Abstract
Addition of isonitriles to [(OC)3Fe(μ-CO)(μ-Ph2PNHPPh2)Pt(PPh3)] 1 produces the μ-isonitrile complexes [(OC)3Fe(μ-C=NR)(μ-Ph2PNHPPh2)Pt(PPh3)] 2, which are transformed to the μ-aminocarbyne complexes [(OC)3Fe{μ-CN(El)R}(μ-Ph2PNHPPh2)Pt(PPh3)]+;3 and 4 by electrophilic addition of [El][BF4] or [El][OSO2CF3] (El = H, Me). The dppa backbone of 4 is readily deprotonated by KOSiMe3 to yield the very stable zwitterionic aminocarbyne complex [(OC)3Fe{μ-CN(Me)2,6-xylyl}(μ-Ph2PNPPh2)Pt(PPh3)] 5.
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