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Synfacts 2011(9): 1030-1030
DOI: 10.1055/s-0030-1260902
DOI: 10.1055/s-0030-1260902
Polymer-Supported Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Hiyama Coupling in Water with Fe3O4-Supported Pd Nanoparticles
B. Sreedhar*, A. S. Kumar, D. Yada
Indian Institute of Chemical Technology, Hyderabad, India
Further Information
Publication History
Publication Date:
19 August 2011 (online)
Significance
Palladium/Fe3O4 nanoparticles (Pd/Fe3O4) were prepared by treatment of Fe3O4 nanoparticles with Na2PdCl4 followed by reduction with NaBH4 (eq. 1). Pd/Fe3O4 catalyzed the Hiyama cross-coupling of arylbromides 1 with aryl siloxanes 2 under aqueous conditions to give the corresponding biaryls 3 in 65-92% yield (18 examples, eq. 2).