Sustainable catalytic epoxidation of biorenewable terpene feedstocks using H2Oas an oxidant in flow microreactors

Joshua D. Tibbetts, William B. Cunningham, Massimiliano Vezzoli, Pawel Plucinski, Steven D. Bull*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

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. This journal is
Original languageEnglish
Pages (from-to)5449-5455
Number of pages7
JournalGreen Chemistry
Volume23
Issue number15
Early online date6 Jul 2021
DOIs
Publication statusPublished - 7 Aug 2021

Bibliographical note

Funding Information:
We would like to thank EPSRC for funding through “Terpene-based Manufacturing for Sustainable Chemical Feedstocks” EP/K014889 and the Centre for Doctoral Training in Sustainable Chemical Technologies (EP/L016354/1). Södra Forestry Cooperative are thanked for supplying an authentic industrial sample of CST.

Publisher Copyright:
© The Royal Society of Chemistry.

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