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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 37, 2007 - Issue 2
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Original Articles

Preparation of a PEG‐Supported Ligand as Highly Stable Palladium Catalyst and Its Efficient Recyclability in the Heck Reaction

Hua‐Xing Zhang Key Laboratory for Molecular Design and Nutrition Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, ChinaCorrespondence[email protected]
,
Cheng‐Cai Luo Key Laboratory for Molecular Design and Nutrition Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, China
,
Ting Jin Key Laboratory for Molecular Design and Nutrition Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, China
&
Xi‐Ping Luo Zhejiang Forestry University, Linan, China
Pages 191-197 | Received 11 Oct 2006, Published online: 25 Jul 2007
 
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Abstract

A reagent of NNN ligands immobilized on PEG has been prepared and coordinated to Pd(OAc)2 to provide a highly efficient and recyclable catalysis system for the Heck reaction. The reaction works very well with this catalysis system, and no palladium black is observed during the reaction. The reagent and palladium can be recycled easily and do not show significant activity decay after being reused 10 times.

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