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Title: Palladium-catalyzed decarboxylative arylation of C-H bonds by aryl acylperoxides. Author: Yu WY, Sit WN, Zhou Z, Chan AS. Journal: Org Lett; 2009 Aug 06; 11(15):3174-7. PubMed ID: 19583200. Abstract: A Pd(OAc)(2)-catalyzed protocol for decarboxylative arylation of aromatic C-H bond was developed using aryl acylperoxides as inexpensive aryl sources. Substrates containing pyridyl, oxime, and oxazoline groups undergo effectively ortho-selective C-H arylation with excellent functional group tolerance. This arylation should begin by directing-group-assisted cyclopalladation, followed by the reaction of the palladacycle with aryl radicals generated in situ by thermal decomposition of the peroxides.[Abstract] [Full Text] [Related] [New Search]