Tetrahedron letters

One-pot dehydrogenation of carboxylic acid derivatives to α, β-unsaturated carbonyl compounds under mild conditions

J Matsuo, Y Aizawa

Index: Matsuo, Jun-Ichi; Aizawa, Yayoi Tetrahedron Letters, 2005 , vol. 46, # 3 p. 407 - 410

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Citation Number: 32

Abstract

Carboxylic acid derivatives such as N-acyl-2-oxazolidones, δ-lactones, and δ-lactams were smoothly dehydrogenated to the corresponding α, β-unsaturated carbonyl compounds in one-pot manner at− 78° C just by treating their lithium enolates with N-tert- butylbenzenesulfinimidoyl chloride.