Oxidation of crotyl alcohol using Ti-beta and Ti-MCM-41 catalysts

Davies, Lucinda J., McMorn, Paul, Bethell, Donald, Bulman Page, Philip C., King, Frank, Hancock, Frederick E. and Hutchings, Graham J. (2001) Oxidation of crotyl alcohol using Ti-beta and Ti-MCM-41 catalysts. Journal of Molecular Catalysis A: Chemical, 165 (1-2). pp. 243-247. ISSN 1381-1169

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A comparative study of the oxidation of the crotyl alcohol using hydrogen peroxide and tert-butyl hydroperoxide as oxidants with TS-1,Ti-beta, Ti-Al beta, Ti-MCM-41, Ti-Al-MCM-41 and Ti-grafted-MCM-41 as catalysts is described and discussed. With hydrogen peroxide as oxidant, significant Ti-leaching is observed with all the catalysts except TS-I (Ti-Al beta > Ti-grafted-MCM-41 > Ti-MCM-41 > Ti beta >Ti-Al-MCM-41 much greater than TS-I). For Ti-Al beta, Ti-grafted- MCM-41 and Ti-Al-MCM-41, initial heterogeneously catalysed formation of the epoxide was observed. However, the formation of a Ti-species in solution is shown to contribute to competing homogeneously catalysed formation of ether diols and triol. Using tert-butyl hydroperoxide as oxidant the Ti-leaching was minimised and selective epoxide formation was observed with Ti-beta, Ti-Al beta and Ti-MCM-41 as heterogeneous catalysts, although, with Ti-Al beta, the ether diols and triol products dominated due to acid catalysed solvolysis of the epoxide. (C) 2001 Elsevier Science B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: crotyl alcohol oxidation,ti-al beta,ts-1,ti-beta,hydrogen-peroxide,ti-mcm-41,ti-grafted-mcm-41,acidity,ti-al-mcm-41,ti-leaching,hydrogen peroxide,tert-butylhydroperoxide,titanium silicalite,epoxidation,zeolite-beta,selective oxidation
Faculty \ School: Faculty of Science > School of Chemistry
UEA Research Groups: Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017)
Faculty of Science > Research Groups > Chemistry of Materials and Catalysis
Depositing User: Rachel Smith
Date Deposited: 21 Jun 2011 11:29
Last Modified: 24 Oct 2022 03:36
URI: https://ueaeprints.uea.ac.uk/id/eprint/32823
DOI: 10.1016/S1381-1169(00)00430-1

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