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Title: Low-temperature carbon-chlorine bond activation by bimetallic gold/palladium alloy nanoclusters: An application to Ullmann coupling
Authors: Raghu Nath Dhital
Choavarit Kamonsatikul
Ekasith Somsook
Karan Bobuatong
Masahiro Ehara
Sangita Karanjit
Hidehiro Sakurai
Sokendai Graduate University for Advanced Studies
National Institutes of Natural Sciences - Institute for Molecular Science
National Institutes of Natural Sciences - Research Center for Computational Science
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology;Chemical Engineering;Chemistry
Issue Date: 19-Dec-2012
Citation: Journal of the American Chemical Society. Vol.134, No.50 (2012), 20250-20253
Abstract: This paper describes the unique catalytic activity of bimetallic Au/Pd alloy nanoclusters (NCs) for Ullmann coupling of chloroarenes in aqueous media at low temperature. The corresponding reaction cannot be achieved by monometallic Au and Pd NCs as well as their physical mixtures. On the basis of quantum chemical calculation, it was found that the crucial step to govern the unusual catalytic activity of Au/Pd is the dissociative chemisorption of ArCl, which is unlikely in the monometallic Au and Pd NCs. © 2012 American Chemical Society.
ISSN: 15205126
Appears in Collections:Scopus 2011-2015

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