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Issue 5, 2013
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Control of the selectivity in multi-functional group molecules using supported gold–palladium nanoparticles

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Abstract

The oxidation of 2-hexen-1-ol and 1-hexen-3-ol with air has been studied using supported gold, palladium and gold–palladium catalysts. The main aim was to determine if either the alcohol or alkene functional group can be oxidised selectively. However, based on the reaction products observed (2-hexen-1-ol forms 2-hexene, hexanal, (E)-2-hexenal, (E)-3-hexen-1-ol, 4-hexen-1-ol and (E)-2-hexanoic acid. 1-Hexen-3-ol forms 1-hexene, 3-hexanone, 1-hexen-3-one and 3-hexenol), the main pathway in these reactions is isomerisation and, in addition, significant yields of the products are due to a disproportionation reaction. Controlling the selectivity in molecules with multiple function groups by manipulating the catalyst composition and reaction conditions can promote or hinder the various reaction pathways, thereby increasing the selectivity to the desired oxidation products.

Graphical abstract: Control of the selectivity in multi-functional group molecules using supported gold–palladium nanoparticles

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Article information


Submitted
16 Nov 2012
Accepted
26 Mar 2013
First published
27 Mar 2013

Green Chem., 2013,15, 1244-1254
Article type
Paper

Control of the selectivity in multi-functional group molecules using supported gold–palladium nanoparticles

H. Alshammari, P. J. Miedziak, D. J. Morgan, D. W. Knight and G. J. Hutchings, Green Chem., 2013, 15, 1244
DOI: 10.1039/C3GC36828A

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