TRANSALKYLATION OF PHENOLS OVER HETEROPOLY ACIDS

被引：13

作者：

KOZHEVNIKOV, IV

KULIKOV, SM

TIMOFEEVA, MN

KRYSIN, AP

TITOVA, TF

机构：

[1] Institute of Catalysis, Novosibirsk

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 1991年 / 45卷 / 02期

关键词：

D O I：

10.1007/BF02070436

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：

Transalkylation of 2,6-di-tert-butyl-4-R-phenols over solid heteropoly acids (H3PW12O40, H4SiW12O40, H3PW12O40/SiO2, H4SiW12O40/SiO2) in the presence of toluene or o-xylene as acceptors of a tert-butyl group at 100-140-degrees-C produces 4-R-phenols with 92-98% yield (R = H, alkyl, aryl, etc.). HPAs are effective catalysts for the transalkylation of p-cresol and 2,6-di-tert-butyl-4-methylphenol.

引用

页码：257 / 263

页数：7

共 13 条

[1] SILICA-SUPPORTED HETEROPOLY ACID CATALYST FOR LIQUID-PHASE FRIEDEL-CRAFTS REACTIONS [J].