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EPR and polarography of nitroazoles. 5. First step in the electrochemical reduction of 2-substituted 5(6)-nitrobenzimidazole using a rotating platinum ring-disk electrode

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Using a rotating platinum ring-disk electrode, the electrochemical reduction of 2-substituted 5(6)-nitrobenzimidazoles at the platinum disk in acetonitrile and the oxidation of their radical anions at the ring were studied. During the reduction molecular hydrogen forms by a bimolecular reaction of two primary radical anions. The correlating of electrochemical quantities with the σI, σR, and σ substituent constants are evidence that E 2/d1 depends on substituent resonance and induction effects to about the same extent, whereas i dlim , n, and E 2/r1 depend predominantly on the resonance effect.

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Authors and Affiliations

  1. Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR, 6640-3, Irkutsk

    V. A. Lopyrev, L. I. Larina, I. M. Sosonkin, T. I. Vakul'skaya, G. L. Kalb & E. F. Shibanova

  2. All-Union Scientific-Research and Design Institute for Monomers, 300026, Tula

    V. A. Lopyrev, L. I. Larina, I. M. Sosonkin, T. I. Vakul'skaya, G. L. Kalb & E. F. Shibanova

Authors
  1. V. A. Lopyrev
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  2. L. I. Larina
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  3. I. M. Sosonkin
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  4. T. I. Vakul'skaya
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  5. G. L. Kalb
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  6. E. F. Shibanova
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Additional information

For Communication 4, see [1].

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 827–832, June, 1985.

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Lopyrev, V.A., Larina, L.I., Sosonkin, I.M. et al. EPR and polarography of nitroazoles. 5. First step in the electrochemical reduction of 2-substituted 5(6)-nitrobenzimidazole using a rotating platinum ring-disk electrode. Chem Heterocycl Compd 21, 688–692 (1985). https://doi.org/10.1007/BF00515074

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  • DOI: https://doi.org/10.1007/BF00515074

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