Abstract

Several cationic heterometallic rhodium complexes have been obtained by using the complexes ImAuPPh 3 or (az) 2Pt(dpe) (az  imidazolate (Im) or pyrazolate (Pz) anions) as ligands. Attempts to prepare rhodium(I)—gold(I) derivatives containing pyrazolate-bridging ligands proved unsuccessful, rearrangements giving the complexes [Y 2Rh(μ-Pz)] 2 and [Ph 3PAu(μ-Pz)AuPPh 3 2]ClO 4, [Au(PPh 3)2]ClO 4 or AuClPPh 3 as end-products.

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