Antioxidant activity of 2-methyl-1,3-benzoxazol-6-ol |
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Authors: | E I Khizhan A I Khizhan A N Nikolaevskii O P Kniga T N Ivleva G A Tikhonova |
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Institution: | 1. Donetsk National University, ul. Universitetskaya 24, Donetsk, 83001, Ukraine 2. Litvinenko Institute of Physical Organic and Coal Chemistry, National Academy of Sciences of Ukraine, ul. R. Lyuksemburg 70, Donetsk, 83114, Ukraine
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Abstract: | Antioxidant effect of 2-methyl-1,3-benzoxazol-6-ol in radical chain oxidation of organic compounds with molecular oxygen was studied. Antiradical activity in the reaction with stable diphenylpicrylhydrazyl radical was examined by photocolorimetry. The kinetic parameters of the reaction of 2-methyl-1,3-benzoxazol-6-ol with peroxy radicals of different natures were determined by volumetric and chemiluminescence methods. A relation was found between the antioxidant activity and electronic structure parameters calculated by quantum-chemical methods. Factors responsible for differences in chemiluminescence in the oxidation of organic substances with different polarities in the presence of the title compound were analyzed. |
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