Iridium complexes with monodentate N-heterocyclic carbene ligands
Gellért Sipos,Reto Dorta +1 more
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TL;DR: In this article, a comprehensive overview on synthetic methods available to access NHC-Ir compounds, the stoichiometric activity of the resulting complexes as well as their use in catalysis and other applications is given in the following pages.
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About: This article is published in Coordination Chemistry Reviews. The article was published on 01 Dec 2017. and is currently open access.
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Citations
N-Heterocyclic Carbene Complexes in C–H Activation Reactions
TL;DR: Through discussing the role of NHC ligands in promoting challenging C-H activation methods, the reader is provided with an overview of this important area and its crucial role in forging carbon-carbon and carbon-heteroatom bonds by directly engaging ubiquitous C- H bonds.
520
Cationic iridium complexes bearing imidazol-2-ylidene ligands as transfer hydrogenation catalysts
Anna C. Hillier,Hon Man Lee,Steven P. Nolan +2 more
- 01 Jan 2001
TL;DR: In this article, the synthesis and characterization of the PF6 and diazabutadienes complexes were reported. But their activity was not compared with that of the related cationic iridium(I) species.
147
Recent progress in phosphorescent Ir(III) complexes for nondoped organic light-emitting diodes
TL;DR: In this paper, the authors provide an update on recent advances in the development of Ir(III) complexes and their applications in nondoped PHOLEDs fabricated by both vacuum deposition and solution-processed approaches.
89
A simple 1H NMR method for determining the σ-donor properties of N-heterocyclic carbenes
TL;DR: In this article, the σ-donor properties of NHC ligands were measured using a simple 1H NMR measurement of ligand precursors to determine the selectivity and reactivity in transition-metal-catalysis.
85
BIAN-NHC Ligands in Transition-Metal-Catalysis: A Perfect Union of Sterically Encumbered, Electronically Tunable N-Heterocyclic Carbenes?
TL;DR: BIAN-NHC ligands take advantage of the stronger σσ-donation, lower lying LUMO orbitals, the presence of an extended ππ-system, and the rigid backbone that pushes the N-wingtip substituents closer to the metal center by buttressing effect, resulting in a significantly improved control of the catalytic center and enhanced air-stability of BIAN- NHC-metal complexes at low oxidation state.
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References
N-Heterocyclic carbene functionalized iridium phosphinidene complex [Cp*(NHC)Ir=PMes*]: comparison of phosphinidene, imido, and carbene complexes.
Arjan T. Termaten,Marius Schakel,Andreas W. Ehlers,Martin Lutz,Anthony L. Spek,Koop Lammertsma +5 more
TL;DR: DFT calculations on the N-heterocyclic carbene containing parent complexes [Cp(NHC)Ir=E] (E=PH, NH, CH(2)) show that the NHC ligand acts as good sigma-donor/weak pi-acceptor ligand and forms strong Ir-C(N HC) single bonds.
Synthesis, structure, and reactions of IrCl3(CCl2)(PPh3)2, A compound with an iridium-carbon double bond (LnIrCCl2)
TL;DR: In this paper, an octahedral complex with transphosphine ligands and a short IrC distance to the CCl2 ligand of 1.872(7) A, compatible with an iridium-carbon double bond was derived.
N-Heterocyclic Carbene Functionalized Group 7-9 Transition Metal Phosphinidene Complexes
TL;DR: The effect of N-heterocyclic carbene (NHC) functionalized phosphinidene complexes on the electronic properties of the NHC-functionalized primary phosphine complexes was studied by density functional theory as mentioned in this paper.
Labile N-Heterocyclic Carbene Complexes of Iridium
TL;DR: In this paper, the facile substitution of the benzene ligand can be exploited in the preparation of many other NHC Ir(III) dihydrides, for which the solvent complexes [IrH2(L)3(IMes)]PF6 (L = acetone-d6, 4; NCMe, 5), the NHC-phosphine compound [Ir H2(NCMe)2(IMs)(PiPr3)]BF4 (6), and the water-soluble analogue [Ir
Disubstituted imidazolium-2-carboxylates as efficient precursors to N-heterocyclic carbene complexes of Rh, Ru, Ir, and Pd.
TL;DR: N,N'-Disubstituted imidazolium-2-carboxylates are efficient precursors to NHC complexes of Rh, Ir, Pd, and Ru.