Oxidation of aromatic aldehydes in the ionic liquid [bmim]PF6

  • Howarth J
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Abstract

Arom. aldehydes 4-RC6H4CHO (R = H, Me, Cl, Br, MeO, HO, CHO) were oxidized to the carboxylic acids 4-RC6H4CO2H using the catalyst [Ni(acac)2] and dioxygen at atm. pressure, as the oxidant, in the ionic liq. N-butyl-N-methylimidazolium hexafluorophosphate, [bmim]·PF6. The catalyst and ionic liq. could be recycled after extn. of the carboxylic acid product. [on SciFinder(R)]

Author-supplied keywords

  • Aldehydes Role: RCT (Reactant), RACT (Reactant or
  • Oxidation
  • Oxidation catalysts
  • Solvent effect (nickel-catalyzed oxidn. of arom. a
  • butylmethylimidazolium hexafluorophosphate ionic l
  • nickel-catalyzed oxidn. of arom. aldehydes by diox
  • oxidn arom aldehyde nickel catalyst

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Authors

  • J Howarth

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