The isocyanide complexes [Pt(Cl)(C≡NR)(PPh₃)₂]⁺BF⁻₄ (R = CH2CO2Et, CH2Ph, C6H11, CH2SO2C6H4‐p‐Me) react with hexafluoroacetone‐sesquihydrate, (F3C)2CO·1,5 H2O, in the presence of triethylamine to give the carboxamido (carbamoyl) complexes [Pt(Cl){C(=O)NHR}(PPh3)2]. Under the same conditions the isocyanoamine complexes trans‐[Pt(Cl)(C≡N-NR₂)(PPh₃)₂]⁺BF⁻₄(R = Et, Prⁱ, 2R = CH(Me)(CH₂)₃C H(Me)) are transformed into the isocyanato complex trans‐[Pt(Cl)(NCO)(PPh3)2].
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Fehlhammer et al. (2008) studied this question.
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