Host/guest interactions in nanoporous materials .1. The embedding of chiral salen manganese(III) complex into mesoporous silicates

被引：108

作者：

Frunza, L

Kosslick, H

Landmesser, H

Hoft, E

Fricke, R

机构：

[1] INST APPL CHEM, D-12484 BERLIN, GERMANY

[2] INST PHYS & TECHNOL MAT, BUCHAREST, ROMANIA

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1997年 / 123卷 / 2-3期

关键词：

D O I：

10.1016/S1381-1169(97)00046-0

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 embedding of a enantioselective homogeneous catalyst - the chiral manganese(III) cationic complex of salen type (Jacobsen complex I) - into the pores of mesoporous substituted silicates is investigated. The host/guest interaction is studied by different methods: TG-DTA, UV-VIS, and FTIR. The results are consistent with a location of the large Mn complex inside the mesopores. Catalytic tests in olefin epoxidation prove the fully maintenance of the catalytic activity and stereoselectivity of the complex after embedding. This promising result indicates that MCM-like materials might have perspectives as supports for the heterogenization of homogeneous catalysts. (C) 1997 Published by Elsevier Science B.V.

引用

页码：179 / 187

页数：9

共 45 条

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