4.4 Article

Synthesis, Solution and Solid-State Fluorescence of2-(N-cycloamino)cinchomeronic Dinitrile Derivatives

Journal

CHEMISTRYSELECT
Volume 5, Issue 24, Pages 7243-7248

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202001710

Keywords

Cinhomeronic dinitriles; Dual state emission; Fluorescence; Nitrile-rich chromophores; Nitrogen heterocycles

Funding

  1. Ministry of Science and Higher Education of the Russian Federation [0849-2020-0003]

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A facile approach to the synthesis of novel 2-(N-cycloamino)cinchomeronic dinitriles showing intense photoluminescence both in solution and solid state was developed. Absorption, fluorescence and solvatochromic properties were investigated. It was found that the 2-(N-cycloamino)cinchomeronic dinitrile derivatives containing conjugated aryl moiety show intense emission in nonpolar solvents with fluorescence quantum yield up to 0.8.

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