Iminophosphorane

Tetraphenylphosphanimine, an example of a phosphanimine.

Iminophosphorane (or, more correctly, phosphanimine) is a kind of organophosphorus compound with the formula R3PNR'. Like the corresponding phosphine oxides and Wittig reagents, phosphanimines are ylides. Their bonding is described by two resonance structures.[1]

Resonance structures for iminophosphoranes.
  1. ^ Zhu, Lizhao; Kinjo, Rei (2023). "Reactions of main group compounds with azides forming organic nitrogen-containing species". Chemical Society Reviews. 52 (16): 5563–5606. doi:10.1039/D3CS00290J. hdl:10356/174235. PMID 37519098.