Formation of heterobinuclear Pt–Au complexes by chelate ring-opening of cis-[Pt(κ²-C₆R₄PPh₂)₂] (R = H, F)
Mixed metal complexes of the type [Pt(k² -2-C₆R₄PPh₂) (PPh₃) (m-2-C₆R₄PPh₂)AuCl] (R ¼ H, F) can be prepared by treatment of cis-[Pt(k² -C₆R₄PPh₂)₂] with [AuCl(PPh₃)]. Under similar reaction conditions, the trans isomer of [Pt(k² -C₆R₄PPh₂)₂] is unreactive. Computational studies have been performed to provide insights into the reasons for this difference in reactivity. Density Functional Theory (DFT) calculations show that formation of an AuCl adduct of [Pt(k² -2-C₆R₄PPh₂)₂] is favoured...[Show more]
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|Source:||Journal of Organometallic Chemistry|
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