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

Journal of the American Chemical Society, ISSN: 0002-7863, Vol: 131, Issue: 37, Page: 13531-13537
2009
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Article Description

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.

Bibliographic Details

Aktas, Halil; Mulder, Jos; de Kanter, Frans J J; Slootweg, J Chris; Schakel, Marius; Ehlers, Andreas W; Lutz, Martin; Spek, Anthony L; Lammertsma, Koop

American Chemical Society (ACS)

Chemical Engineering; Chemistry; Biochemistry, Genetics and Molecular Biology

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