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Study of Methylbenzylthione Photoreaction Using Chemically Induced Nuclear Polarization

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Abstract

The mechanisms of photoreactions of methylbenzylthione PhCH2CSCH3 (1) were studied by NMR spectroscopy with chemically induced dynamic nuclear polarization (CIDNP). It was established from the sign of 13C and 1H CIDNP that polarization occurs during the decay of excited thioketones in the triplet state. The elementary acts of the reaction and intermediate compounds were proved. It was found that photolysis of thione (1) is a Norrish type I reaction with predominant recombination in the radical pair and regeneration of the starting thioketone.

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Authors and Affiliations

  1. Volgograd State University, 400005, Volgograd, Russia

    V. I. Porkhun, N. A. Kuznetsova, A. G. Podoprigora & I. L. Gonik

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  1. V. I. Porkhun
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  2. N. A. Kuznetsova
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  3. A. G. Podoprigora
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  4. I. L. Gonik
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Correspondence to N. A. Kuznetsova.

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Translated by L. Smolina

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Porkhun, V.I., Kuznetsova, N.A., Podoprigora, A.G. et al. Study of Methylbenzylthione Photoreaction Using Chemically Induced Nuclear Polarization. Russ. J. Phys. Chem. 96, 2547–2550 (2022). https://doi.org/10.1134/S0036024422110243

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  • DOI: https://doi.org/10.1134/S0036024422110243

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