Cade, IanColebatch, AnnieHill, AnthonyWillis, Anthony2015-12-100276-7333http://hdl.handle.net/1885/63465The propargylic salt [Ph3PCH2C≡CH]PF 6 ([1]PF6) undergoes a facile rearrangement to the allenyl isomer [Ph3PCH=C=CH2]PF6 ([2]PF6) upon coordination to rhodium and iridium. The η2- allenylphosphonium salts [IrX(η2-CH2=C=CHPPh 3)(CO)(PPh3)2]PF6 (X = Cl,Keywords: Iridium; Iridium compounds; Isomers; Rhodium; X ray crystallography; Allenyl; X-ray crystallographic analysis; Rhodium compounds201410.1021/om500450e2019-08-04