4.4 Article

N-heterocyclic carbene-palladium complex on polystyrene resin surface as polymer-supported catalyst and its application in Suzuki cross-coupling reaction

Journal

TETRAHEDRON LETTERS
Volume 45, Issue 30, Pages 5827-5831

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.06.006

Keywords

polymer-supported N-heterocyclic carbene (NHC); heterogeneous catalysis; palladium (Pd); Suzuki cross-coupling; imidazolium; suspension polymerization

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A poly(imidazoliummethyl styrene)-surface grafted-polystyrene resin was prepared by suspension polymerization. This was used as the polymer-supported carbene precursor for the palladium complex, which efficiently catalyzed the Suzuki cross-coupling of aryl halides and phenylboronic acid. (C) 2004 Elsevier Ltd. All rights reserved.

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