The formation of 1,2,4-triazolylimidazolidine-2,4-diones in reactions of 3-aryl-1,2,4-triazin-5(2H)-ones with alkylureas |
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| Authors: | Beresnev D. G. Rusinov G. L. Ponomareva A. Yu. Chupakhin O. N. |
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| Affiliation: | (1) I. Ya. Postovskii Institute of Organic Synthesis, Ural Division of the Russian Academy of Sciences, 20 ul. S. Kovalevskoi, 620219 Ekaterinburg, Russian Federation |
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| Abstract: | Recyclization of the addition products of alkylureas to 3-aryl-1,2,4-triazin-5(2H)-ones affording 1,2,4-triazole derivatives was found to occur in Ac2O. |
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| Keywords: | 1,2,4-triazin-5(2H)-ones ureas 6-ureido-1,2,4-triazines 1,2,4-triazolylimidazolidine-2,4-diones 1,2,4-triazoles nucleophilic addition to azines |
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