Reaction mechanism of 1-(4-methoxyphenyl)-2-selenourea and HOO• from quantum chemical calculation perspectives
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1.
Hương Đinh Q, Dương T, Nam PC. Reaction mechanism of 1-(4-methoxyphenyl)-2-selenourea and HOO• from quantum chemical calculation perspectives. hueuni-jns [Internet]. 2020Jun.30 [cited 2024Mar.28];129(1C):5-14. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/5695

Abstract

The density functional theory (DFT) has been used to study the antioxidant capacity of 1-(4-methoxyphenyl)-2-selenourea (CH3OPSeU) in reaction with HOO. Three reaction mechanisms (hydrogen atom transfer (HAT), single electron transfer (SET), and radical adduct formation (RAF)), and reaction rate constants were investigated and calculated. The results show that the HAT mechanism is generally more predominant than the SET and HAT ones. The quantity of products under this mechanism accounts for 99,9% of the total products. N12–H13 is the most favored hydrogen transfer position with the highest rate constant at 4,1×106 M–1·s–1.

https://doi.org/10.26459/hueuni-jns.v129i1C.5695
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