Experimental evidence for the elusive ketohydroperoxide pathway and the formation of glyoxal in ethylene ozonolysis

Caroline Smith Lewin; Olivier Herbinet; Gustavo A. Garcia; Philippe Arnoux; Luc-Sy Tran; Guillaume Vanhove; Laurent Nahon; Frédérique Battin-Leclerc; Jérémy Bourgalais

doi:10.1039/D2CC05229F

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Experimental evidence for the elusive ketohydroperoxide pathway and the formation of glyoxal in ethylene ozonolysis†

Caroline Smith Lewin,^a Olivier Herbinet,

^a Gustavo A. Garcia,

^b Philippe Arnoux,^a Luc-Sy Tran,^c Guillaume Vanhove,

^c Laurent Nahon,

^b Frédérique Battin-Leclerc

^a and Jérémy Bourgalais

*^a

Author affiliations

* Corresponding authors

^a Université de Lorraine, CNRS, LRGP, F-54000 Nancy, France
E-mail: jeremy.bourgalais@cnrs.fr

^b Synchrotron SOLEIL, L’Orme des merisiers, Saint-Aubin-BP 48, 91192 Gif-sur-Yvette Cedex, France

^c Université Lille, CNRS, UMR 8522 – PC2A – Physicochimie des Processus de Combustion et de l’Atmosphère, F-59000 Lille, France

Abstract

Despite decades of research on alkene ozonolysis, the kinetic network of the archetypal case of ethylene (CH₂ [double bond, length as m-dash] CH₂) with ozone (O₃) still lacks consensus. In this work, experimental evidence of an elusive diradical pathway is provided through the detection of the 2-hydroperoxyacetaldehyde ketohydroperoxide and its decomposition product, glyoxal.

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Article information

DOI: https://doi.org/10.1039/D2CC05229F
Article type: Communication
Submitted: 23 Sep 2022
Accepted: 03 Nov 2022
First published: 03 Nov 2022

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Chem. Commun., 2022,58, 13139-13142

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Experimental evidence for the elusive ketohydroperoxide pathway and the formation of glyoxal in ethylene ozonolysis

C. S. Lewin, O. Herbinet, G. A. Garcia, P. Arnoux, L. Tran, G. Vanhove, L. Nahon, F. Battin-Leclerc and J. Bourgalais, Chem. Commun., 2022, 58, 13139 DOI: 10.1039/D2CC05229F

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Chemical Communications

Experimental evidence for the elusive ketohydroperoxide pathway and the formation of glyoxal in ethylene ozonolysis†

Abstract

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Experimental evidence for the elusive ketohydroperoxide pathway and the formation of glyoxal in ethylene ozonolysis

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