The effect of the medium polarity on the mechanism of the reaction of hydroxybenzenes with hydrazyl radical in aprotic solvents View Full Text


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Article Info

DATE

2017-04

AUTHORS

N. I. Belaya, A. V. Belyj, O. M. Zarechnaya, I. N. Scherbakov, V. M. Mikhalchuk, V. S. Doroshkevich

ABSTRACT

Mechanisms of the reaction of di- and trihydroxybenzenes with 2,2′-diphenyl-1-picrylhydrazyl (stable radical) in aprotic media of different polarity have been elucidated by experimental and quantum-chemical methods. Kinetic, stoichiometric, and activation parameters of the reaction have been determined. In benzene (nonpolar solvent), the studied reaction occurs via the hydrogen atom transfer mechanism; in the polar solvent with weak ionizing ability (i.e. DMSO), the reaction predominantly occurs via the faster mechanism of coupled electron and proton transfer. More... »

PAGES

690-697

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070363217040053

DOI

http://dx.doi.org/10.1134/s1070363217040053

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1085440734


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