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- Title
Benign oxidants and single-site solid catalysts for the solvent-free selective oxidation of toluene.
- Authors
Raja, Robert; Thomas, John; Dreyer, Valeria
- Abstract
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.
- Subjects
CATALYSIS; PHYSICAL &; theoretical chemistry; CHEMICAL reactions; OXIDATION; HYDROXYLATION; DICUMYL peroxide; TOLUENE
- Publication
Catalysis Letters, 2006, Vol 110, Issue 3/4, p179
- ISSN
1011-372X
- Publication type
Article
- DOI
10.1007/s10562-006-0106-y