Sulfide oxidation by hydrogen peroxide catalyzed by iron complexes: Two metal centers are better than one

Yasmina Mekmouche; Helga Hummel; Raymond Y.N. Ho; Lawrence Que; Volker Schünemann; Fabrice Thomas; Alfred X. Trautwein; Colette Lebrun; Karine Gorgy; Jean Claude Leprêtre; Marie Noëlle Collomb; Alain Deronzier; Marc Fontecave; Stéphane Ménage

doi:10.1002/1521-3765(20020301)8:5<1196::AID-CHEM1196>3.0.CO;2-Z

Sulfide oxidation by hydrogen peroxide catalyzed by iron complexes: Two metal centers are better than one

Yasmina Mekmouche, Helga Hummel, Raymond Y.N. Ho, Lawrence Que, Volker Schünemann, Fabrice Thomas, Alfred X. Trautwein, Colette Lebrun, Karine Gorgy, Jean Claude Leprêtre, Marie Noëlle Collomb, Alain Deronzier, Marc Fontecave^*, Stéphane Ménage

^*Corresponding author for this work

Institute of Physics

67 Citations (Scopus)

Abstract

Peroxoiron species have been proposed to be involved in catalytic cycles of iron-dependent oxygenases and in some cases as the active intermediates during oxygen-transfer reactions. The catalytic properties of a mononuclear iron complex, [Fe^II(pb)₂-(CH₃CN)₂] (pb=(-)4,5-pinene-2,2′-bipyridine), have been compared to those of its related dinuclear analogue. Each system generates specific peroxo adducts, which are responsible for the oxidation of sulfides to sulfoxides. The dinuclear catalyst was found to be more reactive and (enantio)selective than its mononuclear counterpart, suggesting that a second metal site affords specific advantages for stereoselective catalysis. These results might help for the design of future enantioselective iron catalysts.

Original language	English
Journal	Chemistry - A European Journal
Volume	8
Issue number	5
Pages (from-to)	1196-1204
Number of pages	9
ISSN	0947-6539
DOIs	https://doi.org/10.1002/1521-3765(20020301)8:5<1196::AID-CHEM1196>3.0.CO;2-Z
Publication status	Published - 01.03.2002

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10.1002/1521-3765(20020301)8:5<1196::AID-CHEM1196>3.0.CO;2-Z

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Mekmouche, Y., Hummel, H., Ho, R. Y. N., Que, L., Schünemann, V., Thomas, F., Trautwein, A. X., Lebrun, C., Gorgy, K., Leprêtre, J. C., Collomb, M. N., Deronzier, A., Fontecave, M., & Ménage, S. (2002). Sulfide oxidation by hydrogen peroxide catalyzed by iron complexes: Two metal centers are better than one. Chemistry - A European Journal, 8(5), 1196-1204. https://doi.org/10.1002/1521-3765(20020301)8:5<1196::AID-CHEM1196>3.0.CO;2-Z

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abstract = "Peroxoiron species have been proposed to be involved in catalytic cycles of iron-dependent oxygenases and in some cases as the active intermediates during oxygen-transfer reactions. The catalytic properties of a mononuclear iron complex, [FeII(pb)2-(CH3CN)2] (pb=(-)4,5-pinene-2,2′-bipyridine), have been compared to those of its related dinuclear analogue. Each system generates specific peroxo adducts, which are responsible for the oxidation of sulfides to sulfoxides. The dinuclear catalyst was found to be more reactive and (enantio)selective than its mononuclear counterpart, suggesting that a second metal site affords specific advantages for stereoselective catalysis. These results might help for the design of future enantioselective iron catalysts.",

author = "Yasmina Mekmouche and Helga Hummel and Ho, {Raymond Y.N.} and Lawrence Que and Volker Sch{\"u}nemann and Fabrice Thomas and Trautwein, {Alfred X.} and Colette Lebrun and Karine Gorgy and Lepr{\^e}tre, {Jean Claude} and Collomb, {Marie No{\"e}lle} and Alain Deronzier and Marc Fontecave and St{\'e}phane M{\'e}nage",

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Mekmouche, Y, Hummel, H, Ho, RYN, Que, L, Schünemann, V, Thomas, F, Trautwein, AX, Lebrun, C, Gorgy, K, Leprêtre, JC, Collomb, MN, Deronzier, A, Fontecave, M & Ménage, S 2002, 'Sulfide oxidation by hydrogen peroxide catalyzed by iron complexes: Two metal centers are better than one', Chemistry - A European Journal, vol. 8, no. 5, pp. 1196-1204. https://doi.org/10.1002/1521-3765(20020301)8:5<1196::AID-CHEM1196>3.0.CO;2-Z

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AU - Mekmouche, Yasmina

AU - Hummel, Helga

AU - Ho, Raymond Y.N.

AU - Que, Lawrence

AU - Schünemann, Volker

AU - Thomas, Fabrice

AU - Trautwein, Alfred X.

AU - Lebrun, Colette

AU - Gorgy, Karine

AU - Leprêtre, Jean Claude

AU - Collomb, Marie Noëlle

AU - Deronzier, Alain

AU - Fontecave, Marc

AU - Ménage, Stéphane

PY - 2002/3/1

Y1 - 2002/3/1

N2 - Peroxoiron species have been proposed to be involved in catalytic cycles of iron-dependent oxygenases and in some cases as the active intermediates during oxygen-transfer reactions. The catalytic properties of a mononuclear iron complex, [FeII(pb)2-(CH3CN)2] (pb=(-)4,5-pinene-2,2′-bipyridine), have been compared to those of its related dinuclear analogue. Each system generates specific peroxo adducts, which are responsible for the oxidation of sulfides to sulfoxides. The dinuclear catalyst was found to be more reactive and (enantio)selective than its mononuclear counterpart, suggesting that a second metal site affords specific advantages for stereoselective catalysis. These results might help for the design of future enantioselective iron catalysts.

AB - Peroxoiron species have been proposed to be involved in catalytic cycles of iron-dependent oxygenases and in some cases as the active intermediates during oxygen-transfer reactions. The catalytic properties of a mononuclear iron complex, [FeII(pb)2-(CH3CN)2] (pb=(-)4,5-pinene-2,2′-bipyridine), have been compared to those of its related dinuclear analogue. Each system generates specific peroxo adducts, which are responsible for the oxidation of sulfides to sulfoxides. The dinuclear catalyst was found to be more reactive and (enantio)selective than its mononuclear counterpart, suggesting that a second metal site affords specific advantages for stereoselective catalysis. These results might help for the design of future enantioselective iron catalysts.

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JO - Chemistry - A European Journal

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Sulfide oxidation by hydrogen peroxide catalyzed by iron complexes: Two metal centers are better than one

Abstract

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