N → P intramolecular stabilization of phosphenium ions and preparation of hypercoordinated phosphanes with unusual properties

Article abstract of DOI:10.1016/S0022-328X(96)06659-4

The reaction of ArLi 1 (Ar = [C₆H₃(CH₂NMe₂)₂-2,6]) with Ph₂PCl affords the phosphane 2 which, on treatment with HCl, gives rise to the monoprotonated ammonium salt 3, even in the presence o