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Dendrimer-encapsulated Pd nanoparticles as aqueous, room-temperature catalysts for the Stille reaction
Joaquin C Garcia-Martinez1, Raphael Lezutekong, Richard M Crooks
1Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, Texas 77842-3012, USA.
Journal of the American Chemical Society
|April 7, 2005
Abstract:
We report that dendrimer-encapsulated Pd nanoparticles having a diameter of approximately 1.7 nm are effective and general catalysts for coupling aryl halides to organostannanes (the Stille reaction) under mild conditions. The significant results of this study are that the Stille reaction is catalyzed by dendrimer-encapsulated Pd nanoparticles in very good yield, in aqueous solution at 23 degrees C, and using only 0.100 atom % of Pd as catalyst.

