First heterogeneously palladium catalysed α-arylation of diethyl malonate

被引：37

作者：

Djakovitch, L ^{[1
]}

Köhler, K ^{[1
]}

机构：

[1] Tech Univ Munich, Inst Anorgan Chem, D-85748 Garching, Germany

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2000年 / 606卷 / 02期

关键词：

heterogeneous catalytic alpha-arylation; carbonyl derivatives; zeolite supported palladium; aryl halides;

D O I：

10.1016/S0022-328X(00)00204-7

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Pd exchanged NaY zeolites ([Pd(0)](-), [Pd(II)](-) and entrapped [Pd(NH3)(4)]) exhibit a good activity towards the alpha-arylation of carbonyl compounds using different para-substituted aryl bromides. Low Pd-concentrations (only 2 mol%) are required to observe interesting activity. The catalysts can easily be separated from the reaction mixture and reused without any loss in activity. For large-scale applications the alternative use of an insoluble base as K2CO3 seems to be promising. The electronic nature of the aryl halides plays a limited role concerning the rate of the reaction. (C) 2000 Elsevier Science S.A. All rights reserved.

引用

页码：101 / 107

页数：7

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