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Dinuclear sulfide–thiolate complexes [Pt2(μ-S)(μ-SR)(PPh3)4] as cationic metalloligands |
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| Authors: | William Henderson Brian K. Nicholson Sarah M. Devoy T.S. Andy Hor |
| Affiliation: | aDepartment of Chemistry, University of Waikato, Private Bag 3105, Hamilton, New Zealand bDepartment of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore |
| Abstract: | The cationic monoalkylated derivatives of the well-known metalloligand [Pt2(μ-S)2(PPh3)4], viz. [Pt2(μ-S)(μ-SR)(PPh3)4]+ (R = n-Bu, CH2Ph) are themselves able to act as metalloligands towards the Ph3PAu+ and R′Hg+ (R′ = Ph or ferrocenyl) fragments, by reaction with Ph3PAuCl or R′HgCl, respectively. The resulting dicationic products [Pt2(μ-SR)(μ-SAuPPh3)(PPh3)4]2+ and [Pt2(μ-SR)(μ-SHgR′)(PPh3)4]2+ are readily isolated as their hexafluorophosphate salts, and have been fully characterised by spectroscopic techniques and an X-ray structure determination on [Pt2(μ-SR)(μ-SHgFc)(PPh3)4](PF6)2. |
| Keywords: | Platinum complexes Thiolate complexes Sulfide complexes Crystal structure Electrospray mass spectrometry Metalloligand |
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