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Issue 9, 2011
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Synthesis and characterization of versatile MgO–ZrO2 mixed metal oxide nanoparticles and their applications

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Abstract

A heterogeneous, versatile nano-magnesia-zirconia or MgO–ZrO2 (MZ) catalyst was prepared by an ultra dilution method. The as-synthesised catalyst was characterized by several analytical techniques such as XRD, particle size analysis, BET surface area, thermogravimetric analysis (TGA), differential thermal analysis (DTA), FT-IR spectroscopy, SEM (scanning electron microscope), TEM (transmission electron microscope) and XPS (X-ray fluorescence spectroscopy). The surface area is found to be 268 m2 g−1. The catalytic activity of MZ was tested for various important organic reactions such as cross-aldol condensation, N-benzyloxycarbonylation of amines, reduction of aromatic nitrocompounds, and synthesis of 1,5-benzodiazepines. It has been observed that for all reactions MZ shows a good catalytic activity. All corresponding products were obtained in good to excellent yield under mild conditions. The MgO-ZrO2 catalyst can be prepared from inexpensive precursors, has high surface area, and is reusable and recyclable for all reactions.

Graphical abstract: Synthesis and characterization of versatile MgO–ZrO2 mixed metal oxide nanoparticles and their applications

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Publication details

The article was received on 09 Jul 2011, accepted on 04 Oct 2011 and first published on 24 Oct 2011


Article type: Paper
DOI: 10.1039/C1CY00259G
Catal. Sci. Technol., 2011,1, 1653-1664

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    Synthesis and characterization of versatile MgO–ZrO2 mixed metal oxide nanoparticles and their applications

    M. B. Gawande, P. S. Branco, K. Parghi, J. J. Shrikhande, R. K. Pandey, C. A. A. Ghumman, N. Bundaleski, O. M. N. D. Teodoro and R. V. Jayaram, Catal. Sci. Technol., 2011, 1, 1653
    DOI: 10.1039/C1CY00259G

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