Catalytic Oxygen Absorption with the Styrene Epoxide–Hydroquinone–Copper(II) Chloride Ternary System in Aqueous tert-Butanol

— This paper describes oxidation of a ternary system (styrene epoxide (SE)—hydroquinone (Hq)—Cu(II) chloride) with oxygen in the solvent ( tert -butanol/water (4 : 1 by volume)). The expression of the rate in the concentration: V = k [CuCl 2 ] 1 [SE] 0 [Hq] 0 at [SE] > [Hq] > [CuCl 2 ] is expl...

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Published inRussian journal of physical chemistry. B Vol. 14; no. 1; pp. 29 - 32
Main Authors Petrov, L. V., Solyanikov, V. M.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2020
Springer Nature B.V
Subjects
Butanol
Chemistry
Chemistry and Materials Science
Copper chloride
Copper compounds
Hydroquinone
Kinetics and Mechanism of Chemical Reactions. Catalysis
Oxidation
Oxygen
Physical Chemistry
Styrenes
Ternary systems
butanol
copper chloride
free radicals
oxidation
styrene epoxide
catalysis
water
molecular oxygen
hydroquinone
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Summary:— This paper describes oxidation of a ternary system (styrene epoxide (SE)—hydroquinone (Hq)—Cu(II) chloride) with oxygen in the solvent ( tert -butanol/water (4 : 1 by volume)). The expression of the rate in the concentration: V = k [CuCl 2 ] 1 [SE] 0 [Hq] 0 at [SE] > [Hq] > [CuCl 2 ] is explained by the formation of the ternary complex, antecedent of oxidation. The effective rate constant of the oxidation is k [s –1 ] = 92.5 exp (–22/ RT ) at 323–343 K. The ratio of concentration of absorbed oxygen to copper catalyst [O 2 ] /[CuCl 2 ] 1, i.e., the oxidation is a catalytic reaction.
ISSN:1990-7931
1990-7923
DOI:10.1134/S199079312001011X