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Addition-Cyclization Reactions of Hexa-2,4-dienoyl Isothiocyanate with Amines and Sodium Hydrogen Sulfide

M. Ružinský, M. Dzurilla, P. Kutschy, and V. Kováčik

Department of Organic Chemistry, Faculty of Natural Sciences, P. J. Šafárik University, SK-041 67 Košice

 

E-mail: ruzinsky@kosice.upjs.sk

Abstract: 1,3-Thiazin-4-one derivatives were synthesized by boron trifluoride-catalyzed intramolecular cyclization of N-substituted N'-(hexa-2,4-dienoyl)thioureas and by the reaction of hexa-2,4-dienoyl isothiocyanate with sodium hydrogen sulfide. The structure of the prepared compounds was confirmed by their IR, 1H  and 13C  NMR spectra.

Full paper in Portable Document Format: 534a260.pdf

 

Chemical Papers 53 (4) 260–264 (1999)

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