Synlett

The Use of Propane Phosphonic Acid Anhydride (PPAA) in the Synthesis of N-Acyloxythiazole-2 (3H)-thiones

J Hartung, M Schwarz

Index: Hartung, Jens; Schwarz, Michaela Synlett, 2000 , # 3 p. 371 - 373

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Citation Number: 10

Abstract

Abstract: A mild and efficient new method for the preparation of O-acyl derivatives of N- hydroxythiazole-2 (3H)-thiones and N-hydroxypyridine-2 (1H)-thiones (Barton-anhydrides) from cyclic thiohydroxamic acids, carboxylic acids, propane phosphonic acid anhydride (PPAA) and 1, 4-diazabicyclo [2.2. 2] octane (DABCO) was developed. Key words: thiohydroxamic acid, propane phosphonic acid anhydride, pyridinethione, thiazolethione, ...