Acylation of Cyclohexene and 1-Methylcyclohexene Over Zeolites and Mesoporous Molecular Sieves

被引：0
|
作者：
D. Procházková
M. Bejblová
J. Vlk
J. Čejka
机构：
[1] J. Heyrovský Institute of Physical Chemistry,
[2] Academy of Sciences of the Czech Republic,undefined
来源：
Topics in Catalysis | 2009年 / 52卷
关键词：
Acylation; Cyclohexene; 1-Methylcyclohexene; Molecular sieves;
D O I：
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中图分类号：
学科分类号：
摘要：
Liquid phase Friedel-Crafts acylation of cyclohexene and 1-methylcyclohexene was investigated over zeolites and mesoporous molecular sieves. The effect of the structure and concentration and type of active sites on the conversion and selectivity of cyclohexene and 1-methylcyclohexene was investigated. In addition, the effect of the chain length of acylating agent was studied. Catalytic experiments were carried out at temperature 80 °C and at atmospheric pressure. The highest conversion was reached over zeolite Beta with Si/Al ratio 37.5 (cyclohexene conversion 78.7%, 1-methylcyclohexene conversion 54.1%). It was found that with increasing chain length of the acylating agent cyclohexene as well as 1-methylcyclohexene conversions decrease. No direct relationship between the conversion of cyclohexene or 1-methylcyclohexene and the concentration of Lewis acid sites was found.
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页码：618 / 626
页数：8
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