Pd/SiO2 as Heterogeneous Catalyst for the Heck Reaction: Evidence for a Sensitivity to the Surface Structure of Supported Particles

被引：0
作者：
Gianmario Martra
Luca Bertinetti
Claudio Gerbaldi
Raimondo Maggi
Giovanni Sartori
Salvatore Coluccia
机构：
[1] University of Torino,Department of I.P.M. Chemistry and NIS Centre of Excellence
[2] University of Parma and Interuniversity Consortium “Chemistry for the Environment” (INCA),Clean Synthetic Methodologies Group, Department of Organic and Industrial Chemistry
[3] Polytechnic of Torino,Department of Material Science and Chemical Engineering
来源：
Catalysis Letters | 2009年 / 132卷
关键词：
Heck reaction; Supported Pd catalysts; Structure sensitivity; IR spectroscopy of adsorbed CO;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The contact of Pd(AcO)2 in solution with thiouric tethered to a silica led to the formation of supported nanoparticles (ca. 2 nm in size) active in the Heck reaction, quite sensitive to the palladium leaching. A stable supported phase was obtained by subsequent calcination, but the catalytic activity resulted strongly dependent on the calcination temperature. Such a behaviour was related to differences in the surface structure of the supported particles, as those monitored by IR spectroscopy of CO adsorbed on catalysts reduced at various temperatures.
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页码：50 / 57
页数：7
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