O-O bond cleavage by electrochemical reduction of a side-on peroxo dicopper model of hemocyanin

The redox properties of the μ-η2:η2 peroxo complex [Cu2(H6M4h)(O2)]2+ were elucidated. This study constitutes the first full electrochemical and spectroelectrochemical characterization of a side-on peroxo Cu2:O2 bioinorganic model complex. The peroxo complex is irreversibly reduced in a two- electro...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018
Hauptverfasser: López, Isidoro, Porras Gutiérrez, Ana Gabriela, Douziech, Bénédicte, Wojcik, Laurianne, Le Mest, Yves, Kodera, Masahito, Le Poul, Nicolas
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Sprache:eng
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Zusammenfassung:The redox properties of the μ-η2:η2 peroxo complex [Cu2(H6M4h)(O2)]2+ were elucidated. This study constitutes the first full electrochemical and spectroelectrochemical characterization of a side-on peroxo Cu2:O2 bioinorganic model complex. The peroxo complex is irreversibly reduced in a two- electron process localized on the peroxo ligand triggering the cleavage of the O-O bond Les propriétés redox du complexe peroxo μ-η2:η2 [Cu2(H6M4h)(O2)]2+, modèle de l’hémocyanine, ont été élucidées par des études électrochimiques et spectroélectrochimiques. La réduction du complexe peroxo est irréversible et s’effectue selon un processus à deux électrons localisé sur le ligand peroxyde, déclenchant la rupture de la liaison O-O.
ISSN:1359-7345
1364-548X
DOI:10.1039/C8CC01959B