Russian Journal of Electrochemistry. 2022. Vol. 58. P. 303
The electrochemical reduction of a series of azines is studied by cyclic voltammetry. The reduction of azines of 1-tetralone, propiophenone, phenylbenzylketone, acetophenone, m-chloroacetophenone, and p-methoxyacetophenone proceeds in two stages: the reversible formation of a radical anion in the first stage and the irreversible formation of a dianion in the second rate-determining stage. Azines of 2-indanone and dibenzylketone demonstrate a single peak of the reduction to dianione (irreversible). The diffusion coefficients, the transfer coefficients, the electron transfer rate constants, and the Matsuda–Ayabe criteria of reversibility are determined for all these azines.
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