Synthesis, characterisation and reactivity of the first diphosphaalkyne†
Abstract
The first diphosphaalkyne, PCC(C6H4)3CC
P, has been synthesised and structurally characterised; its reaction with [Pt(C2H4)(PPh3)2] affords the complex, [{(PPh3)2Pt}2{μ-η2:η2-P
CC(C6H4)3CC
P}], whilst its treatment with [RuHCl(CO)(PPh3)3] yields the bis-ruthenium phosphaalkenyl complex, [{(PPh3)2(CO)ClRu}2{μ-P
C(H)C(C6H4)3CC(H)
P}].