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Kinetics and mechanism of the interaction of sterically hindered phenols with singlet oxygen

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

Conclusions

  1. 1.

    A study has been made of the kinetics of the photosensitized oxidation of sterically hindered phenols with para-substituents, and ofα- andβ-naphthols, in n-butanol, and rate constants have been determined for the reactions of these compounds with singlet oxygen. The data obtained indicate that the primary photochemical act involves electron transfer from the phenol to the1O2.

  2. 2.

    It has been shown that there is a correlation between the kinetic constant kr and kRO 2, the constant characterizing the reactivity of the phenol with respect to the peroxide radical. The existence of such correlation opens the possibility of determining kRO 2 from the value of kr.

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Authors and Affiliations

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

    A. P. Snyakin, L. V. Samsonova, V. Ya. Shlyapintokh & V. V. Ershov

Authors
  1. A. P. Snyakin
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  2. L. V. Samsonova
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  3. V. Ya. Shlyapintokh
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  4. V. V. Ershov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 55–61, January, 1978.

The authors would like to thank G. A. Nikiforov for a discussion of the results obtained in this work.

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Snyakin, A.P., Samsonova, L.V., Shlyapintokh, V.Y. et al. Kinetics and mechanism of the interaction of sterically hindered phenols with singlet oxygen. Russ Chem Bull 27, 46–52 (1978). https://doi.org/10.1007/BF01153206

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  • DOI: https://doi.org/10.1007/BF01153206

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