Synthesis and Characterization of the Allenylidene Compounds [Ir(diene)(CCCPh2)(PR3)]BF4 (diene = 1,5-Cyclooctadiene, PR3 = PCy3; diene = Tetrafluorobenzobarrelene, PR3 = PCy3, PiPr3): The First Mixed-Ligand Complexes of the Type [Ir(diene)L(PR3)]+ Containing an Unsaturated η1-Carbon Ligand | Publicación