Benzylation of Toluene over Iron Modified Mesoporous Ceria

K. J. Rose Philo; Sugunan Sugunan

doi:10.9767/bcrec.7.2.3759.158-164

DOI: https://doi.org/10.9767/bcrec.7.2.3759.158-164

Benzylation of Toluene over Iron Modified Mesoporous Ceria

K. J. Rose Philo , Sugunan Sugunan

Department of Applied Chemistry, Cochin University of Science and Technology, Cochin-682022, Kerala, India

Received: 30 Jun 2012; Revised: 7 Nov 2012; Accepted: 10 Nov 2012; Published: 30 Dec 2012.

Editor(s): Istadi Istadi

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Abstract

Green chemistry has been looked upon as a sustainable science which accomplishes both economical and environmental goals, simultaneously.With this objective, we developed an alternative process to obtain the industrially important benzyl aromatics by benzylation of aromatics using benzyl chloride, catalysed by mesoporous solid acid catalysts. In this work mesoporous ceria is prepared using neutral surfactant which helped the calcination possible at a lower temperature enabling a higher surface area. Mesoporous ceria modified with Fe can be successfully utilized for the selective benzylation of toluene to more desirable product methyl diphenyl methane with 100% conversion and selectivity in 2 hours using only 50mg of the catalyst under milder condition. The reusability, regenerability, high selectivity, 100% conversion, moderate reaction temperature and absence of solvent, etc. make these catalysts to be used in a truly heterogeneous manner and make the benzylation reaction an environment friendly one. © 2012 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0)

Keywords: Benzylation of aromatics, Green chemistry, Lewis acidity, Solid mesoporous acids

Funding: University Grants Commission (India)

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Section: Original Research Articles

Language : EN

In 2012: BCREC Volume 7 Issue 2 Year 2012 (December 2012)

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