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Reaction of 1,6-diamino-4-aryl-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile with electrophilic agents
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1  Kuban state university
2  ChemEx Lab, Vladimir Dal’ Lugansk National University
3  North Caucasus Federal University
Academic Editor: Julio A. Seijas


1,6-diamino-2-oxo-1,2-dihydropyridine-3,5-dicarbonitrile, prepared by the reaction of cyanoacetohydrazide with arylmethylene malononitriles, react with ninhydrin to give correspondingWith the formation of derivatives of dihydroindeno[1,2-e]pyrido[1,2-b][1,2,4]triazines. The reaction with glyoxal proceeds under mild conditions with the formation of 1,2,4-triazolo[1,5-a]pyridine.

Keywords: 1,6-diaminopyridines; cyanoacethydrazide; malononitrile