Chemistry - An Asian Journal · 2014 · 19 citations · 61 references
Natural SciencesChemistryMaterials ScienceCatalysisInorganic ChemistryOrganic ChemistryCatalytic MaterialsCatalytic MechanismsCoordination ChemistryElectrochemical SynthesisHeterocyclic ChemistryRedox-active MaterialsCatalyst Structure - Activity RelationshipsElectrocatalytic Water OxidationElectrochemical FunctionalizationQuinoline ChemistrySingle-crystal DiffractionSingle-crystal X-ray DiffractionVoltammetryWater Oxidation Complex
The binuclear [η(6) -(cymene)Ru(L)]2 (OTf)2 (TfO(-) =trifluoromethanesulfonate) and tetranuclear [η(6) -(cymene)Ru(L)]4 (NO3 )4 metallacycles were prepared by treating the pyridyl-substituted 8-hydroxyquinoline ligand (E)-2-[2-(pyridin-3-yl)vinyl]quinolin-8-ol (HL) with [(p-cymene)Ru(μ-Cl)Cl]2 in the presence of AgOTf or AgNO3 . The molecular structures of these complexes were confirmed by single-crystal X-ray diffraction, which revealed that both complexes have macrocycle frameworks induced by the TfO(-) and NO3 (-) counteranions, respectively. The electrochemical properties of the two metallacycles were investigated by cyclic voltammetry, which showed that they have great potential as catalysts for water oxidation. Good efficiency was obtained by utilizing the nitrate complex as a water oxidation catalyst in the presence of a Ce(IV) salt as an oxidant at high pH values.
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Coordination Assemblies from a Pd(II)-Cornered Square Complex
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Makoto Fujita, Jun Yazaki, Katsuyuki Ogura · Journal of the American Chemical Society · 1990 · 808 citations