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Reaction of Lawesson Reagent with 1,2-(N-Benzyliden)iminoalcohols

✍ Scribed by P. I. Gryaznov; O. E. Naumova; D. R. Alimova; D. B. Krivolapov; I. A. Litvinov; V. A. Al'fonsov

Book ID
106522958
Publisher
Springer
Year
2005
Tongue
English
Weight
95 KB
Volume
75
Category
Article
ISSN
1070-3632

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## Abstract The mechanism of the reaction under discussion has been established by investigating the products of the reaction between 2,4‐bis(4‐methoxyphenyl)‐1,3,2,4‐dithiadiphosphetane 2,4‐disulfide (Lawesson’s reagent, LR) and __N__‐alkylhydroxamic acids HAs **1**. The primary intermediate is an

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## Abstract Easily accessible N^2^‐acyl derivatives of 2‐aryl‐5‐hydrazino‐1,3‐oxazole‐4‐carbonitriles react peculiarly with the Lawesson reagent. In addition to thionation, the reaction involves a recyclization to afford new substituted 2‐(5‐amino‐1,3‐thiazol‐4‐yl)‐1,3,4‐thiadiazoles. Their structu