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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| Institution: | (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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