Crown Ether Complexes with Alkaline Earth Metal Chlorides as Catalysts for the Decomposition of Isopropylbenzene Hydroperoxide

被引：0

作者：

Nurullina, N. M. ^{[1
]}

Usmanova, Yu. Kh. ^{[1
]}

Karalin, E. A. ^{[1
]}

Elimanova, G. G. ^{[1
]}

Kharlampidi, Kh. E. ^{[1
]}

机构：

[1] Kazan Natl Res Technol Univ, Kazan 420015, Russia

来源：

KINETICS AND CATALYSIS | 2023年 / 64卷 / 04期

关键词：

dibenzo-18-crown-6; ether; isopropylbenzene hydroperoxide; catalytic decomposition; quantum-chemical modeling; complexation; CUMYL HYDROPEROXIDE; OXIDATION; CUMENE; ZINC; DIBENZO-18-CROWN-6; ETHYLBENZENE; SALTS;

D O I：

10.1134/S0023158423040109

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The kinetic and thermodynamic parameters of the decomposition of isopropylbenzene hydroperoxide in chlorobenzene in the presence of dibenzo-18-crown-6 ether (DB18C6) complexes with CaCl2, SrCl2, and BaCl2 were experimentally obtained. The catalytic activity of the alkaline earth metal compounds decreased in the order SrCl2 center dot DB18C6 > CaCl2 center dot DB18C6 > BaCl2 center dot DB18C6. The formation of intermediates in the metal complex-hydroperoxide system was established kinetically. SrCl2 center dot DB18C6 formed the strongest and most ordered structures with isopropylbenzene hydroperoxide, which decomposed at the highest rates. Quantum-chemical modeling confirmed the formation of intermediates.

引用

页码：403 / 411

页数：9

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