Results 111 to 120 of about 36,419 (269)

Post-Modification of the Electronic Properties by Addition of π-Stacking Additives in N-Heterocyclic Carbene Complexes with Extended Polyaromatic Systems [PDF]

, 2015
A series of iridium complexes containing phenanthro[4,5-abc]phenazino[11,12-d]imidazol-2-ylidene and acetonaphtho[1,2-b]quinoxaline[11,12-d]imidazol-2-ylidene ligands have been obtained and fully characterized.
Benesi H. A., Butorac R. R., Butorac R. R., Cesar V., Chianese A. R., Ciancaleoni G., Eduardo Peris, Fielding L., Gil V. M. S., Gonell S., Gonell S., Gonell S., Guisado-Barrios G., Gusev D. G., Hugo Valdés, Job P., Keller M., Kelly R. A., Kirkbrig Gf, Kumar A., Lee J. S., Lin J. C. Y., Lovering F., Macarena Poyatos, Mercs L., Mormul J., Nelson D. L., Pitt W. R., Prades A., Renny J. S., Ruiz-Botella S., Sabater S., Schuster O., Tapu D., Tapu D., Tolman C. A., Tu T., Tu T., Ullah F., Valdés H., Valdés H., Vasudevan K. V., Visbal R., Ward R. A., Wittmann S.   +44 more
core   +3 more sources

Synthesis and Coordination Compounds of A Bis(Imino)Acenaphthene (Bian)-Supported N-Heterocyclic Carbene [PDF]

, 2010
The bis(imino)acenaphthene-supported N-heterocyclic carbene IPr(BIAN) has been prepared by deprotonation of the precursor imidazolium chloride. Treatment of IPr(BIAN) imidazolium chloride with Ag(2)O afforded the silver complex [IPr(BIAN)]AgCl which can ...
Abernethy, Colin D., Butorac, Rachel R., Cowley, Alan H., Vasudevan, Kalyan V.   +3 more
core   +1 more source

Geminal Difunctionalization of Ketones via C─S Bond Insertion of Photogenerated Donor–Donor Diazo Compounds

Angewandte Chemie International Edition, EarlyView.
Geminal difunctionalization of readily available building blocks provides rapid access to molecular complexity. This work introduces a strategy for installing two distinct functional groups on a carbonyl carbon by transforming it into a donor–donor diazo compound, enabling both batch and flow applications with broad solvent compatibility.
Vincent George, Aryaman Pattanaik, Daniel Maddox, Lukas M. Sigmund, Giovanna Mejia, Sara Pahlén, Simon O. Angerer, Maria Schmoll, Lisa Marie Schneider, Nidhal Selmi, Mikhail Kabeshov, Giulia Bergonzini, Julia Rehbein, Burkhard König   +13 more
wiley   +1 more source

From betaines to anionic N-heterocyclic carbenes. Borane, gold, rhodium, and nickel complexes starting from an imidazoliumphenolate and its carbene tautomer

Beilstein Journal of Organic Chemistry, 2016
The mesomeric betaine imidazolium-1-ylphenolate forms a borane adduct with tris(pentafluorophenyl)borane by coordination with the phenolate oxygen, whereas its NHC tautomer 1-(2-phenol)imidazol-2-ylidene reacts with (triphenylphosphine)gold(I) chloride ...
Ming Liu, Jan C. Namyslo, Martin Nieger, Mika Polamo, Andreas Schmidt   +4 more
doaj   +1 more source

Three-coordinate iron(II) expanded ring N-heterocyclic carbene complexes [PDF]

, 2016
A sterically demanding seven-membered expanded ring N-heterocyclic carbene (NHC) ligand allows access to rare examples of three-coordinate iron(II)-NHC complexes incorporating only halide coligands of the general formula [Fe(NHC)X 2 ] (NHC = 7-DiPP; X ...
David J. Evans, Jay J. Dunsford, Michael J. Ingleson, Nicholas F. Chilton, Sachin N. Shah, Sur S. K., Thomas Pugh   +6 more
core   +4 more sources

Synthesis of N-Heterocylic Carbene-Containing Metal Complexes from 2-(Pentafluorophenyl)imidazolidines [PDF]

, 2007
N-Heterocyclic carbene (NHC)-containing metal complexes are prepared through a simple, base-free method involving the decomposition of 2-(pentafluorophenyl)imidazolidines under mild thermolytic conditions.
Blum, Angela P., Grubbs, Robert H., Ritter, Tobias   +2 more
core   +1 more source

N‐heterocyclic carbene‐based tetradentate Pt(II) phosphors for blue organic light‐emitting diodes: Molecular design, photophysics, and device performance

Bulletin of the Korean Chemical Society, EarlyView.
Structure‐oriented design of NHC‐based tetradentate Pt(II) complexes offers narrowband deep‐blue emission for OLEDs. This review highlights how steric shielding and electronic modulation regulate intermolecular interactions, excited‐state dynamics, and device performance, outlining design principles and outlines toward efficient and durable blue ...
Mingi Kim, Chan Hee Ryu, Kang Mun Lee
wiley   +1 more source

Structural Characterization and Catalytic Hydrosilylation Reactions [PDF]

, 2015
Two series of different Cu(I)-complexes of “click” derived mesoionic carbenes are reported. Halide complexes of the type (MIC)CuI (with MIC = 1,4-(2,6-diisopropyl)-phenyl-3-methyl-1,2,3-triazol-5-ylidene (for 1b), 1-benzyl-3-methyl-4-phenyl-1,2,3-triazol-
Duecker, Fenja Leena, Hohloch, Stephan, Meer, Margarethe van der, Sarkar, Biprajit   +3 more
core   +1 more source

Shedding Light on Synthetic Autocatalysis: From Conventional Closed‐Shell Chemistries to Overlooked Open‐Shell Occurrences

Chemistry – A European Journal, EarlyView.
Why add another catalyst when the product itself holds the power to catalyze its own formation? Autocatalysis in synthetic chemistry enhances reaction efficiency and uncovers novel catalytic behavior across both closed‐shell and open‐shell systems, expanding reactivity and enabling innovative design strategies.
Jaspreet Kaur, Joshua P. Barham
wiley   +1 more source

μ3-Chlorido-tris(bis{1-[2-(dimethylamino)ethyl]-3-methylimidazol-2-ylidene}silver(I)) dichloride

Acta Crystallographica Section E, 2012
In the crystal structure of the title compound, [Ag3Cl(C8H15N3)6]Cl2, the AgI ion, which is located on a twofold rotation axis, exists in a T-shape coordination environment.
Sebastian Leitner, Christoph Topf, Uwe Monkowius   +2 more
doaj   +1 more source