authors |
Estrada, AC; Santos, ICMS; Simoes, MMQ; Neves, MGPMS; Cavaleiro, JAS; Cavaleiro, AMV |
nationality |
International |
journal |
APPLIED CATALYSIS A-GENERAL |
author keywords |
Oxidation; Hydrogen peroxide; Fe; Mn; Supported metal-substituted; polyoxometalates |
keywords |
KEGGIN-TYPE POLYOXOTUNGSTATES; AEROBIC OXIDATION; AMORPHOUS SILICA; SURFACE; TUNGSTOPHOSPHATES; CYCLOALKANES; CYCLOHEXANE; COMPLEXES; CHEMISTRY; ALDEHYDES |
abstract |
The preparation and characterization (FT-IR, FT-Raman, diffuse reflectance, elemental analysis) of novel catalysts with iron or manganese substituted polyoxotungstates [XM(III)(H(2)O)W(11)O(39)](n-) (X = P, M = Fe or Mn; X = Si or B, M = Fe) immobilized on a functionalized silica matrix are reported. The new materials were tested as heterogeneous catalysts in the oxidation of cis-cyclooctene and cyclooctane at 80 degrees C, using environmentally safe hydrogen peroxide as oxidant and acetonitrile as solvent. Some of these novel heterogeneous catalysts could be reused several times without appreciable loss of catalytic activity. (C) 2010 Elsevier B.V. All rights reserved. |
publisher |
ELSEVIER SCIENCE BV |
issn |
0926-860X |
year published |
2011 |
volume |
392 |
issue |
1-2 |
beginning page |
28 |
ending page |
35 |
digital object identifier (doi) |
10.1016/j.apcata.2010.10.026 |
web of science category |
Chemistry, Physical; Environmental Sciences |
subject category |
Chemistry; Environmental Sciences & Ecology |
unique article identifier |
WOS:000287265500004
|