A comparison between the reaction of P2Ph4 with [{Co2(CO)6}2(μ-η2:μ-η2-HOCH2CCCCCH2OH)] and the reaction of [Co2(μ-PPh2)2(CO)6] with HOCH2CCCCCH2OH

Rh-catalyzed P–P bond activation

“…The presence of the g 2 -P 2 Ph 4 to a single metal center in 2 appears to be unique in that literature precedent demonstrates the propensity of P 2 Ph 4 to bind in a monodentate fashion, or to bridge two metal centers. [19][20][21][22][23][24][25][26][27][28][29] In addition, the related complex Ni(NacNac)(Ph 2 PH) 17 binds only one phosphine ligand yielding the three coordinate species, presumably a result of the slightly larger atomic radius of Rh as well as the aforementioned geometry distortions which accommodate the g 2 -P 2 Ph 4 .…”