Binuclear [(cod)(Cl)Ir(bpi)Ir(cod)]+ for Catalytic Water Oxidation

descriptionPublicationkeyboard_double_arrow_right Article 04 Jan 2011 Spain, Netherlands English Publisher:American Chemical Society (ACS)Journal:Organometallics, volume 30, pages 372-374 (issn: 0276-7333, eissn: 1520-6041,

Copyright policy )Funded by:NWO | Metals for Materials, EC | CATCIR, NWO | New catalysts for water o...

Authors: Dzik, W.I.; Calvo, S.E.; Reek, J.N.H.; Lutz, M.; Ciriano, M.A.; Tejel, C.; Hetterscheid, D.G.H.; +1 Authors

doi: 10.1021/om100981v

handle: 10261/52342 , 11245/1.344814

Binuclear [(cod)(Cl)Ir(bpi)Ir(cod)]+ for Catalytic Water Oxidation

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Abstract

The binuclear iridium complex [(cod)(Cl)Ir(bpi)Ir(cod)]PF6 (bpi = (pyridin-2-ylmethyl)(pyridin-2-ylmethylene)amine; cod = 1,5-cyclooctadiene) reveals a noteworthy asymmetric binuclear coordination geometry, wherein the bpi ligand acts as a heteroditopic ligand and has an unusual π-coordinated imine moiety. This species is an effective precatalyst for water oxidation. After a short incubation time the catalyst reveals a turnover frequency of 3400 mol mol-1 s-1 with an overall turnover number >1000. © 2011 American Chemical Society.

Financial support from the European Research Council (ERC Grant Agreement 202886-CatCIR), NWO-CW (VIDI grant 700.55.426, VENI grant 700.59.410), the MEC/FEDER (Project CTQ2008-03860, Spain), and the University of Amsterdam is gratefully acknowledged.

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Spain, Netherlands

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