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Get Free AccessGold nanoparticles on a polysaccharide-based support (chitosan) were found to catalyze with very high yields the regioselective hydroamination of alkynes without the need for acid promoters and inert atmosphere. The metal–support interactions were studied by Raman, IR, UV, and NMR spectroscopy. The interaction between gold and the NH and OH groups of chitosan allow good dispersion of the nanocrystals on the biopolymer. The chitosan–silica composite further stabilizes gold nanoparticles against agglomeration or leaching compared with other supports.
Avelino Avelino, P CONCEPCION, Irene Domínguez, V FORNE, María J. Sabater (2007). Gold supported on a biopolymer (chitosan) catalyzes the regioselective hydroamination of alkynes. Journal of Catalysis, 251(1), pp. 39-47, DOI: 10.1016/j.jcat.2007.07.021.
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Type
Article
Year
2007
Authors
5
Datasets
0
Total Files
0
Language
English
Journal
Journal of Catalysis
DOI
10.1016/j.jcat.2007.07.021
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