[PDF] Top 20 Copper NHC complexes in catalysis
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Copper NHC complexes in catalysis
... Cross-coupling reactions are the most common method to access highly valuable and functionalized molecules. With the new research based on the C-H activation, direct arylation of such bond became of great interest. ... See full document
71
Investigating the structure and reactivity of azolyl based copper(I) NHC complexes : the role of the anionic ligand
... (13) For selected examples of copper(I) catalyzed hydrosilylation of ketone with ligands different from NHCs see: (a) Lipshutz, B. H.; Noson, K.; Chrisman, W.; Lower, A. J. Am. Chem. Soc. 2003, 125, 8779-8789; (b) ... See full document
10
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
... (3) (a) Parshall, G. W.; Ittel, S. Homogeneous catalysis; J. Wiley and Sons: New York, 1992. (b) Pignolet, L. H., Ed. Homogeneous Catalysis with Metal Phosphine Complexes; Plenum: New York, 1983. (c) ... See full document
77
New Frontiers in Metathesis Chemistry69-75
... of NHC utilisation in catalysis, Lionel Delaude (University of Liège, Belgium), in his instructive presentations: ‘Olefin Metathesis with Ruthenium-Arene Catalysts Bearing N-Heterocyclic Carbene’ and ... See full document
7
Ruthenium Complexes Bearing N-Heterocyclic Carbene (NHC) Ligands183-188
... chiral NHC Ru com- plexes in asymmetric catalysis are presently evolving, but elaborate electronic and steric varia- tions on NHCs will still be necessary for further progress in this ... See full document
6
Late transition metal complexes of NHC based macrocycles
... Despite copper-based transmetallation methodology being well established ...of NHC-based pincer complexes of copper are limited, 26 and their use as transmetallation reagents even more ... See full document
182
Versatile relay and cooperative palladium(0) N heterocyclic carbene/copper(I) N heterocyclic carbene catalysis for the synthesis of tri and tetrasubstituted alkenes
... Abstract: Two new and efficient dual catalytic procedures for the synthesis of tri- and tetra-substituted alkenes using aryl bromides and chlorides are reported. The formation of these vinyl arenes occurs independently ... See full document
6
Structural Diversity of Copper(I)-N-Heterocyclic Carbene Complexes; Ligand Tuning Facilitates Isolation of the First Structurally Characterised Copper(I)-NHC Containing a Copper(I)-Alkene Interaction
... triangular copper(I) ...the copper(I) centres are best described as distorted linear, with bond angles of ...for copper(I)-NHC ...three copper(I) centres are ...closest ... See full document
16
Palladium(0) NHC complexes : a new avenue to highly efficient phosphorescence
... of copper and its significantly lower cost than most other photophysically active metals make it an attractive option, and experimental results both in solution 10 and in devices 11 have been encouraging, ... See full document
38
Divergent stereoisomers of molybdenum carbonyl complexes of NHC based pincer ligands
... in catalysis and materials science, pincer ligands featuring N- heterocyclic carbene (NHC) donors are becoming increasingly prominent in contemporary organometallic ... See full document
13
Neutral dinuclear copper(I) NHC complexes : synthesis and application in the hydrosilylation of ketones
... the copper precata-‐ lyst by the base, forming in situ the corresponding [Cu(O t Bu)(NHC)] species, which, upon reacting with the silane, generated the [Cu(H)(NHC)] intermediate involved in the ... See full document
6
Expanding the scope of phenanthroline based copper(I) complexes in photoredox catalysis
... have a direct impact on the amount of catalyst in its active, excited state at any given time. The emission quantum yield describes how likely emission from the complex is, given a set number of photons being introduced ... See full document
281
Light stable silver N Heterocyclic carbene catalysts for the alkynylation of ketones in air
... silver complexes were shown to efficiently promote the alkynylation of ...The NHC- silver(I) complexes were shown to be more efficient in aqueous media than their copper(I) ... See full document
6
Palladium(0) NHC complexes : a new avenue to highly efficient phosphorescence
... centred occupied orbitals. In both compounds, the lowest energy band features a large contribution over the imidazolium unit while the higher energy bands involve the entirety of the NHC ligands (except for the ... See full document
14
Asymmetric catalysis using iron complexes : 'ruthenium lite'?
... this review has primarily served to highlight the diversity of iron-catalysed asymmetric reactions which currently exist, an opportunity has also been taken to highlight areas of recent resaerch in non-asymmetric ... See full document
15
Asymmetric synthesis of tri and tetrasubstituted trifluoromethyl dihydropyranones from alpha aroyloxyaldehydes via NHC redox catalysis
... In this manuscript the asymmetric NHC-catalyzed re- dox [4+2] cycloaddition of α-aroyloxyaldehydes with a range of trifluoromethylenones is reported. This process accommodates variation at both the α- and ... See full document
7
Expedient syntheses of neutral and cationic Au(I)–NHC complexes
... permitted the sequential syntheses of a range of cationic complexes directly from the various chloride precursors. The possibility to tune the solvent used in the first reaction step of these procedures to ensure ... See full document
9
Zinc Complexes of New Chiral Aminophenolate Ligands: Synthesis, Characterization and Reactivity toward Lactide
... zinc complexes gave polymer molecular weights lower than expected due to extensive tran- sesterification as a result of extended reaction times beyond complete polymerization ... See full document
14
Ruthenium Complexes Bearing N-Heterocyclic Carbene (NHC) Ligands123-137
... Of particular utility for advanced organic syn- thesis, functional carbocycles and heterocycles of variable size and molecular architecture have been efficiently prepared by RCM of dienes having functional groups in the ... See full document
15
Au(I) N heterocyclic carbenes from bisimidazolium amphiphiles: synthesis, cytotoxicity and incorporation onto gold nanoparticles
... complexes with a synthetic dodecapeptide containing a seleno- cysteine group, conrming the direct coordination of this thiol- residue with the gold atom. Citta et al. took advantage of the ease of modication of ... See full document
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