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Issue 28, 2014
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Solvent and electrolyte effects on Ni(PR2NR′2)2-catalyzed electrochemical oxidation of hydrogen

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Abstract

We report solvent and electrolyte effects on the electrocatalytic oxidation of H2 using Ni(PCy2NR′2)2 (R = Bn, tBu) complexes. A turnover frequency of 46 s−1 for Ni(PCy2NBn2)2 was obtained using 0.2 M [nBu4N][BF4] in THF. A turnover frequency of 51 s−1 was observed for Ni(PCy2NtBu2)2 using 0.2 M [nBu4N][B(C6F5)4] in fluorobenzene. These observations, in conjunction with previous studies, indicate nitrile binding inhibits catalysis supported by Ni(PCy2NBn2)2.

Graphical abstract: Solvent and electrolyte effects on Ni(PR2NR′2)2-catalyzed electrochemical oxidation of hydrogen

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Supplementary files

Article information


Submitted
14 Jan 2014
Accepted
12 Feb 2014
First published
18 Feb 2014

Chem. Commun., 2014,50, 3681-3684
Article type
Communication
Author version available

Solvent and electrolyte effects on Ni(PR2NR′2)2-catalyzed electrochemical oxidation of hydrogen

R. M. Stolley, J. M. Darmon and M. L. Helm, Chem. Commun., 2014, 50, 3681
DOI: 10.1039/C4CC00295D

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