Catalytic Oxidation by a Carboxylate-Bridged Non-Heme Diiron Complex

The synthesis of a sterically hindered di(μ-carboxylato)diiron(II) complex bearing terminal N,N‘,N‘ ‘-trimethyl-1,4,7-triazacyclononane (Me3TACN) ligands and its reaction with dioxygen to afford a (μ-oxo)di(μ-carboxylato)diiron(III) complex are described. Both compounds initiate catalytic oxo transf...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2002-03, Vol.124 (11), p.2416-2417
Main Authors: Tshuva, Edit Y, Lee, Dongwhan, Bu, Weiming, Lippard, Stephen J
Format: Article
Language:English
Subjects:
Carboxylic Acids - chemistry
Catalysis
Catalytic reactions
Chemistry
Exact sciences and technology
General and physical chemistry
Iron - chemistry
Molecular Structure
Oxidation-Reduction
Oxygen - chemistry
Oxygenases - chemistry
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:The synthesis of a sterically hindered di(μ-carboxylato)diiron(II) complex bearing terminal N,N‘,N‘ ‘-trimethyl-1,4,7-triazacyclononane (Me3TACN) ligands and its reaction with dioxygen to afford a (μ-oxo)di(μ-carboxylato)diiron(III) complex are described. Both compounds initiate catalytic oxo transfer with O2 as the terminal oxidant, converting phosphines to phosphine oxides, dimethyl sulfide to dimethyl sulfoxide, and dibenzylamine to benzaldehyde. Triphenylphosphine is oxidized to triphenylphosphine oxide with a turnover number of >2000 mol·P/mol·cat.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja017890i