium6-methyl-4-(4-pyridyl)-5-phenylcarbamoyl-3-cyano-1,4- dihydropyridine-2-thiolate from which were obtained the corresponding substituted pyridinethiones, 2-alkylthio-1,4-dihydropyridines and 3-amino-2-benzoyl-6-methyl-4-(4-pyridyl)-5-phenylcarbamoylthieno[2,3-b]pyridine. 1997 Plenum Publishing Corporation.