Abstract
In the present work the final products of coumarin radiation chemical transformation are investigated by chromatography. During radiolysis of coumarin by a 60Co-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.
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Acknowledgements
The authors are grateful to Professor Revina AA and to the senior teacher Fenin AA for a discussion of the results of chromato-mass spectrometric studies. The work was supported by Mendeleev University of Chemical Technology of Russia. Project Number 43-2018.
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Antropova, I.G., Kurakina, E.S., Magomedbekov, E.P. et al. Coumarin reactivity in free radical reactions. J Radioanal Nucl Chem 321, 823–829 (2019). https://doi.org/10.1007/s10967-019-06666-8
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DOI: https://doi.org/10.1007/s10967-019-06666-8