Tr-liquid system in the synthesis of dialkyl peroxides using tetraalkylammonium salts as phase-transfer catalysts

被引：14

作者：

Baj, Stefan ^{[1
]}

Siewniak, Agnieszka ^{[1
]}

机构：

[1] Silesian Tech Univ, Chair Chem Organ Technol & Petrochem, PL-44100 Gliwice, Poland

来源：

APPLIED CATALYSIS A-GENERAL | 2010年 / 385卷 / 1-2期

关键词：

Dialkyl peroxides; Hydroperoxides; Phase-transfer catalysts; Liquid-liquid-liquid PTC; BENZYL-CHLORIDE; 3RD-LIQUID PHASE; ETHER SYNTHESIS; SODIUM SULFIDE; O-ALKYLATION; SELECTIVITY; KINETICS; 3RD-PHASE; RATES; INTENSIFICATION;

D O I：

10.1016/j.apcata.2010.07.015

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：

A highly effective method to synthesise dialkyl peroxides from alkyl hydroperoxides and alkyl bromides in a liquid-liquid-liquid system using tetraalkylammonium salts as phase-transfer catalysts is reported. This process was conducted in the presence of highly concentrated aqueous KOH solutions and cyclohexane as an organic solvent. In a liquid-liquid-liquid system, the phase-transfer catalyst forms an insoluble third-liquid phase between the organic and aqueous phases that enables the catalyst to be recycled multiple times. Dialkyl peroxides were obtained in high yields and with 100% selectivity. (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：208 / 213

页数：6

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