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Magnetic nanoparticles coated by acidic functionalized poly(amidoamine) dendrimer: Effective acidic organocatalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51236 46836 2012 4 PDF Available
Title
Magnetic nanoparticles coated by acidic functionalized poly(amidoamine) dendrimer: Effective acidic organocatalyst
Abstract

A novel magnetic BrØnsted 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 α-aminophosphonate compounds in a green way.

► A dendrimer coated magnetic organocatalyst was synthesized. ► Polyamidoamine dendrimer was grown on the surface of MNP. ► Catalyst shows high activity due to zwitterion structure. ► The synthesized catalyst was applied for the synthesis of α-aminophosphonate. ► Catalyst was recycled seven times without significant loss of activity.

Keywords
Magnetic nanoparticles; Poly(amidoamine) dendrimer; BrØnsted acid catalyst; α-Aminophosphonate
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 28, 5 November 2012, Pages 86–89
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
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Price after discount Only $4.95
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Online Support
Any Questions? feel free to contact us