Acid Decomposition of p-tert-Butylcumene Hydroperoxide to p-tert-Butylphenol and Acetone
E. M. Yarkina, E. A. Kurganova, A. S. Frolov, G. N. Koshel’, E. M. Denisova
Российский журнал прикладной химии
https://doi.org/10.1134/S1070427219110090
p-tert-Butyphenol is a valuable product of basic organic synthesis, widely used in various branches of industry. The relationships of acid decomposition of p-tert-butylcumene hydroperoxide to p-tert-butylphenol and acetone as one of the key steps of the alternative method for p-tert-butylphenol synthesis were studied. The influence exerted by temperature, catalyst concentration, and initial concentration of p-tert-butylcumene hydroperoxide on its acid decomposition was examined. Conditions ensuring preparation of p-tert-butylphenol in 92% yield were found. A kinetic model of the acid decomposition of p-tert-butylcumene hydroperoxide in the presence of concentrated sulfuric acid was constructed; it adequately describes the experimental data and allows substantiation of the reaction mechanism.
- Yaroslavl State Technical University, Yaroslavl, 150023, RussiaE. M. Yarkina, E. A. Kurganova, A. S. Frolov, G. N. Koshel’ & E. M. Denisova
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