Reductant-directed formation of PS-PAMAM-supported gold nanoparticles for use as highly active and recyclable catalysts for the aerobic oxidation of alcohols and the homocoupling of phenylboronic acids

Polystyrene-polyamidoamine-supported gold nanoparticles were prepared using a reductant-directed formation strategy. The resulting catalysts exhibited excellent activities in the aerobic oxidation of benzyl alcohols and the homocoupling of phenylboronic acids under mild conditions and can be recycle...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2012-01, Vol.48 (50), p.6235-6237
Hauptverfasser:	Zheng, Jie, Lin, Shengyue, Zhu, Xianhao, Jiang, Biwang, Yang, Zhen, Pan, Zhengying
Format:	Artikel
Sprache:	eng
Schlagworte:	Benzyl alcohol Benzyl Alcohols - chemistry Boronic Acids - chemistry Catalysis Catalysts Dendrimers - chemistry Ethers - chemical synthesis Ethers - chemistry Gold Gold - chemistry Ketones - chemical synthesis Ketones - chemistry Metal Nanoparticles - chemistry Nanoparticles Oxidation Oxidation-Reduction Particle Size Polystyrenes - chemistry Recycled Reducing Agents - chemistry Strategy Surface Properties
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Beschreibung
Zusammenfassung:	Polystyrene-polyamidoamine-supported gold nanoparticles were prepared using a reductant-directed formation strategy. The resulting catalysts exhibited excellent activities in the aerobic oxidation of benzyl alcohols and the homocoupling of phenylboronic acids under mild conditions and can be recycled at least 14 times without significant loss of activity.
ISSN:	1359-7345 1364-548X
DOI:	10.1039/c2cc31948a