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A Highly Efficient and Stable Palladium Catalyst Entrapped within the Cross-Linked Chitosan Membrane for Heck Reactions
Zeng, MF; Qi, CZ; Yang J(杨静); Wang BY(王宝义); Yang, J; Wang, BY; Zhang, XM
2014
发表期刊INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷号53期号:24页码:10041-10050
摘要In this study, chitosan directly cross-linked by Pd-II cation membranes (Pd-cr-CSM) with good mechanical strength and thermal stabilities have been prepared. Although the prepared Pd-cr-CSM has neither open porous structure nor high specific surface areas, it has similar good catalytic activity and much higher stability as compared with typical prepared chitosan-stabilized palladium heterogeneous catalysts for Heck reactions. It is highly active for the Heck reactions of aryl iodides and bromides with a strong electron-withdrawing group at a palladium catalyst loading of 0.15 mol %. It can be recycled 12 times in dimethyl sulfoxide (DMSO) solution or 7 times in aqueous solution. The high activity and extreme stability of the Pd-cr-CSM catalyst are mainly attributed to the well-entrapped palladium nanoparticles inside the chitosan matrix, which might catalyze the coupling reactions in the free volume holes (open spaces) of the swollen cross-linked chitosan gel networks.
学科领域Engineering
DOI10.1021/ie501315a
收录类别SCI
WOS记录号WOS:000337720500011
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225030
专题多学科研究中心
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GB/T 7714
Zeng, MF,Qi, CZ,Yang J,et al. A Highly Efficient and Stable Palladium Catalyst Entrapped within the Cross-Linked Chitosan Membrane for Heck Reactions[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2014,53(24):10041-10050.
APA Zeng, MF.,Qi, CZ.,杨静.,王宝义.,Yang, J.,...&Zhang, XM.(2014).A Highly Efficient and Stable Palladium Catalyst Entrapped within the Cross-Linked Chitosan Membrane for Heck Reactions.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,53(24),10041-10050.
MLA Zeng, MF,et al."A Highly Efficient and Stable Palladium Catalyst Entrapped within the Cross-Linked Chitosan Membrane for Heck Reactions".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 53.24(2014):10041-10050.
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