Diastereoselectivity and Regioselectivity in the Intramolecular Phosphine Attack on a Coordinated Alkyne Ligand in Co2(CO)4(bmf)(.mu.-PhC.tplbond.CH). Formation of the Chiral Hydrocarbyl Complex Co2(CO)4[.mu.-.eta.2,.eta.2,.eta.1,.eta.1-PhC:C(H)PPh2C:C(PPh2)C(O)OCH(OMe)] - Simon Bott (Organometallics, 1995)