“Iridium(I)-Hydroxides: Powerful Synthons for Bond Activation” Truscott, B.J. Nelson, D.J., Lujan, C., Slawin, A.M.Z. and Nolan, S.P.Chem. Eur. J., 2013, 7904-7916.

Byron Truscott, David James Nelson, Cristina Lujan Barroso, Alexandra Martha Zoya Slawin, Steven Patrick Nolan

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

A family of iridium(I) hydroxides of the form [Ir(cod)-(NHC)(OH)] (cod=1,5-cyclooctadiene, NHC=N-heterocyclic carbene) is reported. Single-crystal X-ray analyses and computational methods were used to explore the structural characteristics and steric properties of these new complexes. The model complex [Ir(cod)(IiPr)(OH)] (IiPr=1,3-(diisopropyl)imidazol-2-ylidene) undergoes reaction with a wide variety of substrates including boronic acids and silicon compounds. In addition, OH, N H and CH bond activation was achieved with alcohols, carboxylic acids, amines and various sp-, sp2- and sp3-hybridised carbon centres, giving access to a wide range of new IrI complexes. These studies have allowed us to explore the exciting reactivity of this motif, revealing a versatile and useful synthon capable of activating important chemical bonds under mild (typically room temperature) conditions. No additives were required and, in the case of XH bond activation, water was the only waste product, rendering this an atom efficient procedure for
bond activation. This system has great potential for the construction of new
catalytic cycles for organic synthesis and small-molecule activation.
Original languageEnglish
Pages (from-to)7904-7916
Number of pages13
JournalChemistry - A European Journal
Volume19
Early online date24 Apr 2013
DOIs
Publication statusPublished - 2013

Keywords

  • bond activation · density functional calculations · iridium · N-heterocyclic carbene · synthetic methods

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