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Polarization of the fluorescence of isomers of the photoinduced form of a nitro-substituted spiropyran at low temperatures

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Summary

  1. 1.

    Polarization fluorescence spectra of the photoinduced form of 1,3,3-trimethyl-6′-nitrospiro(indoline-2,2′0[1(2H)]-benzopyran) have been measured in petroleum ether at 77 and 113°K and the angles between the oscillators of the two electronic transitions have been determined.

  2. 2.

    Irradiation of the solution at 77°K leads to the formation of a cis-cisoid isomer of the open form of the spiropyran, which, with a rise in the temperature, passes into the most stable stereoisomer of the colored form.

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Literature cited

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Authors and Affiliations

  1. Institute of Chemical Physics, Academy of Sciences of the USSR, Moscow

    V. S. Marevtsev, A. T. Gradyushko, V. D. Ermakova, V. A. Linskii & M. I. Cherkashin

Authors
  1. V. S. Marevtsev
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  2. A. T. Gradyushko
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  3. V. D. Ermakova
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  4. V. A. Linskii
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  5. M. I. Cherkashin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1249–1254, June, 1981.

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Marevtsev, V.S., Gradyushko, A.T., Ermakova, V.D. et al. Polarization of the fluorescence of isomers of the photoinduced form of a nitro-substituted spiropyran at low temperatures. Russ Chem Bull 30, 984–988 (1981). https://doi.org/10.1007/BF00950277

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  • DOI: https://doi.org/10.1007/BF00950277

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