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Issue 53, 2015
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Gold nanoparticles supported on dendrimer@resin for the efficient oxidation of styrene using elemental oxygen

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Abstract

Highly dispersed AuNPs of sizes 2–5 nm were deposited onto third generation PAMAM dendrimers attached to XAD-4. The nanocatalyst thus prepared was characterised by SEM, TEM, BET etc. The catalyst showed remarkable stability and activity towards the oxidation of styrene. Reaction parameters such as the nature of the oxidant, solvent, catalyst concentration, temperature and reaction time were investigated and the reaction conditions were optimized. Furthermore, the recyclability and stability of the AuNPs supported on dendrimers@resin was established. The results demonstrate that epoxidation can be carried out using molecular oxygen and the prepared heterogeneous gold nanocatalyst possesses potential applications for green and sustainable development of epoxides.

Graphical abstract: Gold nanoparticles supported on dendrimer@resin for the efficient oxidation of styrene using elemental oxygen

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Supplementary files

Article information


Submitted
06 Apr 2015
Accepted
01 May 2015
First published
01 May 2015

RSC Adv., 2015,5, 42935-42941
Article type
Paper

Gold nanoparticles supported on dendrimer@resin for the efficient oxidation of styrene using elemental oxygen

A. S. Sharma, D. Shah and H. Kaur, RSC Adv., 2015, 5, 42935
DOI: 10.1039/C5RA06091E

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