Catalytic oxidation of cyclohexane with hydrogen peroxide and a tetracopper(II) complex in an ionic liquid

The catalytic peroxidative oxidation (with H2O2) of cyclohexane in an ionic liquid (IL) using the tetracopper(II) complex [(CuL)2(μ4-O,O′,O′′,O′′′-CDC)]2·2H2O [HL=2-(2-pyridylmethyleneamino)benzenesulfonic acid, CDC=cyclohexane-1,4-dicarboxylate] as a catalyst is reported. Significant improvements o...

Full description

Saved in:
Bibliographic Details
Published inComptes rendus. Chimie Vol. 18; no. 7; pp. 758 - 765
Main Authors Ribeiro, Ana P.C., Martins, Luísa M.D.R.S., Hazra, Susanta, Pombeiro, Armando J.L.
Format Journal Article
LanguageEnglish
Published Elsevier SAS 01.07.2015
Subjects
Alkane functionalization
Catalysis
Electrochemistry
Ionic conductivity
Ionic liquid
Peroxidative oxidation of cyclohexane
Tetranuclear copper complex
Tetranuclear copper complex
Alkane functionalization
Ionic conductivity
Electrochemistry
Catalysis
Peroxidative oxidation of cyclohexane
Ionic liquid
Online AccessGet full text

Cover

More Information
Summary:The catalytic peroxidative oxidation (with H2O2) of cyclohexane in an ionic liquid (IL) using the tetracopper(II) complex [(CuL)2(μ4-O,O′,O′′,O′′′-CDC)]2·2H2O [HL=2-(2-pyridylmethyleneamino)benzenesulfonic acid, CDC=cyclohexane-1,4-dicarboxylate] as a catalyst is reported. Significant improvements on the catalytic performance, in terms of product yield (up to 36%), TON (up to 529), reaction time, selectivity towards cyclohexanone and easy recycling (negligible loss in activity after three consecutive runs), are observed using 1-butyl-3-methylimidazolium hexafluorophosphate as the chosen IL instead of a molecular organic solvent including the commonly used acetonitrile. The catalytic behaviors in the IL and in different molecular solvents are discussed.
ISSN:1631-0748
1878-1543
1878-1543
DOI:10.1016/j.crci.2015.03.018