BENZOYLATION OF BENZENE TO BENZOPHENONE OVER ZEOLITE CATALYSTS

被引：37

作者：

SINGH, AP

BHATTACHARYA, D

机构：

[1] Catalysis Division, National Chemical Laboratory, Pune

来源：

CATALYSIS LETTERS | 1995年 / 32卷 / 3-4期

关键词：

BENZOYLATION OF BENZENE; PREPARATION OF BENZOPHENONE; ZEOLITE BETA;

D O I：

10.1007/BF00813227

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：

The liquid phase benzoylation of benzene with benzoyl chloride (BOG) to benzophenone is catalyzed by various zeolites at 353 K. Zeolite H-beta is found to be more active than the other zeolites. The conversion of benzoyl chloride to benzophenone over H-beta increases significantly with increase in the reaction time, temperature, catalyst/BOC (wt/wt) and benzene/BOC (mole) ratios. The yield of benzophenone decreases with increase in SiO2/Al2O3 ratio and isomorphous substitution of Al- by Ga- and Fe- in zeolite H-Al-beta in the following order: Al- > Ga- > Fe-H-beta suggesting that high density of acidic centers along with strong acid sites are required for the reaction.

引用

页码：327 / 333

页数：7

共 23 条

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