Tetrahedron letters

An unexpected synthesis of 3, 5-diaryl-1, 2, 4-thiadiazoles from thiobenzamides and methyl bromocyanoacetate

AS Mayhoub, E Kiselev, M Cushman

Index: Mayhoub, Abdelrahman S.; Kiselev, Evgeny; Cushman, Mark Tetrahedron Letters, 2011 , vol. 52, # 38 p. 4941 - 4943

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Citation Number: 9

Abstract

Abstract Aryl thioamides undergo very rapid condensation in the presence of methyl bromocyanoacetate to provide quantitative yields of 3, 5-diaryl-1, 2, 4-thiadiazoles with an easy work-up and a high degree of product purity. The method can be scaled up with no loss in efficiency.