Journal
CATALYSIS COMMUNICATIONS
Volume 9, Issue 13, Pages 2201-2204Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2008.05.008
Keywords
Mn (II) complexes; HMS; benzyl alcohol; oxidation of alcohols
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The oxidation of alcohols with tert-butylhydroperoxide (TBHP), in the presence of Mn(2+) complexes immobilized in the pore channels of mesoporous hexagonal molecular sieves (HMS), were investigated. It was found that immobilized [Mn(bpy)(2)](2+)/HMS is an efficient catalyst for the oxidation of alcohols such as benzyl alcohol, n-hexanol and cyclohexanol. The effects of reaction time, amount of Mn(2+) in the catalyst, type of substrates and oxidants in this catalysis system were investigated. At optimum conditions, TBHP is more efficient oxidant with respect to H(2)O(2). Following order has been observed for the percentage of conversions of alcohols: benzylic > 1 degrees > 2 degrees. (C) 2008 Elsevier B.V. All rights reserved.
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