Ni(xbsms)Ru(CO)2Cl2]: a bioinspired nickel-ruthenium functional model of [NiFe] hydrogenase |
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| Authors: | Oudart Y Artero V Pécaut J Fontecave M |
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| Institution: | Laboratoire de Chimie et Biochimie des Centres Rédox Biologiques UMR CNRS-UJF-CEA 5047, DRDC/CB, 38054 Grenoble Cedex 9, France. |
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| Abstract: | As a model of the active site of NiFe] hydrogenases, a dinuclear nickel-ruthenium complex Ni(xbsms)Ru(CO)2Cl2] was synthesized and fully characterized. The three-dimensional structure reveals a nickel center in a square-planar dithioether-dithiolate environment connected to a ruthenium moiety via a Ni(mu-SR)2Ru bridge. This complex catalyzes hydrogen evolution by electroreduction of the weakly acidic Et3NH+ ions in N,N-dimethylformamide and is therefore the first functional bioinspired model of NiFe] hydrogenases. |
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