HETEROGENEOUS PALLADIUM CATALYSTS FOR THE HECK REACTION

被引：43

作者：

KIVIAHO, J ^{[1
]}

HANAOKA, T ^{[1
]}

KUBOTA, Y ^{[1
]}

SUGI, Y ^{[1
]}

机构：

[1] AIST,NATL INST MAT & CHEM RES,TSUKUBA,IBARAKI 305,JAPAN

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 1995年 / 101卷 / 01期

关键词：

HECK REACTION; IODOBENZENE; METHYL ACRYLATE; PALLADIUM; SILICA; SUPPORTED CATALYSTS; VINYLATION;

D O I：

10.1016/1381-1169(95)00051-8

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 vinylation of iodobenzene with methyl acrylate was studied using palladium-based heterogeneous catalysts. Methyl cinnamate was formed as vinylation product and benzene as side product. All catalysts were of the type SiO2-X-(NH)(2)-Pd-L(2), where L=P(C6H5)(3) or C6H5CN and X = Sn, Al or Ti. The catalysts were stable and could be reused several times in normal atmosphere without suffering appreciable loss in catalytic activity. The activity of the catalysts was good even at low temperature, and selectivities were very high. Strong interaction indicating the existence of chemical bonding was found between the modified silica support and palladium complex. A model of the active surface compound is proposed and confirmed.

引用

页码：25 / 31

页数：7

共 8 条

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