10.1021/ol015813m.s001 Klemens Högenauer Klemens Högenauer Johann Mulzer Johann Mulzer A Novel Palladium-Catalyzed Intramolecular Redox Reaction American Chemical Society 2001 intramolecular arylpalladium enolate series acyclic substrates Redox silyl enol ethers mechanism palladium acetate redox scope type HBr oxidation bromobenzyl formation enone limitation Intramolecular 2001-04-05 00:00:00 Journal contribution https://acs.figshare.com/articles/journal_contribution/A_Novel_Palladium-Catalyzed_Intramolecular_Redox_Reaction/3739020 A new type of palladium-catalyzed redox reaction is described, forming enones from 2-(2-bromobenzyl)-ketones with an overall loss of HBr. The scope and limitations of the reaction are demonstrated by a series of cyclic and acyclic substrates. The mechanism most probably involves the formation of an intramolecular arylpalladium enolate and is related to the oxidation of silyl enol ethers with palladium acetate.