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Hofmann, Benjamin J. 
ORCID: https://orcid.org/0000-0001-6408-3472, Huber, Stefan, Reich, Robert M., Drees, Markus and Kühn, Fritz E.
(2019)
Ethyltrioxorhenium – Catalytic application and decomposition pathways.
Journal of Organometallic Chemistry, 885.
pp. 32-38.
ISSN 0022-328X
Abstract
Despite its sensitivity, ethyltrioxorhenium (ETO) is applicable as catalyst in the epoxidation of olefins using either tert-butylhydroperoxide (TBHP) or hydrogen peroxide as oxidants. Conversions of approximately 80% with only epoxide being formed and a turnover frequency (TOF) of up to 1200 h−1 can be achieved with TBHP in 1,1,1,3,3,3-hexafluroroisopropanol (HFI). As proven for its more stable congener MTO, the active species is highly likely an alkyl peroxo species, as shown by 17O-NMR experiments. Experimental and theoretical studies on the decomposition mechanism of ETO in diluted polar solvents reveal that the degradation pathway proceeds equally via β-hydrogen elimination and radical decomposition.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Chemistry (former - to 2024) |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 17 Jul 2021 00:12 |
| Last Modified: | 25 Sep 2024 15:42 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/80630 |
| DOI: | 10.1016/j.jorganchem.2019.02.004 |
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