Dendrimer-Encapsulated Pd Nanoparticles as Aqueous, Room-Temperature Catalysts for the Stille Reaction

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• 作者：Joaquin C. Garcia-Martinez ; Raphael Lezutekong ; and Richard M. Crooks
• 刊名：Journal of the American Chemical Society
• 出版年：2005
• 出版时间：April 13, 2005
• 年：2005
• 卷：127
• 期：14
• 页码：5097 - 5103
• 全文大小：171K
• 年卷期：v.127,no.14(April 13, 2005)
• ISSN：1520-5126

文摘

We report that dendrimer-encapsulated Pd nanoparticles having a diameter of ~1.7 nm areeffective and general catalysts for coupling aryl halides to organostannanes (the Stille reaction) under mildconditions. 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 C, and using only 0.100atom % of Pd as catalyst.