Journal
APPLIED CATALYSIS A-GENERAL
Volume 413, Issue -, Pages 245-253Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2011.11.016
Keywords
Vanadium phosphate; Benzyl alcohol; Benzaldehyde; tert-Butyl hydroperoxide; Vandyl metaphosphate
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Vanadium phosphate (VPO) is well known as a heterogeneous catalyst in gas phase oxidation reactions. Till date, this material has not drawn much attention for its application in liquid phase reactions. This paper briefly highlights our recent research on vanadyl metaphosphate concerning its fabrication, characterization and application towards liquid phase oxidation of benzyl alcohol to benzaldehyde using tert-butyl hydroperoxide (TBHP) as the oxidant. In our preliminary catalytic studies, we find that the VO(PO3)(2) exhibits extraordinarily high activity and selectivity in oxidation of benzyl alcohol under mild conditions. The benzyl alcohol conversion is largely increased but the selectivity for benzaldehyde is slightly decreased with the increase in reaction period or temperature. The present catalyst VO(PO3)(2) showed remarkable catalytic activity with respect to other catalytic system: conversion and selectivity with respect to aldehyde is 97 and 99%, respectively. (C) 2011 Elsevier B.V. All rights reserved.
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