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1. Efficient Route to 1,3-Di-N-imidazolylbenzene. A Comparison of Monodentate vs Bidentate Carbenes in Pd-Catalyzed Cross Coupling

Author

Vargas, V. C., Rubio, R. J., Hollis, T. K., and Salcido, M. E.

Abstract

A new bis(carbene) ligand architecture has been developed and was evaluated in the Suzuki−Miyaura cross-coupling reaction of various aryl halides with phenylboronic acid. Several new bis(carbene) ligands were tested in different carbene:Pd ratios. Pd(OAc)2 and Pd2(dba)3 were compared for efficiency as a Pd source. It was found that the Pd(OAc)2/bis(carbene) system formed a catalyst for the activation of chlorobenzene.

Published
2003

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