Congested ferrocenyl polyphosphanes bearing electron-donating or electron-withdrawing phosphanyl groups: assessment of metallocene conformation from NMR spin couplings and use in palladium-catalyzed chloroarenes activation. - Mom S; Beaupérin M; Roy D; Royer S; Amardeil R; Cattey H; Doucet H; Hierso JC (Inorganic chemistry, 2011)