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Amphiphilic polymer supported N-heterocyclic carbene palladium complex for Suzuki cross-coupling reaction in water
- Authors
- Kim, Jung-Woo; Kim, Jong-Ho; Lee, Dong-Ho; Lee, Yoon-Sik
- Issue Date
- Jul-2006
- Publisher
- Elsevier BV
- Keywords
- N-heterocyclic carbene (NHC); Suzuki reactions; aqueous phase reaction; palladium; heterogeneous catalyst
- Citation
- Tetrahedron Letters, v.47, no.27, pp.4745 - 4748
- Indexed
- SCIE
SCOPUS
- Journal Title
- Tetrahedron Letters
- Volume
- 47
- Number
- 27
- Start Page
- 4745
- End Page
- 4748
- ISSN
- 0040-4039
- Abstract
- We synthesized amphiphilic polyiner-supported N-heterocyclic carbene (NHC) precursor resins by loading polyethylene glycol (PEG) containing imidazolium groups on Merrifield resin. These PS-PEG-NHC precursor resins were compatible with water and readily formed a stable complex with palladium. These PS-PEG-NHC-Pd catalysts showed excellent catalytic activity for Suzuki cross-coupling reactions of various aryl iodides and bromides with phenylboronic acid in water than the previously described polystyrene based catalysts. In addition, the PS-PEG-NHC-Pd Catalysts Continued to provide excellent catalytic activity in Suzuki cross-coupling reactions after five consecutive recycles. (c) 2006 Elsevier Ltd. All rights reserved.
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Related Researcher
- Kim, Jong-Ho
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)