Novel Synthesis of 1,3‐Thiazine and Pyrimidinethione Derivatives from (1‐Aryl ethylidene)hydrazinecarbothioamides and Tetracyanoethylene
作者： Alaa A. Hassan , Yusria R. Ibrahim , Essmat M. El-Sheref , Stefan Bräse
DOI: 10.1002/JHET.2350
关键词:
摘要: 1,3-Thiazine-5,6,6-tricarbonitrile and 2-thioxo-2,3-dihydropyrimidine-4,5-dicarbonitriles derivatives were synthesized via interactions between (1-aryl ethylidene)hydrazinecarbothioamides tetracyanoethylene to give the of tetracyanoethane tricyanovinylation intermediates, followed by heterocyclization. The structures products have been confirmed different spectroscopic analyses. A rational for formation is presented.
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