Abstract
The neutral mixed-metal cluster [PtRu5C(CO)16] was reduced by KOH in methanol to give [Ph4P]2[PtRu5C(CO)15] 1 in 84% yield. Reaction of 1 with Au(PPh3)Cl afforded the gold derivative [PtRu5C(CO)15(AuPPh3)2] 2. Other reactions of 1 with [Pt(COD)Cl2] and [Pt(CO)(PPh3)Cl2] in the presence of silica yielded the new mixed-metal cluster compounds [Pt2Ru4C(CO)13(COD)] 3, [Ph4P]2[Pt3Ru10C2(CO)32] 4, [Pt4Ru5C(CO)16(PPh3)3] 5, [PtRu4C(CO)13(PPh3)] 6 and [Pt2Ru4C(CO)14(PPh3)] 7. Compounds 1–7 were characterised spectroscopically and the molecular and crystal structures of compound 1–5 were determined by single crystal X-ray crystallography.
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