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Functional models of nonheme diiron enzymes: reactivity of μ-oxo-μ-1,2-peroxo-diiron(III) intermediate in electrophilic and nucleophilic reactions.

Abstract

The reactivity of the previously reported peroxo-adduct [FeIII2( μ-O)(μ-1,2-O2)(IndH)2(solv)2]2+ (1) (IndH = 1,3-bis(2-pyridyl-imino)isoindoline) has been investigated in nucleophilic (e.g., deformylation of alkyl and aryl alkyl aldehydes) and electrophilic (e.g. oxidation of phenols) stoichiometric reactions as biomimics of ribonucleotide reductase (RNR-R2) and aldehyde deformylating oxygenase (ADO) enzymes. Based on detailed kinetic and mechanistic studies we have found further evidence for the ambiphilic behaviour of the peroxo intermediates proposed for diferric oxidoreductase enzymes.

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Supplementary files

Article information


Submitted
27 Nov 2019
Accepted
14 Jan 2020
First published
14 Jan 2020

Dalton Trans., 2020, Accepted Manuscript
Article type
Communication

Functional models of nonheme diiron enzymes: reactivity of μ-oxo-μ-1,2-peroxo-diiron(III) intermediate in electrophilic and nucleophilic reactions.

B. Kripli, M. I. Szávuly, F. V. Csendes and J. Kaizer, Dalton Trans., 2020, Accepted Manuscript , DOI: 10.1039/C9DT04551A

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