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Communication | Regular issue | Vol 20, No. 5, 1983, pp.783-786
Published online, 1st January, 1970
DOI: 10.3987/R-1983-05-0783
Synthesis of Heterocyclic Compounds XXXV. Thiopyridones from α-Benzoylcinnamonitriles

M. Jesús Rubio, Carlos Seoane, and José L. Soto

*Departamento de Química Orgánica, Facultad de Química, Universidad Complutense de Madridas, Ciudad Universitaria, E-28040 Madrid, Spain

Abstract

2-Pyridothiones (IV) are obtained from the reaction of α-benzoylcinnamonitriles (I) with cyanothioacetamide (II). Disulphides V result as well from the reaction. Transformation of IV into V and of V into IV, as well as methylation of IV and their hydrolytic conversion into pyridones VI are also described. Pyridones VI can also be obtained from methylthiopyridines VIII.