Catalytic oxidation by a carboxylate-bridged non-heme diiron complex

Edit Y. Tshuva; Dongwhan Lee; Weiming Bu; Stephen J. Lippard

doi:10.1021/ja017890i

Catalytic oxidation by a carboxylate-bridged non-heme diiron complex

Edit Y. Tshuva, Dongwhan Lee, Weiming Bu, Stephen J. Lippard^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

50 Scopus citations

Abstract

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.

Original language	American English
Pages (from-to)	2416-2417
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	124
Issue number	11
DOIs	https://doi.org/10.1021/ja017890i
State	Published - 20 Mar 2002
Externally published	Yes

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abstract = "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.",

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T1 - Catalytic oxidation by a carboxylate-bridged non-heme diiron complex

AU - Tshuva, Edit Y.

AU - Lee, Dongwhan

AU - Bu, Weiming

AU - Lippard, Stephen J.

PY - 2002/3/20

Y1 - 2002/3/20

N2 - 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.

AB - 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.

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EP - 2417

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

IS - 11

ER -

Catalytic oxidation by a carboxylate-bridged non-heme diiron complex

Abstract

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