期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 217, 期 1, 页码 164-168出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2010.10.004
关键词
Anthraquinone; Hydrogen peroxide; Photochemistry; Hydrogen abstraction; Green chemistry
资金
- National Natural Science Foundation of China [30870581, 20972149]
- USTC
A new synthesis method of hydrogen peroxide was investigated by the photoreduction of 2-ethylanthraquinone (AQ) in water-insoluble organic solvents. Through optimizing the photoreduction condition including solvent, atmosphere and irradiated time, the photolysis system of 1,3,5-trimethylbenzene/trioctyl phosphate (3:1) solvent mixture under oxygen atmosphere was found to give a high yield of hydrogen peroxide. Furthermore, the formation mechanism of hydrogen peroxide was proposed, i.e. photoreduction and subsequent oxidation of AQ. The photoreduction of 2-ethylanthraquinone undergoes the hydrogen abstraction from solvent to form the anthrahydroquinone, which is subsequently oxidized by oxygen to give hydrogen peroxide. (C) 2010 Elsevier B.V. All rights reserved.
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