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Mechanism of the inhibiting effect of quinone in the chain reaction of oxidation of isopropyl alcohol

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

Conclusions

  1. 1.

    Para-benzoquinone inhibits the oxidation of isopropanol, repeatedly participating in chain termination.

  2. 2.

    Kinetic evidence that the quinone reacts both with hydroxyperoxides and with hydroxyalkyl radicals of the alcohol undergoing oxidation was obtained. At a partial pressure of oxygen greater than 0.5 atm, chain termination according to the reaction of the quinone with hydroxyperoxide radicals predominates.

  3. 3.

    A mechanism of the inhibiting action of the quinone in alcohols undergoing oxidation was proposed. The relative rate constant of the reaction of hydroxyperoxide radicals with the quinone was measured.

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Literature cited

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2. pp. 328–331, February, 1969.

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Denisov, E.T. Mechanism of the inhibiting effect of quinone in the chain reaction of oxidation of isopropyl alcohol. Russ Chem Bull 18, 282–285 (1969). https://doi.org/10.1007/BF00905536

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  • DOI: https://doi.org/10.1007/BF00905536

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