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Issue 9, 2017
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High turnover in electro-oxidation of alcohols and ethers with a glassy carbon-supported phenanthroimidazole mediator

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Abstract

Glassy carbon electrodes covalently modified with a phenanthroimidazole mediator promote electrochemical alcohol and ether oxidation: three orders of magnitude increase in TON, to ∼15 000 in each case, was observed compared with homogeneous mediated reactions. We propose the deactivation pathways in homogeneous solution are prevented by the immobilization: modified electrode reversibility is increased for a one-electron oxidation reaction. The modified electrodes were used to catalytically oxidize p-anisyl alcohol and 1-((benzyloxy)methyl)-4-methoxybenzene, selectively, to the corresponding benzaldehyde and benzyl ester, respectively.

Graphical abstract: High turnover in electro-oxidation of alcohols and ethers with a glassy carbon-supported phenanthroimidazole mediator

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Publication details

The article was received on 03 Jun 2017, accepted on 14 Jul 2017 and first published on 17 Jul 2017


Article type: Edge Article
DOI: 10.1039/C7SC02482G
Citation: Chem. Sci., 2017,8, 6493-6498
  • Open access: Creative Commons BY license
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    High turnover in electro-oxidation of alcohols and ethers with a glassy carbon-supported phenanthroimidazole mediator

    Bruce M. Johnson, R. Francke, R. D. Little and L. A. Berben, Chem. Sci., 2017, 8, 6493
    DOI: 10.1039/C7SC02482G

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