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New N-Heterocyclic Carbene Palladium Complex/Ionic Liquid Matrix Immobilized on Silica: Application as Recoverable Catalyst for the Heck Reaction

Babak Karimi* and Dieter Enders

*Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), P.O. Box 45195-1159, Gava Zang, Zanjan, Iran, Institute for Fundamental Research (IPM), Farmanieh, P.O. Box 19395-5531, Tehran, Iran, Email:

B. Karimi, D. Enders, Org. Lett., 2006, 8, 1237-1240.

DOI: 10.1021/ol060129z (free Supporting Information)


A covalently anchored N-heterocyclic carbene palladium/ionic liquid matrix on a silica surface gave a highly efficient catalyst for the Heck reaction of various haloarenes. The catalyst shows high thermal stability and could be recovered and reused for four reaction cycles.

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Key Words

Heck Reaction

ID: J54-Y2006-3720