Benign oxidants and single-site solid catalysts for the solvent-free selective oxidation of toluene
Raja, R., Thomas, J.M. and Dreyer, V. (2006) Benign oxidants and single-site solid catalysts for the solvent-free selective oxidation of toluene. Catalysis Letters, 110, (3-4), 179-183. (doi:10.1007/s10562-006-0106-y).
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Two types of single-site heterogeneous catalysts have been designed so as to facilitate either the side-chain oxidation or ring-hydroxylation of toluene in O2 (solvent-free) or by employing aqueous (H2O2) or organic (cumene hydroperoxide) hydroperoxides in high yield. The use of H2O2 and cumene hydroperoxide in particular, facilitates the ring-hydroxylation of toluene when zeolite-encapsulated metal complexes, such as perhalogenated or tetra-nitro-substituted phthalocyanines, are used as catalysts. Nanoporous, redox molecular sieves, display a higher tendency for the side-chain oxidation of toluene with air as an oxidant, with benzoic acid as the predominant product.
|Keywords:||aluminophosphates, green chemistry, zeolites, cyclohexane, ring-hydroxylation, benzoic acid, molecular-sieve catalysts, air, oxygen, toluene oxidation, design,single-site heterogeneous catalysts, alkanes|
Q Science > QD Chemistry
|Divisions:||University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||31 Jul 2008|
|Last Modified:||01 Jun 2011 04:48|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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