Volume 38, Issue 1-2 pp. 207-210
Communication

Reactivity of Peroxo- and Bis(μ-oxo)dicopper Complexes with Catechols

Lisa M. Berreau

Lisa M. Berreau

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455 (USA), Fax: (+1) 612-624-7029

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Samiran Mahapatra

Samiran Mahapatra

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455 (USA), Fax: (+1) 612-624-7029

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Jason A. Halfen

Jason A. Halfen

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455 (USA), Fax: (+1) 612-624-7029

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Robert P. Houser

Robert P. Houser

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455 (USA), Fax: (+1) 612-624-7029

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Victor G. Young, Jr.

Victor G. Young, Jr.

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455 (USA), Fax: (+1) 612-624-7029

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William B. Tolman

William B. Tolman

Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, MN 55455 (USA), Fax: (+1) 612-624-7029

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Abstract

A new pathway to CuII-semiquinato complexes was established that differs from the anticipated generation of quinone and bis(μ-hydroxo)dicopper products: Mononuclear CuII-semiquinato complexes were isolated in high yield from the reactions of catechols with (μ-η2:η2-peroxo)- and bis(μ-oxo)dicopper complexes [Eq. (1)] that are relevant to tyrosinase and catechol oxidase active site species.

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