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Voltammetric studies of the Kolbe synthesis with perfluorocarboxylic acids prepared from hexafluoropropene oxide oligomers

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Abstract

Carboxylic acids prepared from hexafluoropropene oxide CF3CF2CF2O[CF(CF3)CF2O]nCF ⋅(CF3)COOH [n = 0, 2,5-bis(trifluoromethyl)-3,6-dioxaperfluorononanoic acid; n = 1, 2,5,8- tris(trifluoromethyl)-3,6,9-trioxaperfluorododecanoic acid], according to voltammetric data, enter the Kolbe reaction both at the Pt anode and at anodes from carbon materials in H2O-CH3CN and CH3OH-CH3CN solutions. The critical potential appreciably depends both on the anode material and on the solvent composition. Favorable effect of pyridine additions in H2O-CH3CN solutions is due to replacement of water molecules from the electrical double layer. The sodium ions exert a negative effect on the Kolbe synthesis.

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Authors and Affiliations

  1. State Research Institute of Organic Chemistry and Technology, Moscow, Russia

    O. N. Chechina, S. V. Sokolov & A. P. Tomilov

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  1. O. N. Chechina
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  2. S. V. Sokolov
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  3. A. P. Tomilov
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Translated from Zhurnal Obshchei Khimii, Vol. 74, No. 11, 2004, pp. 1842–1846.

Original Russian Text Copyright © 2004 by Chechina, Sokolov, Tomilov.

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Chechina, O.N., Sokolov, S.V. & Tomilov, A.P. Voltammetric studies of the Kolbe synthesis with perfluorocarboxylic acids prepared from hexafluoropropene oxide oligomers. Russ J Gen Chem 74, 1714–1718 (2004). https://doi.org/10.1007/s11176-005-0088-2

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  • DOI: https://doi.org/10.1007/s11176-005-0088-2

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