PEG1000-DAIL / Toluene Temperature-dependent Biphasic System that Regulate Homogeneously Catalyzed Oxidation of Primary Alcohols to Carboxylic Acids.

An efficient and convenient procedure for the hydrogen peroxide oxidation of primary alcohols to the carboxylic acids in aqueous media in regulated temperature-dependant; recyclable phase-separation catalytic system comprised of the PEG1000-based dicationic acidic ionic liquid and toluene under homogeneous conditions in good to excellent yield is reported.