One-step solvent-free synthesis of cyclic carbonates by oxidative carboxylation of styrenes over a recyclable Ti-containing catalyst

被引：54

作者：

Maksimchuk, Nataliya V. ^{[1
,2
]}

Ivanchikova, Irina D. ^{[1
,3
]}

Ayupov, Artem B. ^{[1
]}

Kholdeeva, Oxana A. ^{[1
,2
]}

机构：

[1] Boreskov Inst Catalysis, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] Tomsk State Univ, Tomsk 634050, Russia

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2016年 / 181卷

基金：

俄罗斯基础研究基金会;

关键词：

Carbon dioxide; Cyclic carbonate; Mesoporous titanium-silicate; Oxidative carboxylation; Styrene; CONTAINING MOLECULAR-SIEVES; CHEMICAL FIXATION; ONE-POT; HETEROGENEOUS CATALYSTS; ORGANIC CARBONATES; MESOPOROUS SILICA; TITANIA-SILICA; DIOXIDE; CO2; EPOXIDATION;

D O I：

10.1016/j.apcatb.2015.08.010

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 mesoporous titanium-silicate prepared by evaporation-induced self-assembly is an efficient heterogeneous catalyst for the one-step oxidative carboxylation of styrenes with tert-butyl hydroperoxide and carbon dioxide in the presence of tetrabutylammonium bromide as cocatalyst under mild solvent-free conditions (50-70 degrees C, 8 bar CO2). The selectivity to cyclic carbonates reaches 69-70% at 92-98.5% substrate conversion. The catalyst can be easily recovered by filtration and reused several times without a significant deterioration of the catalytic performance. The volume yield of SC as high as 1.1 kg/L could be achieved after seven reuses. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：363 / 370

页数：8

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