C-C Coupling Reactions of Aryl Bromides and Arylsiloxanes in Water Catalyzed by Palladium Complexes of Phosphanes Modified with Crown Ethers

Ávaro Gordillo, Ernesto de Jesús,* and Carmen López-Mardomingo

*Departamento de Química Orgánica and Departamento de Química Inorgánica, Universidad de Alcalá, 28871 Alcalá de Henares (Madrid), Spain, Email: ernesto.dejesusuah.es

Á. Gordillo, E. de Jesús, C. López-Mardomingo, Org. Lett., 2006, 8, 3517-3520.

DOI: 10.1021/ol061221y

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Abstract

Complexes of PdCl₂ with crown-ether-containing triarylphosphanes catalyze the formation of biaryls from arylsiloxanes and aryl bromides with high yields in water as solvent and under air.

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Key Words

Hiyama Coupling, Heterobiaryls, Green Chemistry

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ID: J54-Y2006-2370