carbene


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Related to carbene: Nitrene

carbene

[′kär‚bēn]
(organic chemistry)
A compound of carbon which exhibits two valences to a carbon atom; the two valence electrons are distributed in the same valence; an example is CH2.
References in periodicals archive ?
In 1991, Arduengo reported the first stable crystalline carbene.
The basic framework of an N-heterocyclic carbene is a five-membered ring made of two nitrogen and three carbon atoms.
The researchers in Singapore produced the carbene catalyst used in the reaction in situ from a precursor.
We have recently synthesized a ruthenium carbene complex which is a reversibly water-soluble, pH-responsive catalyst which has potential for improved catalyst separation and recycling.
SOLUBLE POLYMER-SUPPORTED IRIDIUM(III) HYDROGEN TRANSFER CATALYSTS BASED ON CHELATING CARBENE LIGANDS.
Arrey's research interests include: (1) Chemical Education--Organic Chemistry and Methods of Learning and Teaching, (2) Synthesis, Characterization, Computational, and Reactivity of heterocyclic Carbene, Diazirine and Nitrene molecules.
A carbene contains a central carbon atom with two bonds, rather than carbon's typical four.
Nickel Complexes with Carbonyl, Isocyanide and Carbene Ligands (C.
Isocyanide, or isonitrile, chemistry attracted much attention at the end of the 20th century when the stable carbene began being used for diversity-oriented synthesis, high throughput screening, and drug discovery.
Presentations were given on mechanistic organometallic chemistry with silicon-containing compounds (Jennifer Love, MCIC, UBC), mass spectrometry techniques for catalyst discovery and reaction optimization (Scott McIndoe, MCIC, University of Victoria) and new main-group ring systems with carbene character (Roland Roesler, MCIC, University of Calgary).
12:15 Water-soluble N-heterocyclic Carbene (NHC) Ligands: Access to