Tetrahedron

Enchainements heteroatomiques et leurs produits de cyclisation—II: N, N-dimethyl N′-thioaroylformamidines, aroyl-5 thiazoles et 6H-thiazine-1, 3 ones (thiones)-6 …

JC Meslin, H Quiniou

Index: Meslin,J.C.; Quiniou,H. Tetrahedron, 1975 , vol. 31, p. 3055 - 3058

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Citation Number: 25

Abstract

N′-Thioaroyl-N, N-dimethylformamidines undergo exchange of sulphur for oxygen on treatment with benzonitrile oxide, are hydrolysed to thioamides by ammonia, hydrazine and hydroxylamine, undergo S-methylation on treatment with methyl iodide, and react with α- bromoketones and ketenes to give 5-aroylthiazoles and 6-oxo-6H-1, 3-thiazines respectively.