Results 271 to 280 of about 101,444 (317)

Strain engineering of single-site Cu on SWCNTs for highly efficient diene cyclopropanation. [PDF]

Nat Commun
Yao Y, Zhang X, Cao Y, Liu L, Zhang Y, Zhang S.   +5 more
europepmc   +1 more source

Hierarchical, Template‐Controlled Self‐Assembly of Two Different Organometallic Capsules from a Tetrakisimidazolium Salt

Angewandte Chemie, Volume 138, Issue 1, 2 January 2026.
Two dodecasilver capsules were synthesized from tetra‐NHC‐decorated calix[4]resorcinarene ligands and Ag2O through hierarchical template‐directed self‐assembly utilizing {Ag(NCCH3)4(BF4)8}7− or (CF3SO3)88− templates. The dodecanuclear assemblies represent the largest organometallic capsules obtained to date from poly‐NHC ligands.
Yang Li, Xue‐Ting Chang, Le Zhang, Guozan Yuan, Franz Ekkehardt Hahn, Ying‐Feng Han   +5 more
wiley   +1 more source

The N-Bromo-Hammick Intermediate. [PDF]

Chemistry
Bhagat V, Wagner JP.
europepmc   +1 more source

Direct Synthesis of Bicyclo[1.1.1]pentanes by Sequential C═C, C-C Functionalization Reactions. [PDF]

J Am Chem Soc
Sailer JK, Ly D, Musaev DG, Davies HML.
europepmc   +1 more source

Highly-destabilized ligand field excited states of iron carbene complexes and their relation to charge transfer state lifetimes. [PDF]

Chem Sci
Hooper RX, Poulter BI, Schwarz J, Barakat M, Kunnus K, Nelson KJ, Ilic A, García-Mateos C, Chowdhury R, Uhlig J, Wärnmark K, Jakubikova E, Cordones AA, Gaffney KJ.   +13 more
europepmc   +1 more source

Diphosphane-Mediated Control of the Emissive Properties in [Cu(NHC)(P^P)]⁺ Complexes: TADF vs Phosphorescence. [PDF]

Inorg Chem
Jiménez R, Crespo O, Gimeno MC.
europepmc   +1 more source

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Bond Dissociation Energies of Carbene–Carbene and Carbene–Main Group Adducts

The Journal of Physical Chemistry A, 2022
A range of carbene structures and their adducts with one another and with a selection of small-molecule electrophiles and nucleophiles were examined at the composite correlated molecular orbital theory G3MP2 level to explore ground-state "carbenic" structures, their stabilities, and reactivities.
Monica Vasiliu, Kyle C. Edwards, Daniela Tapu, Clarisa E. Castillo, Trent H. Stein, Raluca Craciun, Anthony J. Arduengo, David A. Dixon   +7 more
openaire   +2 more sources

Ultrafast Carbene−Carbene Isomerization

Journal of the American Chemical Society, 2008
The photochemistry of two isomeric aryl diazo ketones was investigated by fs time-resolved UV-vis and IR spectroscopies. Both diazo ketone excited states decompose in less than 300 fs by multiple pathways. One pathway involves concerted Wolff rearrangement and nitrogen extrusion, most likely in the syn rotomer. In the anti rotomer of one isomer, oxygen
Jin, Wang, Gotard, Burdzinski, Jacek, Kubicki, Terry L, Gustafson, Matthew S, Platz   +4 more
openaire   +2 more sources

A Carbene−Carbene Complex Equilibrium

Journal of the American Chemical Society, 2010
Phenylchlorocarbene, generated by laser flash photolysis of phenylchlorodiazirine, formed highly stable pi-type complexes with 1,3,5-trimethoxybenzene in pentane. The carbene and carbene complexes were in equilibrium. We measured the equilibrium constant (K = 1264 M(-1) at 294 K) and, from its temperature dependence, extracted the associated ...
Robert A, Moss, Lei, Wang, Christina M, Odorisio, Karsten, Krogh-Jespersen   +3 more
openaire   +2 more sources

Constrained Carbenes

European Journal of Organic Chemistry, 2006
AbstractCarbenes traditionally have been used for cyclopropane synthesis but little else, since their reactions are difficult to control. However, the burgeoning discipline of supramolecular carbene chemistry—reactions in which highly reactive, divalent carbon intermediates are generated within the confines of host compounds—is making steady progress ...
Rosenberg, Murray G., Brinker, Udo H.
openaire   +1 more source