MIGRATION OF SNPH3 FROM METAL TO CP IN A COBALT CYCLOPENTADIENYL COMPLEX - PREPARATION OF [CO(C5H3(SNPH3)2)(CO)2] UNDER MILD CONDITIONS

The complex [Co{C5H3(SnPh3)2}(CO)2] is obtained in good yield from [Co (Cp)(CO)2] and SnHPh3 in hexane under carbon monoxide at ambient tempe rature and pressure: a monosubstituted product can also be isolated. A n intermediate, formulated as [Co(Cp){(mu-H)SnPh3}(CO)], is involved i n the reaction.