An Iron(II)[1,3‐bis(2′‐pyridylimino)isoindoline] Complex as a Catalyst for Substrate Oxidation with H 2 O 2  – Evidence for a Transient Peroxidodiiron(III) Species | Zendy

Pap József S. | Zendy; Cranswick Matthew A. | Zendy; BaloghHergovich É. | Zendy; Baráth Gábor | Zendy; Giorgi Michel | Zendy; Rohde Gregory T. | Zendy; Kaizer József | Zendy; Speier Gábor | Zendy; Que Lawrence | Zendy

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An Iron(II)[1,3‐bis(2′‐pyridylimino)isoindoline] Complex as a Catalyst for Substrate Oxidation with H 2 O 2 – Evidence for a Transient Peroxidodiiron(III) Species

Author(s) -

Pap József S.,

Cranswick Matthew A.,

BaloghHergovich É.,

Baráth Gábor,

Giorgi Michel,

Rohde Gregory T.,

Kaizer József,

Speier Gábor,

Que Lawrence

Publication year - 2013

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.201300162

Subject(s) - chemistry , isoindoline , acetonitrile , catalysis , electron paramagnetic resonance , redox , substrate (aquarium) , kinetic isotope effect , inorganic chemistry , resonance (particle physics) , metal , photochemistry , medicinal chemistry , deuterium , organic chemistry , nuclear magnetic resonance , physics , oceanography , quantum mechanics , geology , particle physics

The complex [Fe(indH)(solvent) 3 ](ClO 4 ) 2 ( 1 ) has been isolated from the reaction of equimolar amounts of 1,3‐bis(2′‐pyridylimino)isoindoline (indH) and Fe(ClO 4 ) 2 in acetonitrile and characterized by X‐ray crystallography and several spectroscopic techniques. It is a suitable catalyst for the oxidation of thioanisoles and benzyl alcohols with H 2 O 2 as the oxidant. Hammett correlations and kinetic isotope effect experiments support the involvement of an electrophilic metal‐based oxidant. A metastable green species ( 2 ) is observed when 1 is reacted with H 2 O 2 at –40 °C and has a Fe III (μ‐O)(μ‐O 2 )Fe III core on the basis of UV/Vis, electron paramagnetic resonance, resonance Raman, and X‐ray absorption spectroscopic data.

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