Coumarin reactivity in free radical reactions

AbstractIn the present work the final products of coumarin radiation chemical transformation are investigated by chromatography. During radiolysis of coumarin by a60Co- γ-source, ethanal concentrations were determined and radiation chemical yields for different systems were calculated. A hypothesis of coumarin reactivity in free radical reactions with\({\text{CH}}_{3} {\dot{\text{C}}\text{HOH}}\) is suggested. Coumarin was shown to have reducing properties with carbon-centred α-hydroxyethyl free radicals. Coumarin antioxidant activity increased in the presence of zinc (II) ions.
Source: Journal of Radioanalytical and Nuclear Chemistry - Category: Nuclear Medicine Source Type: research