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trans‐Stilbene epoxidation by He+O2 atmospheric pressure plasma: Epoxidation without oxidant waste stream

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posted on 2019-10-10, 13:18 authored by Han Xu, Sui Wang, Muhammad Shaban, Faraz Montazersadgh, Anas Alkayal, Dingxin Liu, Michael G Kong, Benjamin BuckleyBenjamin Buckley, Felipe IzaFelipe Iza
Plasmas interacting with organic liquids can lead to novel synthetic processes that are not feasible with conventional vacuum systems due to vapor pressure limitations. Of particular interest are processes that eliminate the generation of waste-streams. Here we show that He+O2 plasma can drive the epoxidation of alkenes in solution, in a process that generates epoxides without oxidant waste-streams, runs at room temperature and atmospheric pressure, and requires no catalyst. The reactions between different reactive oxygen species generated in the plasma and the target alkene, trans-stilbene in this study, have been identified and optimization of the plasma conditions within the constraints of the current experimental set-up have led to yields of ~70%, which are of preparative interest.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Plasma Processes and Polymers

Volume

17

Issue

1

Publisher

Wiley

Version

  • AM (Accepted Manuscript)

Rights holder

© WILEY‐VCH

Publisher statement

This is the peer reviewed version of the following article: Xu, H. … et al., 2019. trans‐Stilbene epoxidation by He+O2 atmospheric pressure plasma: Epoxidation without oxidant waste stream. Plasma Processes and Polymers, 17(1): 1900162, which has been published in final form at https://doi.org/10.1002/ppap.201900162. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

Acceptance date

2019-09-17

Publication date

2019-10-02

Copyright date

2019

ISSN

1612-8850

eISSN

1612-8869

Language

  • en

Depositor

Dr Felipe Iza

Article number

1900162

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