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Negative Photochromism of Solutions of Functionalized Spiropyrans in a Water—Acetonitrile Mixture

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Abstract

A spectral-kinetic study of photochromic functionalized nitro-substituted indoline spiropyrans in water-acetonitrile mixtures has allowed to observe for the first time the effect of negative photochromism due to the self-assembly of photochromic molecules in a mixed solvent with the formation of hydrogen bonds and proton complexes.

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Funding

This study was financially supported by the Ministry of Education and Science in the scope of the State Task for Photochemistry Center “Crystallography and Photonics” of Russian Academy of Sciences (spectral-kinetic studies) and RFBR (projects 18-33-20027 and MK-3058.2018.3) (synthesis of compounds).

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Authors and Affiliations

  1. Photochemistry Center of the Federal Research Center “Crystallography and Photonics” of the Russian Academy of Sciences, ul. Novatorov 7a/1, Moscow, 119421, Russia

    T. M. Valova & V. A. Barachevsky

  2. Interdepartmental Center for Analytical Research, the Presidium of the Russian Academy of Sciences, Moscow, Russia

    V. A. Barachevsky

  3. Institute of Petrochemistry and Catalysis of the Russian Academy of Sciences, Ufa, Russia

    A. A. Khuzin & A. R. Tuktarov

Authors
  1. T. M. Valova
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  2. V. A. Barachevsky
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  3. A. A. Khuzin
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  4. A. R. Tuktarov
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Corresponding author

Correspondence to V. A. Barachevsky.

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No conflict of interest was declared by the authors.

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Russian Text © The Author(s), 2019, published in Zhurnal Obshchei Khimii, 2019, Vol. 89, No. 9, pp. 1375–1378.

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Valova, T.M., Barachevsky, V.A., Khuzin, A.A. et al. Negative Photochromism of Solutions of Functionalized Spiropyrans in a Water—Acetonitrile Mixture. Russ J Gen Chem 89, 1783–1786 (2019). https://doi.org/10.1134/S1070363219090093

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  • DOI: https://doi.org/10.1134/S1070363219090093

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