Journal of the Chinese Chemical Society

Unusual thionation via fragmentation

TL Ho, RJ Chein

Index: Ho, Tse-Lok; Chein, Rong-Jie Journal of the Chinese Chemical Society, 2005 , vol. 52, # 6 p. 1223 - 1225

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Abstract

Abstract Reaction of 4, 4-dichloro-2, 6-diphenyl-4, 4-dihydropyrane (2) with thiols in the presence of triethylamine gives interesting results. The exclusive formation of 2, 6- diphenylpyran-4-thione (3) in the reaction with PhSH through cleavage of C Ar-S bond is remarkable.