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Excited-state intramolecular proton transfer in 2,4,5-triarylimidazole molecules

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Abstract

Excited-state intramolecular proton transfer (ESIPT) in the 2,4,5-triarylimidazole molecules was studied by spectral-luminescent technique. For 4,5-diphenyl-(2-hydroxyphenyl)imidazoles, the ESIPT occurs in both liquid and glassy matrices at 77 K. For 4,5-diphenyl-(2-hydroxynaphthyl)imidazole, the ESIPT requires rotation of molecular fragments and is not observed at 77 K.

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Authors and Affiliations

  1. Russian Academy of Sciences, N. N. Semenov Institute of Chemical Physics, 4 ul. Kosygina, 119991, Moscow, Russian Federation

    A. I. Shienok, L. S. Kol"tsova, N. L. Zaichenko & V. S. Marevtsev

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  1. A. I. Shienok
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  2. L. S. Kol"tsova
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  3. N. L. Zaichenko
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  4. V. S. Marevtsev
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Shienok, A.I., Kol"tsova, L.S., Zaichenko, N.L. et al. Excited-state intramolecular proton transfer in 2,4,5-triarylimidazole molecules. Russian Chemical Bulletin 51, 2050–2054 (2002). https://doi.org/10.1023/A:1021607825803

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