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 ?
Police also recovered illegal weapons, including two Kalashnikov, two 12-bore guns, three rifles, one carbene, 34 pistols of 30 bore and 54 cartridges and arrested 42 people.
Gust, Synthesis and biological studies of silver N-heterocyclic carbene complexes derived from 4, 5-diarylimidazole, Eur.
Exploiting and engineering hemoproteins for abiological carbene and nitrene transfer reactions.
Guo, "Ring-opening copolymerization of [epsilon]-caprolactone with 2, 2-dimethyltrimethylene carbonate using N-heterocyclic carbene organocatalysts," Polymer Bulletin, vol.
Colmenares, "A two-step reaction scheme leading to singlet carbene species that can be detected under matrix conditions for the reaction of Zr(3F) with either C[H.sub.3]F or C[H.sub.3]CN," Journal of Computational Chemistry, vol.
N-Heterocyclic carbenes (NHCs) are the imidazolebased carbene groups which are isolated and crystallized by the deprotonation of imidazole salts [14].
Gornitzka, "Synthesis, structures, and antimalarial activities of some silver(I), gold(I) and gold(III) complexes involving N-heterocyclic carbene ligands," European Journal of Medicinal Chemistry, vol.
Copere, "An N-heterocyclic carbene ligand promotes highly selective alkyne semihydrogenation with copper nanoparticles supported on passivated silica," Chemical Science, vol.
Nickel complexes of 1,2,4-triazole derived amido-functionalized N-heterocyclic carbene ligands: Synthesis, theoretical studies and catalytic application.
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.
Thus, the extensive research has been focused on the functionalization of CNTs which can be cited fluorination (Pourrezar et al., 2009), carbene addition (Malic et al., 2010), esterification (Hu et al., 2004) and amidation (Venkatesan et al., 2005).