Catalytic Activity Dependency on Catalyst Components in Aerobic Copper-TEMPO Oxidation

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Abstract

The influence of catalyst components in the copper–TEMPO (2,2,6,6-tetramethylpiperidine N-oxide) catalysed aerobic oxidation of alcohols was investigated. The type and amount of base greatly influences reactivity. The bipyridyl ligand concentration had no major influence on catalysis, but excessive
amounts led to a decrease in activity for longer reaction times. The kinetic dependency for TEMPO was found to be 1.15, and for copper 2.25, which is an indication of a binuclear catalytic system. Optimised conditions with various allylic and aliphatic alcohols give good to excellent rapid oxidations.

Details

Original languageEnglish
Pages (from-to)10901-10911
JournalCHEMISTRY: A EUROPEAN JOURNAL
Volume15
Issue number41
Publication statusPublished - 2009
MoE publication typeA1 Journal article-refereed

    Research areas

  • alcohols, copper, homogenous catalysis, oxidation, TEMPO

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