Clean oxidations by iodobenzene dichloride: Platinum(IV) complexes containing triphenylphosphine

Add time:07/15/2019    Source:sciencedirect.com

Neutral complexes with generic formula [PtCl2(PPh3)(L)] were efficiently oxidized to [PtCl4(PPh3)(L)] (L = dibenzylamine, p-toluidine, diethanolamine, pyridine and acetonitrile) using PhICl2 The anionic complex [TBA][PtCl3(PPh3)] (TBA = Tetrabutylammonium) was also oxidized to [TBA][PtCl5(PPh3)] with this method. The obtained products were fully characterized by 1H, 13C, 31P and 195Pt NMR, IR-ATR spectroscopy, elemental analysis and, for complexes cis-([PtCl4(PPh3)(p-toluidine)]·CHCl3 and trans-[PtCl4(PPh3)(NCCH3)]·CH3CN, also by single crystal X-ray diffraction.

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