Liquid-phase hydrogenation of 1,5-cyclooctadiene on zeolite-encapsulated noble metal-salen complexes

被引：29

作者：

Ernst, S ^{[1
]}

Disteldorf, H ^{[1
]}

Yang, X ^{[1
]}

机构：

[1] Univ Kaiserslautern, Dept Chem Chem Technol, D-67653 Kaiserslautern, Germany

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 1998年 / 22卷 / 1-3期

关键词：

ship-in-the-bottle catalysts; noble-metal salen complexes; catalysis; hydrogenation; immobilized chiral complexes;

D O I：

10.1016/S1387-1811(98)00077-8

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The preparation of palladium and rhodium complexes of the Schiff base salen (N,N'-bis-(salicylidene)-ethylenediamine) in the intracrystalline cavities of zeolites with the FAU and the EMT framework topology is reported. The host/guest compounds obtained are active catalysts for the selective hydrogenation of 1,5-cyclooctadiene in the liquid phase at 60 degrees C and under a hydrogen pressure of 1.5 MPa. In addition, the immobilization of palladium complexes of the chiral salen-type ligand R,R-N,N'-bis-(3,5-di-tertbutylsalicylide)-1,2-cyclohexanediamine in zeolites FAU and EMT is reported for the first time. These materials too are active catalysts for the selective hydrogenation of 1,5-cyclooctadiene. However, their ability to catalyse enantioselective hydrogenations remains to be demonstrated. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：457 / 464

页数：8

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