carbene


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Related to carbene: Nitrene

carbene

(ˈkɑːbiːn)
n
(Chemistry) chem a neutral divalent free radical, such as methylene: CH2
References in periodicals archive ?
Their topics include non-classical N-heterocyclic carbene complexes, computational studies on the reactivity of transition metal complexes with N-heterocyclic carbene ligands, N-heterocyclic carbene-palladium complexes in catalysis, oxidation reactions with N-heterocyclic carbene metal complexes, and biologically active N-heterocyclic carbene-metal complexes.
Nickel complexes of 1,2,4-triazole derived amido-functionalized N-heterocyclic carbene ligands: Synthesis, theoretical studies and catalytic application.
The key discovery is that in certain types of coordination complexes based on carbene ligands the excited singlet state sinks below the excited triplet state during molecular rotation.
With the help of some talented graduate students and postdoctoral fellows, that inquiry made a key distinction between the role of N-heterocyclic carbene (NHC) and phosphine (PH3), which many observers had thought were equivalent participants in the cross-coupling.
Dyson, "Ruthenium(II) and osmium(II) 1,2,3-triazolylidene organometallics: a preliminary investigation into the biological activity of 'click' carbene complexes," Dalton Transactions, vol.
2007) Total synthesis of ([+ or -])-phomactin B2 via an intramolecular cyclohexadienone annulation of a chromium carbene complex.
N-heterocyclic carbene (NHC) molecules have been extremely abundant in the chemical literature for over a decade.
the presence of the char-acterisiic resonance signals of the benzylidcnc carbene proton can be considered for directly assaying Ihe degradation state of the catalyst.
Maryland) present this volume on carbene chemistry.
y otros seis autores, Anticancer and antimicrobial metallopharmaceutical agents based on palladium, gold, and silver N-heterocyclic carbene complexes, Journal of the American Chemical Society, ISSN 0002-7863, 129, 15042-15053 (2007).
This project was directed toward the synthesis and spectroscopic characterization of a series of rhodium and iridium complexes that incorporate a new class of N-heterocyclic carbene ligands.
It is based on N-heterocyclic carbene catalyst and a silane as the reducing agent.