Issue 31, 2012

Spectroscopic capture and reactivity of S = 1/2 nickel(iii)–oxygen intermediates in the reaction of a NiII-salt with mCPBA

Abstract

Ni(III)-intermediates are trapped by EPR and UV/Vis spectroscopy in the reaction of a Ni(II) salt with mCPBA. On the basis of their oxo-transfer and hydrogen-atom abstraction abilities the intermediates are assigned as the elusive terminal Ni(III)–oxo/hydroxo species. The findings suggest that Ni(III)–O(H) moieties are viable reactants in oxidation catalysis.

Graphical abstract: Spectroscopic capture and reactivity of S = 1/2 nickel(iii)–oxygen intermediates in the reaction of a NiII-salt with mCPBA

Supplementary files

Article information

Article type
Communication
Submitted
01 Feb 2012
Accepted
23 Feb 2012
First published
24 Feb 2012

Chem. Commun., 2012,48, 3730-3732

Spectroscopic capture and reactivity of S = 1/2 nickel(III)–oxygen intermediates in the reaction of a NiII-salt with mCPBA

F. F. Pfaff, F. Heims, S. Kundu, S. Mebs and K. Ray, Chem. Commun., 2012, 48, 3730 DOI: 10.1039/C2CC30716B

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