Issue 37, 2013

Versatile low-loaded mechanochemically synthesized supported iron oxide nanoparticles for continuous flow alkylations

Abstract

A novel and highly versatile mechanochemically synthesized low-loaded (0.25 wt.%) supported iron oxide nanocatalyst has been demonstrated to be highly active and selective for the production of o- and p-benzylmethylbenzene (preferentially) C–C alkylated products in the continuous flow alkylation of toluene with benzyl chloride as compared to the etherification product (dibenzyl ether) observed in the alkylation of toluene with benzyl alcohol. The low quantities of highly accessible iron oxide nanoparticles on the external surface of an aluminosilicate support provided versatile acidic sites that were able to promote both the alkylation of toluene with benzyl alcohol and benzyl chloride. ICP-MS analysis revealed that the catalyst is highly stable and does not significantly leach under the investigated conditions, providing solid evidence of an iron-catalysed heterogeneous protocol.

Graphical abstract: Versatile low-loaded mechanochemically synthesized supported iron oxide nanoparticles for continuous flow alkylations

Supplementary files

Article information

Article type
Communication
Submitted
24 Apr 2013
Accepted
16 Jul 2013
First published
17 Jul 2013

RSC Adv., 2013,3, 16292-16295

Versatile low-loaded mechanochemically synthesized supported iron oxide nanoparticles for continuous flow alkylations

A. M. Balu, A. Pineda, D. Obermayer, A. A. Romero, C. O. Kappe and R. Luque, RSC Adv., 2013, 3, 16292 DOI: 10.1039/C3RA43160F

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