ALKYLATION OF P-SUBSTITUTED PHENOLS BY HETEROPOLY ACIDS

被引：16

作者：

KOZHEVNIKOV, IV

TSYGANOK, AI

TIMOFEEVA, MN

KULIKOV, SM

SIDELNIKOV, VN

机构：

[1] Institute of Catalysis, Novosibirsk

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 1992年 / 46卷 / 01期

关键词：

Cresols - Heteropoly Acids - Tertiary Butylphenols;

D O I：

10.1007/BF02096672

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：

Liquid-phase alkylation of p-tert-butylphenol (TBP) and p-cresol by olefins and benzyl chloride in the presence of solid heteropoly acids (HPA) H3PW12O40 and 25% H3PW12O40/SiO2 at 100-150-degrees-C provides high yields of mono- and disubstituted products. HPAs are more active than H2SO4, easily separated from the reaction mixture and can be used repeatedly.

引用

页码：17 / 23

页数：7