Abstract

Abstract Photo-oxidation of diethylene glycol dimethyl ether (DEDE), ethylene glycol dimethyl ether(EDE) and ethylene glycol monomethyl ether(EME) in the presence of aqueous H2O2 has been studied. DEDE and EDE give photo-oxidation products containing methanol, EME, methoxyacetaldehyde, methoxyacetic acid and methyl formate. EME gives products containing methanol, methoxyacetaldehyde and methyl formate. The oxidation is started by hydrogen atom abstraction by HO. radicals formed by the photolysis of H2O2. A reaction mechanism leading to the products (derived by initial C–O and C–C fissions) is postulated.

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