Dimethylaluminium iminophosphoranylenamides and iminophosphoranylanilides: Synthesis, characterisation, and their controlled ring-opening polymerisation of ε-caprolactone†
Abstract
A series of aluminium iminophosphoranylenamide complexes, [Me2Al{N(Ar)C(Ph)CHP(Ph2)
N-Ar1}] (Ar = Ph, Ar1 = p-MeC6H4 (9); Ar = Ph, Ar1 = o-ClC6H4 (10); Ar = Ph, Ar1 = o-FC6H4 (11); Ar = p-MeC6H4, Ar1 = o-FC6H4 (12)), were synthesised by the reactions of ArN
C(Ph)CH2P(Ph2)
NAr1 (5–8) with
P(Ph2)}C6H4NHC(Ph)
CHP(Ph2)
NAr (Ar = p-MeC6H4, 13), and