title: Palladium-catalyzed intramolecular direct arylation of benzoic acids by tandem decarboxylation/C-H activation.
abstract: A novel protocol for the palladium-catalyzed intramolecular direct arylation of benzoic acids is reported, which combines decarboxylation and C-H activation into one efficient process. With the optimized catalyst system of palladium trifluoroacetate, silver carbonate, and the proper solvent mixture (5% DMSO/dioxane), dibenzofuran derivatives are formed in excellent yield and selectivity.
authors.affiliation: Organisch-Chemisches Institut der Westfälischen Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany.
authors.forename: Congyang
authors.initials: C
authors.lastname: Wang
authors.forename: Isabel
authors.initials: I
authors.lastname: Piel
authors.forename: Frank
authors.initials: F
authors.lastname: Glorius