Iridium phosphinidene complexes: a comparison with iridium imido complexes in their reaction with isocyanides

H. Aktas, J.M. Mulder, F.J.J. de Kanter, J.C. Slootweg, M. Schakel, A.W. Ehlers, M. Lutz, A.L Spek, K. Lammertsma

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

18-Electron nucleophilic, Schrock-type phosphinidene complexes 3 [Cp*(Xy-N≡C)Ir=PAr] (Ar = Mes*, Dmp, Mes) are capable of unprecedented [1 + 2]-cycloadditions with 1 equiv of isocyanide RNC (R = Xy, Ph) to give novel iridaphosphirane complexes [Cp*(Xy-N≡C)IrPArC=NR]. Their structures were ascertained by X-ray diffraction. Density functional theory investigations on model structures revealed that the iridaphosphirane complexes are formed from the addition of the isocyanide to 16-electron species [Cp*Ir=PAr] forming first complex 3 that subsequently reacts with another isocyanide to give the products following a different pathway than its nitrogen analogue [Cp*Ir≡Nt-Bu] 1. © 2009 American Chemical Society.
Original languageEnglish
Pages (from-to)13531-7
JournalJournal of the American Chemical Society
Volume131
Issue number37
DOIs
Publication statusPublished - 2009

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