Bis(dithiolene) Molybdenum Complex that Promotes Combined Coupled Electron–Proton Transfer and Oxygen Atom Transfer Reactions: A Water‐Active Model of the Arsenite Oxidase Molybdenum Center | Zendy

Sugimoto Hideki | Zendy; Tarumizu Makoto | Zendy; Miyake Hiroyuki | Zendy; Tsukube Hiroshi | Zendy

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Bis(dithiolene) Molybdenum Complex that Promotes Combined Coupled Electron–Proton Transfer and Oxygen Atom Transfer Reactions: A Water‐Active Model of the Arsenite Oxidase Molybdenum Center

Author(s) -

Sugimoto Hideki,

Tarumizu Makoto,

Miyake Hiroyuki,

Tsukube Hiroshi

Publication year - 2006

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.200600785

Subject(s) - chemistry , molybdenum , electron transfer , proton coupled electron transfer , proton , arsenite , photochemistry , catalysis , oxygen , redox , inorganic chemistry , organic chemistry , arsenic , physics , quantum mechanics

Combined CEPT (coupled electron–proton transfer)/OAT (oxygen atom transfer) reactions were accomplished in (Bu 4 N) 2 [Mo IV O(bdtCl 2 ) 2 ] ( 1 ) and (Bu 4 N) 2 [Mo VI O 2 (bdtCl 2 ) 2 ] ( 2 ) complexes in aqueous media. The reaction mechanism of the CEPT reaction was analyzed electrochemically and the conversion of 1 to 2 was revealed to proceed by a two‐proton two‐electron oxidative process. The structural and reaction profiles provide a new model for the arsenite oxidase catalytic center. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)

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