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Synthesis 1985; 1985(10): 933-934
DOI: 10.1055/s-1985-31389
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Boron Trifluoride-Catalyzed Cyclization of N-Substituted-N′-(3-substituted propenoyl)-thioureas: A New Synthesis of 1,3-Thiazines

Milan Dzurilla* , Peter Kutschy, Pavol Kristian
  • *Department of Organic Chemistry and Biochemistry, Faculty of Sciences, P. J. Šafárik University, 04167 Košice, Czechoslovakia
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Publikationsdatum:
27. September 2002 (online)

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2,6-Disubstituted-5,6-dihydro-4H-1,3-thiazin-4-ones (2) are readily prepared by the boron trifluoride etherate-catalyzed cyclization of N-substituted-N′-(3-substituted propenoyl)-thioureas (1).