期刊
TETRAHEDRON
卷 68, 期 46, 页码 9423-9428出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2012.09.004
关键词
Toluene oxidation; Heterogeneous catalyst; 4-Vinylpyridine; Hydrogen peroxide; Iron(III)
资金
- Commission on Higher Education (CHE), Thailand
- Center of Excellence for Innovation in Chemistry (PERCH-CC)
- National Research University Project under Thailand's Office of the Higher Education Commission
Poly(4-vinylpyridine-co-divinylbenzene) supported iron(III) catalysts were developed for the selective oxidation of toluene to benzoic acid in the presence of H2O2. The influence of the DVB content on the capacity of immobilized Fe(III) and on the catalytic activities of the polymeric complexes was investigated. The extent of Fe(III) uptake by the copolymers varied slightly with the concentration of DVB. The catalytic activities generally increase with increasing degree of crosslinker from 2 to 10% and decrease further with increasing the DVB content. Under the optimal conditions (80 degrees C, 6 h), the catalyst containing 10% DVB was found to be highly efficient in conversion of toluene to benzoic acid with 90% conversion and 96% selectivity. (C) 2012 Elsevier Ltd. All rights reserved.
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