(1-(Dimethylamino)-2-(diphenylphosphino)ethane)(η3-1-arylallyl)palladium Tetrafluoroborates. Preparation, Isomeric Equilibria, and Correlations of NMR Chemical Shifts with Hammett Substituent Constants

(1-(Dimethylamino)-2-(diphenylphosphino)ethane)(η3-1-arylallyl)palladium Tetrafluoroborates. Preparation, Isomeric Equilibria, and Correlations of NMR Chemical Shifts with Hammett Substituent Constants