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Formation of radical pairs in the photolysis of 2, 6-di(tert-butyl)-l,4-benzoquinonediazide in single crystals of 2,6-di(tert-butyl)-4-methylphenol

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

Abstract

In the photolysis of single crystals of 2,6-di(tert-butyl)-4-methylphenol with the addition of 2,4-di(tert-butyl)-l,4-benzoquinonediazide it was found that they form carbenes and radical pairs with r1=6.0 å, which are secondary products of the photolysis of the quinonediazide and which form as a result of transfer of a hydrogen atom from the phenol to the carbene. The high thermal stability of these radical pairs makes it possible to use them as two-spin probes. Also found were radical products that are annealed by light with wavelength greater than 560 nm and are hypothetically classified as ion-radical pairs with rav=8.9 å.

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Authors and Affiliations

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

    G. G. Lazarev, V. L. Kuskov & Ya. S. Lebedev

Authors
  1. G. G. Lazarev
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  2. V. L. Kuskov
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  3. Ya. S. Lebedev
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 560–564, March, 1991.

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Lazarev, G.G., Kuskov, V.L. & Lebedev, Y.S. Formation of radical pairs in the photolysis of 2, 6-di(tert-butyl)-l,4-benzoquinonediazide in single crystals of 2,6-di(tert-butyl)-4-methylphenol. Russ Chem Bull 40, 483–486 (1991). https://doi.org/10.1007/BF00957980

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  • DOI: https://doi.org/10.1007/BF00957980

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