The synthesis and characterisation of the cluster dianion [PtRu_5C(CO)_(15)]~(2-) and its reactions with Au and Pt cationic fragments produced in situ

摘要

The neutral mixed-metal cluster [PtRu_5C(CO)_(16)] was reduced by KOH in methanol to give [Ph_4P]_2[PtRu_5C(CO)_(15)] 1 in 84% yield. Reaction of 1 with Au(PPh_3)Cl afforded the gold derivative [PtRu_5C(CO)_(15)(AuPPh_3)_2]2. Other reactions of 1 with [Pt(COD)Cl_2] and [Pt(CO)(PPh_3)Cl_2] in the presence of silica yielded the new mixed-metal cluster compounds [Pt_2Ru_4C(CO)_(13)(COD)]3, [Ph_4P]_2[Pt_3Ru_(10)C_2(CO)_(32)]4, [Pt_4Ru_5C(CO)_(16)(PPh_3)_3]5, [PtRu_4C(CO)_(13)(PPh_3)]6 structures of compound 1-5 were determined by single crystal X-ray crystallography.