Journal
CATALYSIS COMMUNICATIONS
Volume 28, Issue -, Pages 86-89Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2012.08.018
Keywords
Magnetic nanoparticles; Poly(amidoamine) dendrimer; BrOnsted acid catalyst; alpha-Aminophosphonate
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A novel magnetic BrOnsted acid catalyst was synthesized based on growing poly(amidoamine) dendrimers on the surface of magnetic nanoparticles. After the dendronizing process, the MNP coated PAMAM was functionalized by chlorosulfuric acid to form an acid catalyst. Because of dendrimer coating of MNPs, catalyst shows good loading level of acidic groups on the surface. Also zwitterion nature of catalyst surface improves the catalytic activity. This new catalyst is proven to be highly effective in the synthesis of alpha-aminophosphonate compounds in a green way. (C) 2012 Elsevier B.V. All rights reserved.
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