ChemInform Abstract: Potential Cardiotonic Agents. Part 4. Synthesis, Cardiovascular Activity, Molecular, and Crystal Structure of 5-Phenyl- and 5-(4-Pyridinyl)-Substituted 2(1H)-Pyridinethiones.

Abstract The butenones (I) are cyclized with cyanothioacetamide (II) to form the pyridinethiones (III).