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Cyclization of N1(1-Anthmquinonyl)-N2-phenylthiourea into thiazole derivatives

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

N1-(1-Anthraquinonyl)-N2-phenylthiourea, obtained from the reaction of 1-amino-anthraquinone with phenyl isothiocyanate, cyclizes in an alkaline medium into 2-3-dihydro-2-phenylimino-1H-anthra[1,2-d]thiazole-6,11-dione. Treatment of anthraquinonylthiourea with bromine in chloroform results in the formation of 1-(2-benzothiazolyl)aminoanthraquinone together with a small amount of anthrathiazole.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1273–1277, September, 1989.

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Savel'ev, V.A., Loskutov, V.A. Cyclization of N1(1-Anthmquinonyl)-N2-phenylthiourea into thiazole derivatives. Chem Heterocycl Compd 25, 1066–1070 (1989). https://doi.org/10.1007/BF00487313

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  • DOI: https://doi.org/10.1007/BF00487313

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