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A new synthesis of 1,3-thiazines and their transformation into 1-substituted-6-alkyluracils by extrusion of carbonyl sulfide

✍ Scribed by Valera N. Yuskovets; Boris A. Ivin

Publisher: Elsevier Science
Year: 2003
Tongue: French
Weight: 70 KB
Volume: 44
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(03)01262-0

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✦ Synopsis

A simple synthesis of 5-acyl-4-hydroxy-3,6-dihydro-2H-1,3-thiazine-2,6-diones from malonic acid, potassium thiocyanate and acid anhydrides is described. A new, general, regioselective method for the synthesis of 1-substituted-6-alkyluracils by the reaction of these thiazines with primary alkyl and arylamines is reported.

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