Publication | Closed Access
Hydrogen Transfer Reactivity of a Ferric Bi-imidazoline Complex That Models the Activity of Lipoxygenase Enzymes
83
Citations
10
References
1999
Year
Bioorganic ChemistryEngineeringChemistryOrganic SubstratesRedox BiologyChemical EngineeringBioenergeticsFerric Bi-imidazoline ComplexRedox ChemistryInorganic ChemistryBiochemistryBiocatalysisHydrogen Transfer ReactivityCatalysisHydrogenN−h BondLipoxygenase EnzymesBiomolecular EngineeringNatural SciencesEnzyme CatalysisCoordination ComplexMolecular ComplexWeak C−h Bonds
The mono-deprotonated ferric complex [Fe(Hbim)(H2bim)2](ClO4)2 (2) oxidizes organic substrates with weak C−H bonds. A hydrogen atom abstraction mechanism is indicated. The ΔH° for addition of H• to 2 (the strength of a N−H bond in 1) is determined to be 76 kcal/mol, consistent with the reactivity observed.
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