Superparamagnetic nanoparticle-supported catalysis of Suzuki cross-coupling reactions |
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Authors: | Stevens Philip D Fan Jinda Gardimalla Hari M R Yen Max Gao Yong |
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Affiliation: | Department of Chemistry and Biochemistry, Mailcode 4409, Southern Illinois University, Carbondale, Illinois 62901-4409, USA. |
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Abstract: | Emulsion polymerization was examined as a novel route for the synthesis of core/shell superparamagnetic nanoparticles consisting of a highly crystalline gamma-Fe2O3 core and a very thin polymeric shell wall. These nanoparticles were used as soluble supports for immobilizing Pd catalysts to promote Suzuki cross-coupling reactions. Recovery of catalysts was facilely achieved by applying a permanent magnet externally. Isolated catalysts were reused for new rounds of reactions without significant loss of their catalytic activity. |
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