Journal of Organometallic Chemistry published new progress about 4760-35-4. 4760-35-4 belongs to imidazoles-derivatives, auxiliary class Chloride,Benzimidazole, name is 2-(Chloromethyl)-1-methyl-1H-benzo[d]imidazole, and the molecular formula is C9H9ClN2, Category: imidazoles-derivatives.
Leigh, Vivienne published the artcileSynthesis of pincer-type N-heterocyclic carbene palladium complexes with a hemilabile ligand and their application in cross-coupling catalysis, Category: imidazoles-derivatives, the publication is Journal of Organometallic Chemistry (2014), 33-39, database is CAplus.
Benzimidazolium salts containing both a neutral imine and a masked carboxylate functional group for potential metal chelation were prepared Palladation of the ester-protected ligand afforded a N,C-bidentate carbene complex I [X = Cl, Br]. Subsequent ester hydrolysis preserved the bidentate coordination mode and yielded complex II [X = Cl, CF3CO2] with a pending COOH group exclusively. However, when ester deprotection was carried out prior to metalation, the N,C,O-tridentate pincer-type coordinated palladium complex III was obtained. Proton-abstraction of the dangling COOH group in the bidentate ligand of complex II by treatment with a base led to the formation of the N,C,O-tridentate coordinated Pd system III, and inversely, exposure of the tridentate bound Pd complex III with acid afforded the N,C-bidentate ligand coordination mode in complex II, demonstrating hemilability of the oxygen donor site in the pincer ligand. All three palladium(II) complexes I, II and III were evaluated in cross-coupling catalysis and revealed distinct activity differences that are dependent on the type of coupling. These differences suggest that judicious choice of donor groups in pincer-type complexes is a viable strategy for catalyst optimization.
Journal of Organometallic Chemistry published new progress about 4760-35-4. 4760-35-4 belongs to imidazoles-derivatives, auxiliary class Chloride,Benzimidazole, name is 2-(Chloromethyl)-1-methyl-1H-benzo[d]imidazole, and the molecular formula is C9H9ClN2, Category: imidazoles-derivatives.
Referemce:
https://en.wikipedia.org/wiki/Imidazole,
Imidazole | C3H4N2 – PubChem