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Synfacts 2007(12): 1319-1319
DOI: 10.1055/s-2007-991391
DOI: 10.1055/s-2007-991391
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York
Ultra-Small Nano-Palladium on Giant Magnetic Nanoparticles
Z. Yinghuai, S. Chee Peng, A. Emi, S. Zhenshun, Monalisa, R. A. Kemp
Institute of Chemical and Engineering Sciences and National University of Singapore, Singapore; University of New Mexico and Sandia National Laboratories, Albuquerque, USA
Further Information
Publication History
Publication Date:
22 November 2007 (online)
![](https://www.thieme-connect.de/media/synfacts/200712/lookinside/thumbnails/10.1055-s-2007-991391-1.jpg)
Significance
Commercially available magnetic iron oxide particles matrixed with starch (Æ ∪100 nm) (A) were treated with POCl3 to afford the phosphate functional group enriched particles B. The phosphate-enriched magnetic particles were added to an aqueous solution of Pd(acac)2 to form reddish-brown particles C. The Pd(II) supported by magnetic particles was reduced with ethylene glycol under thermal conditions to give black magnetic particles D. The resulting particles D bearing ultra-small palladium nanoparticles catalyzed the Suzuki-Miyaura coupling of PhBr and PhB(OH)2 as well as the Heck reaction of PhBr and styrene.