Alkylation of hydroquinone with tert-butyl alcohol over bis[(perfluoroalkyl)sulfonyl]imides supported on MCM-41

被引：1

作者：

Yuan Yu-Bin ^{[1
]}

Nie Jin ^{[1
]}

Zhang Zheng-Bo ^{[1
]}

Zhou San-Yi ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Dept Chem, Wuhan 430074, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2006年 / 24卷 / 12期

关键词：

MCM-41; bis[(perfluoroalkyl)sulfonyl]imide; hydroquinone; tert-butylation; supported strong acid; catalysis;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bis[(perfluoroalkyl)sulfonyl]imides [HN(SO2Rf)(2), and R-f represents the perfluorinated alkyl group] supported on MCM-41 were synthesized and characterized by XRD, MR, SEM, TGA and N-2-adsorption techniques. The supported catalysts, HN(SO2Rf)(2)/MCM-41, were used as the catalysts for the tert-butylation of hydroquinone (HQ) with tert-butyl alcohol (TBA) in the liquid phase. A high yield (52.0%) of 2-tert-butyl hydroquinone (TBHQ) could be obtained in the presence of 5 mol% HN(SO2C4F9)(2)/MCM-41 under the optimized reaction conditions and the heterogeneous catalyst could be recycled at least 6 times without substantial loss of activity.

引用

页码：1692 / 1699

页数：8

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