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Issue 6, 2010
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Nitritereduction by copper complexes

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A series of copper complexes have been synthesised as potential agents for the catalytic reduction of nitrite anions. The ligands and corresponding copper complexes have been characterised by using a range of techniques including X-ray crystallography, NMR, microanalysis, mass spectrometry, infra-red spectroscopy, electrochemical studies and density functional theory calculations. For complexes with simple aliphatic substituents bonded to the equatorial donor nitrogen atoms, catalytic studies on the conversion of NO2 anions into NO and N2O gases revealed an excellent correlation between the initial rate of conversion and the experimental reduction potential as measured by cyclic voltammetry. Initial catalytic investigations reveal that these simple model complexes display a wide range of catalytic turnover rates, conversion yields and product gas compositions. Overall the results suggest that further investigations into the design and use of copper complexes as nitrite reduction catalysts are warranted.

Graphical abstract: Nitrite reduction by copper complexes

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Supplementary files

Article information

07 Jul 2009
09 Oct 2009
First published
05 Nov 2009

Dalton Trans., 2010,39, 1576-1585
Article type

Nitrite reduction by copper complexes

J. G. Woollard-Shore, J. P. Holland, M. W. Jones and J. R. Dilworth, Dalton Trans., 2010, 39, 1576
DOI: 10.1039/B913463H

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