Journal
INORGANICA CHIMICA ACTA
Volume 419, Issue -, Pages 130-134Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2014.05.019
Keywords
Sandwich complex; Oxidation; Homogeneous catalysis; Kinetics
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An attempt has been made to use tetranuclear sandwich type Mn(II) substituted POMs as catalyst for solvent free liquid phase oxidation of styrene under mild reaction conditions. The present catalytic system considered as an efficient and effective approach in achieving high conversion rate with high turnover numbers (TONs) with single selective product (benzaldehyde (BA)). Surprisingly, synthesized complex behaved as homogeneous catalyst under present reaction conditions. An efficient simple approach was introduced to regenerate catalyst and further reuse up to two cycles. Kinetic investigation reveals that the oxidation reaction of styrene follows a first order kinetics in presence of H2O2 as an oxidant. The influence of temperature on rate constant was also studied and the activation energy was found to be 34.1 kJ mol(-1). (C) 2014 Elsevier B.V. All rights reserved.
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