Sustainable catalytic epoxidation of biorenewable terpene feedstocks using H2O2 as an oxidant in flow microreactors
Solvent-free continuous flow epoxidation of the alkene bonds of a range of biorenewable terpene substrates have been carried out using a recyclable tungsten-based polyoxometalate phase transfer catalyst and aqueous H2O2 as a benign oxidant. These sustainable flow epoxidation reactions are carried ou...
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Veröffentlicht in: | Green chemistry : an international journal and green chemistry resource : GC 2021-08, Vol.23 (15), p.5449-5455 |
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creator | Tibbetts, Joshua D Cunningham, William B Vezzoli, Massimiliano Plucinski, Pawel Bull, Steven D |
description | Solvent-free continuous flow epoxidation of the alkene bonds of a range of biorenewable terpene substrates have been carried out using a recyclable tungsten-based polyoxometalate phase transfer catalyst and aqueous H2O2 as a benign oxidant. These sustainable flow epoxidation reactions are carried out in commercial microreactors containing static mixing channels that enable common monoterpenes (e.g. untreated crude sulfate turpentine, limonene, etc.) to be safely epoxidized in short reaction times and in good yields. These flow procedures are applicable for the flow epoxidation of trisubstituted and disubstituted alkenes for the safe production of multigram quantities of a wide range of epoxides. |
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subjects | Alkenes Catalysts Continuous flow Epoxidation Epoxides Green chemistry Hydrogen peroxide Limonene Microreactors Monoterpenes Oxidants Oxidizing agents Phase transfer catalysts Polyoxometallates Substrates Tungsten Turpentine |
title | Sustainable catalytic epoxidation of biorenewable terpene feedstocks using H2O2 as an oxidant in flow microreactors |
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