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Issue 8, 2001
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Catalytically active centres in porous oxides: designand performance of highly selective new catalysts

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Abstract

Active centres have been designed on high-area, molecular sieve catalysts which, inter alia, can convert n-alkanes to n-alkanols and n-alkanoic acids, cyclohexane to cyclohexanol, cyclohexanone and adipic acid, and n-hexane to adipic acid all using either oxygen or air as oxidants. A number of one-step processes and solvent-free chemical conversions, of paramount importance in the development of clean technology, are also described with catalysts designed (i) to oxidise p-xylene to terephthalic acid aerobically, (ii) to effect Baeyer–Villiger reactions with oxygen, and (iii) for the conversion of cyclohexanone to ε-caprolactam under mild conditions. The inner surfaces of mesoporous silicas may also be atomically engineered so as to yield high-performance epoxidation of alkenes at TiIV-centred active sites, as well as enantioselective hydrogenations of organic species using constrained chiral catalysts.

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Publication details

The article was received on 09 Jan 2001, accepted on 15 Feb 2001 and first published on 29 Mar 2001


Article type: Feature Article
DOI: 10.1039/B100369K
Chem. Commun., 2001, 675-687

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    Catalytically active centres in porous oxides: design and performance of highly selective new catalysts

    J. M. Thomas and R. Raja, Chem. Commun., 2001, 675
    DOI: 10.1039/B100369K

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