Abstract
The cluster anion [Co3(CO)3(µ2‐CO)3(µ3‐C8H8)]– (2) reacts with fragments [(ring)M]+ and [(cod)M]+ to give the Co3M clusters (ring)MCo3(CO)3(µ3‐CO)3(µ3‐C8H8) {(ring)M = CpFe (3a), Cp*Fe (3b), CpRu (4a), (C4Me4)Co (5)} and (cod)MCo3(CO)3(µ3‐CO)3(µ3‐C8H8) {M = Rh (6), Ir (7)}, respectively. However, 2 does not form stable complexes with [(Ph3P)M]+ species (M = Cu, Ag, Au), which was explained on the basis of DFT calculations by the inefficient overlap between the cluster and fragment orbitals. The structures of 3b and 5 were determined by X‐ray diffraction.
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