SYNTHESIS OF AN OSMIUM(II) COMPLEX WITH THE PIPh LIGAND AND A POSSIBLE TERMINAL PHENYLPHOSPHINIDENE COMPLEX INTERMEDIATE FROM IODIDE ABSTRACTION

Article abstract of DOI:10.1016/0022-328X(84)80514-8

Addition of I2 to Os(PHPh)Cl(CO)2(PPh3)2 gives ⁺ and deprotonation of this cation affords Os(PIPh)Cl(CO)2(PPh3)2.The iodophenylphosphido complex reacts with AgSbF6 in THF/MeOH to give (CO)2(PPh3)2>SbF6 suggesting the intermediacy of a phenylphosphinidene complex ⁺.