Access to a Chiral Phosphine–NHC Palladium(II) Complex via the Asymmetric Hydrophosphination of Achiral Vinyl Azoles

Enantioenriched phosphine azoles were synthesized in high yields via palladium-catalyzed asymmetric hydrophosphination with excellent yields and enantioselectivities under mild reaction conditions. One of the phosphine azoles was methylated and complexed to palladium­(II) cleanly to give a chiral phosphine–NHC palladium­(II) complex with excellent overall conversion.