Spectral luminescent properties of a new aromatic azomethine N,N’-bis(2-hydroxy-4-methylbenzylidene)-N-(2-aminoethyl)ethane-1,2-diamine have been studied. At 293 K the substance fluoresces in solution and polycrystalline state. The luminescence parameters of azomethine in solutions are determined by the properties of the solvent and the excitation light energy. Depending on the nature of the solvent, the luminescence activity of azomethine is due to the different contribution of its tautomeric forms, i.e., enol-imine and keto-enamine.
L.P. Ardasheva (Wed,) studied this question.
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