Organic Letters · 2007 · 87 citations · 29 references
Natural SciencesChemical EngineeringChemistryCatalysisColloid ScienceNanomaterialsCatalyst DesignCatalyst PreparationCatalyst SynthesisCatalytic Reaction EngineeringNanocatalysisNanoparticle SynthesisCappingCatalytic ActivityFischer Carbene ComplexesHiyama CouplingNanoparticle CatalysisNanoparticlesPalladium CatalystsPalladium-catalyzed Cross-coupling
An efficient synthesis of Pd nanoparticles in water has been developed using a Fischer carbene complex of tungsten as the reductant and PEG as the capping agent. The colloidal palladium (1 mol %) efficiently catalyzes Hiyama cross-coupling reactions performed in air. Excellent yields of products were obtained with a wide range of substrates. Catalytic activity and stability of the nanoparticles were found to be inversely correlated.
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