"Preparation and reactions of Hydroxo-enyl palladium(II) derivatives” J.Organometallic Chemistry ,() -

Some new hydroxo-enyl derivatives of palladium(II) of the type [Pd(C7H8 · OH)Br]2, and [Pd(diene · OH)(LL)]PF6 (C7H8 = norbornadiene, diene = norbornadiene or 1,5-cyclooctadiene; LL = 2,2′-bipyridyl or 1,10-phenanthroline) have been made by nucleophilic attack of H2O on the diene coordinated to the metal in dipositively charged complexes. Evidence is presented to show that the hydroxonorbornenyl-1,2-bis(diphenylphosphino)ethane palladium(II) is involved as an intermediate, in an unusual example of oxidation of the alcoholic group through a palladium(II)-mediated intramolecular hydrogen transfer.