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Palladium-Catalyzed Direct Arylation of Polysubstituted Benzofurans

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journal contribution
posted on 2012-02-03, 00:00 authored by Amandine Carrër, Dimitri Brinet, Jean-Claude Florent, Patricia Rousselle, Emmanuel Bertounesque
An efficient access to 2-substituted 3-arylbenzofurans through a palladium-catalyzed C3 direct arylation of 2-substituted benzofurans with aryl bromides is described. The scope and limitation of this reaction was studied. The method tolerates a variety of functional groups on the aryl halide and has been successfully extended to polysubstituted benzofurans to obtain the corresponding 3-arylbenzofurans with good to excellent yields.

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