volume 6, issue 57, P52201-52211 2016
DOI: 10.1039/c6ra08873b
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Abstract: The ring-chain tautomerism of 2-imino-2H-pyran derivatives annelated with an aromatic or aliphatic ring and their transformation into corresponding 2-pyridons were studied based on the relative stabilities of two series of model isomers calculated by the DFT method.