Issue 16, 1996
From the journal:

Journal of the Chemical Society, Dalton Transactions

Iron catalysis of the reduction of oxime-bound nickel(IV) by hydroxylamine

Subrata Mandal,   Rathindra N. Bose,   John W. Reed  and  Edwin S. Gould  

Abstract

The nickel(IV) complex of the dianion of 2,6-diacetylpyridine dioxime was reduced very slowly by NH3OH+ at pH 1–3, but this reduction is catalysed dramatically by dissolved iron, with FeII being the active reductant. With NH3OH+ in excess, the products of the catalysed reaction are N2 and NiII. Non-exponential kinetic profiles for this reaction are consistent with a sequence in which FeII is generated by le– reduction of FeIII by NH2OH, after which FeII reduces NiIV to NiIIIvia competing protonated and non-protonated paths. Subsequent reduction of NiIII is taken to be rapid. Rate constants and equilibrium quotients calculated from 15 runs are in accord with literature values.

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Article information

DOI
https://doi.org/10.1039/DT9960003417
Article type
Paper

J. Chem. Soc., Dalton Trans., 1996, 3417-3419

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Iron catalysis of the reduction of oxime-bound nickel(IV) by hydroxylamine

S. Mandal, R. N. Bose, J. W. Reed and E. S. Gould, J. Chem. Soc., Dalton Trans., 1996, 3417 DOI: 10.1039/DT9960003417

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