Catalytic activity of boron-beta zeolite modified with indium in the epoxidation of cinnamyl alcohol

被引：8

作者：

Dimitrova, R ^{[1
]}

Neinska, Y

Mihályi, MR

Tsoncheva, T

Spassova, M

机构：

[1] Bulgarian Acad Sci, Inst Organ Chem, BU-1113 Sofia, Bulgaria

[2] Hungarian Acad Sci, Inst Chem, Chem Res Ctr, H-1525 Budapest, Hungary

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 2001年 / 74卷 / 02期

关键词：

boron-beta zeolite; indium cations; cinnamyl alcohol; epoxidation;

D O I：

10.1023/A:1017909832605

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 epoxidation of cinnamyl alcohol was carried out with hydrogen peroxide as oxidizing agent using indium-containing boron- and aluminium-beta zeolites. It was proved that InO+ ions, created by oxidation of univalent indium cations incorporated into beta zeolite by reductive solid-state ion exchange, play an important role in the activation of hydrogen peroxide. The indium-hydroperoxo complex formed in beta zeolite pores was found to be accessible by the bulky cinnamyl alcohol molecules. Among the applied catalysts In/H[B]-beta (containing 7.6% In2O3/g) showed the highest selectivity in cinnamyl alcohol epoxidation.

引用

页码：353 / 362

页数：10

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