Fig. 3: Synthesis of QPrS 1a-1b and EPrS 1c–1f from 1-mesitylphosphirane.

The crude isolated yields were given.a TfO− anion omitted for clarity.b Crude yield estimated (2 steps, from Ar-CH2-OH).
The crude isolated yields were given.a TfO− anion omitted for clarity.b Crude yield estimated (2 steps, from Ar-CH2-OH).