Initiator-free hydrocarbon oxidation using supported gold nanoparticles

Hamed Alshammari, Peter J. Miedziak, Thomas E. Davies, David J. Willock, Graham J. Hutchings*, David Knight

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


The oxidation of cyclic alkenes (cyclopentene, cyclohexene, cycloheptene and cyclooctene) has been carried out under green solvent-free conditions using ambient air as the oxidant gas with a carbon-supported gold catalyst. We show that radical initiators are only required for this reaction when the cyclic alkene contains a stabilizer molecule, such as 6-bis(t-butyl)-4-methylphenol (BHT) or 3-octadecyl-(3,5-di-t-butyl-4-hydroxyphenyl)-propanoate (irganox 1076). We show that either removing the stabilizer chemically or sourcing the cycloalkane without the stabilizer the oxidation, both with and without radical initiator, is identical. This indicates that the only function of the radical initiator is to counteract the stabilizer. We have extended this work to show that stabilizer-free internal linear alkenes can be effectively epoxidised with air using the carbon-supported gold catalyst. However, unfortunately linear α-alkenes still require the addition of an initiator to achieve reaction. This work demonstrates that removal of a sacrificial reagent from a reaction is possible which adheres to the principles of green chemistry. This journal is

Original languageEnglish
Pages (from-to)908-911
Number of pages4
JournalCatalysis Science and Technology
Issue number4
Publication statusPublished - 1 Apr 2014
Externally publishedYes


Dive into the research topics of 'Initiator-free hydrocarbon oxidation using supported gold nanoparticles'. Together they form a unique fingerprint.

Cite this