An Efficient and Recyclable Mesostructured Polymer-Supported N-Heterocyclic Carbene-Palladium Catalyst for Sonogashira Reactions

YU Tao; WU Haihong; WU Peng

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An Efficient and Recyclable Mesostructured Polymer-Supported N-Heterocyclic Carbene-Palladium Catalyst for Sonogashira Reactions

YU Tao,WU Haihong,WU Peng * #

Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University

*Correspondence author

#Submitted by

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Funding: STCSM （No.No.09XD1401500）, Research Fund for the Doctoral Program of Higher Education Research （No.20070269023）

Opened online:11 March 2011

Accepted by: none

Citation: YU Tao,WU Haihong,WU Peng.An Efficient and Recyclable Mesostructured Polymer-Supported N-Heterocyclic Carbene-Palladium Catalyst for Sonogashira Reactions[OL]. [11 March 2011] http://en.paper.edu.cn/en_releasepaper/content/4411458

FDU-15 mesopolymer-supported N-heterocyclic carbene was developed by chemical functionalization approach. It was further used as a phosphine-free ligand for designing novel heterogeneous palladium catalyst that was highly active for Sonogashira reactions of aryl halides and terminal alkynes. The FDU-15-NHC-palladium (II) complex catalyst proved robust, showing no significant loss of activity after being recycled and reused for ten times.

Keywords:Physical chemistry; Mesoporous polymers; N-heterocyclic carbene; Sonogashira reactions; Palladium catalyst; Immobilization

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