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Inorg Chem. 2008 Dec 15;47(24):11458-60. doi: 10.1021/ic8015595.

Proton-coupled electron-transfer oxidation of phenols by hexachloroiridate(IV).

Author information

1
Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, USA.

Abstract

One-electron oxidation of phenol, 2,4,6-trimethylphenol, and 2,6-dimethylphenol by [IrCl(6)](2-) in aqueous solution has a simple pH dependence, indicating slow bimolecular oxidation of ArOH and faster oxidation of ArO(-). H/D kinetic isotope effects as large as 3.5 for oxidation of ArOH support concerted proton-coupled electron transfer with water as the proton acceptor.

PMID:
19006385
DOI:
10.1021/ic8015595
[Indexed for MEDLINE]

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