Preparation and NMR Spectroscopy of (1,2-Bis(diphenylphosphino)ethane)(η3-1,3-diarylallyl)- palladium Tetrafluoroborates. Correlation of Chemical Shifts with Hammett Substituent Constants and with the Regioselectivity of Nucleophilic Attack

Preparation and NMR Spectroscopy of (1,2-Bis(diphenylphosphino)ethane)(η3-1,3-diarylallyl)- palladium Tetrafluoroborates. Correlation of Chemical Shifts with Hammett Substituent Constants and with the Regioselectivity of Nucleophilic Attack