Publication: Low-temperature carbon-chlorine bond activation by bimetallic gold/palladium alloy nanoclusters: An application to Ullmann coupling
Issued Date
2012-12-19
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ISSN
15205126
00027863
00027863
Other identifier(s)
2-s2.0-84871399545
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the American Chemical Society. Vol.134, No.50 (2012), 20250-20253
Suggested Citation
Raghu Nath Dhital, Choavarit Kamonsatikul, Ekasith Somsook, Karan Bobuatong, Masahiro Ehara, Sangita Karanjit, Hidehiro Sakurai Low-temperature carbon-chlorine bond activation by bimetallic gold/palladium alloy nanoclusters: An application to Ullmann coupling. Journal of the American Chemical Society. Vol.134, No.50 (2012), 20250-20253. doi:10.1021/ja309606k Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/13543
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Title
Low-temperature carbon-chlorine bond activation by bimetallic gold/palladium alloy nanoclusters: An application to Ullmann coupling
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.