Magnetically retrievable MFe2O4 spinel (M = Mn, Co, Cu, Ni, Zn) catalysts for oxidation of benzylic alcohols to carbonyls

Anand S. Burange; Sandip R. Kale; Radek Zboril; Manoj B. Gawande; Radha V. Jayaram

doi:10.1039/C3RA45327H

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Magnetically retrievable MFe₂O₄ spinel (M = Mn, Co, Cu, Ni, Zn) catalysts for oxidation of benzylic alcohols to carbonyls†

Anand S. Burange,^a Sandip R. Kale,^a Radek Zboril,^b Manoj B. Gawande*^b and Radha V. Jayaram*^a

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* Corresponding authors

^a Department of Chemistry, Institute of Chemical Technology (Autonomous), N. Parekh Marg, Matunga, Mumbai 400 019, India
E-mail: rv.jayaram@ictmumbai.edu.in
Fax: +91(22)241456144

^b Regional Centre of Advanced Technologies and Materials, Faculty of Science, Department of Physical Chemistry, Palacky University, Šlechtitelů 11, Olomouc, Czech Republic
E-mail: mbgawande@yahoo.co.in, manoj.gawande@upol.cz

Abstract

The catalytic activity of the MFe₂O₄ spinel (M = Mn, Co, Cu, Ni, Zn) was investigated for the oxidation of benzylic alcohols to respective carbonyls using tert-butyl hydroperoxide (TBHP) as an oxidant. The combination of CoFe₂O₄/TBHP in a dimethyl sulfoxide (DMSO) catalytic system was found to be most efficient for this catalytic conversion. A CoFe₂O₄ catalyst is magnetically separable and could be reused with no considerable loss in catalytic activity as proved for 5 consecutive cycles.

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Article information

DOI: https://doi.org/10.1039/C3RA45327H
Article type: Communication
Submitted: 24 Sep 2013
Accepted: 19 Dec 2013
First published: 09 Jan 2014

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RSC Adv., 2014,4, 6597-6601

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Magnetically retrievable MFe₂O₄ spinel (M = Mn, Co, Cu, Ni, Zn) catalysts for oxidation of benzylic alcohols to carbonyls

A. S. Burange, S. R. Kale, R. Zboril, M. B. Gawande and R. V. Jayaram, RSC Adv., 2014, 4, 6597 DOI: 10.1039/C3RA45327H

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