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Abstract <p>The spectral and luminescent properties of <i>N</i>,<i>N</i>′-bis(2-hydroxy-4-methylbenzylidene)-<i>N</i>-(2-aminoethyl)ethane-1,2-diamine, a new aromatic azomethine, have been studied. At 293 K, the substance fluoresces in solutions and in the polycrystalline state. The parameters of azomethine luminescence in solutions are determined by the solvent properties and excitation light energy. The luminescent activity of azomethine is determined by different contributions of its enol–imine and ketoenamine tautomeric forms depending on the nature of the solvent.</p>

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Synthesis and Spectral–Luminescent Properties of N,N'-Bis(2-hydroxy-4-methylbenzylidene)-N-(2-aminoethyl)ethane-1,2-diamine in Various Solvents

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • L. P. Ardasheva,
  • A. N. Borisov,
  • R. I. Baichurin,
  • L. D. Popov,
  • I. A. Estrin

摘要

Abstract

The spectral and luminescent properties of N,N′-bis(2-hydroxy-4-methylbenzylidene)-N-(2-aminoethyl)ethane-1,2-diamine, a new aromatic azomethine, have been studied. At 293 K, the substance fluoresces in solutions and in the polycrystalline state. The parameters of azomethine luminescence in solutions are determined by the solvent properties and excitation light energy. The luminescent activity of azomethine is determined by different contributions of its enol–imine and ketoenamine tautomeric forms depending on the nature of the solvent.