Carbene ligands
N-heterocyclic carbene ligands for nickel ethylene polymerization catalysts: toward the incorporation of polar comonomers
... imine/carbene ligands is not an entirely novel avenue of ...bidentate ligands featuring an NHC paired with a neutral two-electron ...Ag carbene followed by carbene transfer to an ...
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Application of palladium complexes bearing acyclic amino(hydrazido)carbene ligands as catalysts for copper-free Sonogashira cross-coupling
... Our studies are partitioned in three parts. In the first, we expand the series of palladium complexes with amino(hydrazido)carbene ligands as unexplored type of palladium-ADC species. In the second, we ...
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Au I Cl-bound N-heterocyclic carbene ligands form MII4(LAuCl) 6 integrally gilded cages
... ments in which only A or D were used in the reduction of Au I (ESI Sections 3.3 and 3.4,† respectively) revealed similarly rapid rates of formation and small nanoparticle morphologies in the pres- ence of either Cd II or ...
6
Homogeneous gold catalysts : development of applications for gold(I) catalysts bearing N heterocyclic carbene ligands
... A breakthrough in terms of efficiency was made when Beller et al. realized in an additional study the importance of adding IMes•HCl, the precursor for the carbene ligand to the reaction mixture. Extensive ...
233
Transition Metal Compounds of Pyridine-Amide-Functionalized Carbene Ligands: Synthesis, Structure, and Electrocatalytic Properties in Proton Reduction
... We report their redox properties and their electro- catalytic activity for proton reduction in dimethylformamide, with the aim to discuss how carbene backbones and pyridyl groups affect [r] ...
11
Preclinical anti-cancer activity and multiple mechanisms of action of a cationic silver complex bearing N-heterocyclic carbene ligands
... N-heterocyclic carbene (NHC) ligands have emerged as an interesting class of organometallic compounds that have anti-microbial and anti-cancer activity ...
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Synthesis and reactivity studies of mono and diaurated species bearing N heterocyclic carbene ligands
... NHC ligands on [Au(NHC)Cl] complexes reported to ...NHC ligands such as IPr and SIPr under the appropriate reaction conditions, no general claims can be done regarding whether bigger/bulkier NHC ...
167
Accessing Sodium Ferrate complexes containing neutral and anionic N-heterocyclic carbene ligands : structural, synthetic, and magnetic insights
... NHC ligands, which introduce a new interaction with the metal d orbitals due to π donating character of the ...of ligands as observed here, has been previously predicted ...
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Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation
... pincer ligands, 32 and rhodium analogues have been tested 33 NHCs have still proven to reflect the best ligand class and these have been modified to work in aqueous ...
10
Ruthenium-Based Olefin Metathesis Catalysts Coordinated with NHeterocyclic Carbene Ligands: Synthesis and Applications
... N-heterocyclic carbene technology to olefin metathesis catalysis is the marriage of two rapidly developing fields in organometallic and organic ...versatile ligands are widely applied as phosphine ...
167
Harnessing asymmetric N-heterocyclic carbene ligands to optimise SABRE hyperpolarisation
... pincer ligands, 32 and rhodium analogues have been tested 33 NHCs have still proven to reflect the best ligand class and they have been modified to work in aqueous ...
10
Coinage Metal Silylphosphido Complexes Stabilized by N-Heterocyclic Carbene Ligands
... The demonstrated ability of N-heterocyclic carbenes to stabilize polynuclear group 11 clusters and nanoparticles prompted us to synthesize silylated NHC-metal precursors for the preparation of metal-phosphide ...
137
A hybrid bidentate and tridentate ruthenium(II) complex incorporating triazine and polypyridine carbene ligands
... triazine ligands also improve the photophysical properties of the complexes through the stabi- lization of ligand-based orbitals relative to metal orbitals, with a consequential stabilization of 3 MLCT emitting ...
13
Synthesis and Characterisation of N-Heterocyclic Carbene Adducts of PI Cations
... the carbene ligands within the molecule (and with the C-P-C ...tetramethyl carbene is a smaller, less sterically-bulky carbene which affords a more planar structure and thus, greater ...
106
The inverse trans influence in tetravalent lanthanide and actinide bis(carbene) complexes
... the carbene ligands in 3Ce, 3U and 3Th clearly exhibit polarized M ¼ C bonds, the ITI is predominantly dependent on the charge and polarizing nature of the coordinated ligands 33 ...
11
Synthetic, Structural and Thermochemical Studies of N-Heterocyclic Carbene (NHC) and Tertiary Phosphine Ligands in the Ni(CO)2(L)x (L-PR3, NHC) Systems
... imidazol-2-ylidene carbene ligands have better electron donating properties than phosphine ...these ligands is affected by the steric/electronic property of the R group at the 1- and 3- positions of ...
77
Bidentate N Heterocyclic carbene complexes of group 13 trihydrides and trihalides
... coordination number greater than four, even in the presence of bis-phosphine ligands. These observations can be explained by the highly nucleophilic nature of the carbene ligands in these complexes, ...
5
Examination of catalytically relevant palladium `N` Heterocyclic carbene complexes
... 6 However the TEP method is lacking in several ways: Firstly it requires the ability to produce a suitable metal complex containing a CO ligand trans to the NHC. Secondly the solvent of measurement can greatly affect the ...
246
Synthesis and characterisation of an N-heterocyclic carbene with spatially-defined steric impact
... N-heterocyclic carbene (“IPaul”) is reported. This carbene has spatially-defined steric impact; steric maps show that two quadrants are very bulky while the other two are quite ...this carbene are ...
9
Palladium/Nucleophilic Carbene Catalysts for Cross-Coupling Reactions50-64
... While our general amination procedure was ineffectual for the aryla- tion of indoles, good results were obtained when coupling a number of aryl bromides and indole derivative[r] ...
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