Colmenares, "Two-step radical reactions that switch low multiplicity channels leading to the
carbene and carbyne species detected for Ru([sup.5]F) + C[H.sub.4-n][F.sub.n] (n = 2-4) interactions under matrix isolation conditions," RSC Advances, vol.
Novel imidazole salts, or N-heterocyclic
carbene ligands, namely, 1,3-bis(2-hydroxyethyl) imidazolidinium bromide [L.sub.A], 3-(2-ethoxy-2-oxoethly)-1-(3-aminopropyl)-1H-imidazol-3-ium bromide [L.sub.B], 1,3-bis(2-carboxyethyl)-4-methyl-1H-imidazol-3-ium bromide [L.sub.C], and 3-(2-carboxyethyl)-1-(3-aminopropyl)-1H-imidazol-3-ium bromide [L.sub.D] were synthesized, and they were preliminary confirmed by GC-MS and elemental analysis methods.
Michaelis et al., "In vitro and in vivo investigations into the
carbene silver acetate anticancer drug candidate SBC1," Letters in Drug Design and Discovery, vol.
Veiros et al., "Tuning the reactivity of Dirhodium(II) complexes with axial Nheterocyclic
carbene ligands: the arylation of aldehydes," Angewandte Chemie International Edition, vol.
"We weren't the first people who looked at heterocyclic
carbenes as ligands," he says, "but we and a number of other people started to look at them at a very fundamental level."
(2007) Total synthesis of ([+ or -])-phomactin B2 via an intramolecular cyclohexadienone annulation of a chromium
carbene complex.
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.
N-heterocyclic
carbene (NHC) molecules have been extremely abundant in the chemical literature for over a decade.
Maryland) present this volume on
carbene chemistry.
Meyer, "Copper complexes of nitrogen-anchored tripodal N-heterocyclic
carbene ligands," Journal of the American Chemical Society, vol.
Al-Rawi, "Synthesis and anticancer activity of paraxylyl linked bis-benzimidazolium salts and respective Ag(I) Nheterocyclic
carbene complexes," Medicinal Chemistry Research, vol.
A number of new catalysts have also been reported for this reaction which includes lanthanum(In)-binaphthyl disulfonate [7], nanocrystalline magnesium oxide [8], BINOL-phosphoric acid [9,10], Fe[(Cp).sub.2]P[F.sub.6] [11], Jacobsen's thiourea catalyst [12], N-heterocyclic
carbene (NHC)-amidate palladium (II) complex [13], Yb[(OTf).sub.3]-pybox [14], [K.sub.2]Pd[Cl.sub.4][15], gallium (III) triflate [16], bisformamides [17], IBX/TBAB [18], Lewis base, for example, N,N-dimethylcyclohexylamine [19], superparamagnetic iron oxide [20], and ionic liquid [21].
