Weng, Yangyang published the artcileNickel-catalyzed allylic carbonylative coupling of alkyl zinc reagents with tert-butyl isocyanide, Recommanded Product: 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride, the publication is Nature Communications (2020), 11(1), 392, database is CAplus and MEDLINE.
By leveraging easily accessible tert-Bu isocyanide as the CO surrogate, a nickel-catalyzed allylic carbonylative coupling with alkyl zinc reagent RZnX (R = Me, n-Bu, Bn, cyclopentyl, 2-chloropyridin-5-yl, etc.; X = Br, Cl), allowing for the practical and straightforward preparation of synthetically important β,γ-unsaturated ketones R1CH=C(R2)CH(R3)C(O)R (R1 = n-Pr, Ph, cyclohexyl, furan-2-yl, etc.; R2 = H, Me; R3 = H, Me, Et, cyclopropyl) in a linear-selective fashion with excellent trans-selectivity under mild conditions was described. Moreover, the undesired polycarbonylation process which is often encountered in palladium chem. could be completely suppressed. This nickel-based method features excellent functional group tolerance, even including the active aryl iodide functionality to allow the orthogonal derivatization of β,γ-unsaturated ketones. Preliminary mechanistic studies suggest that the reaction proceeds via π-allylnickel intermediate.
Nature Communications published new progress about 258278-25-0. 258278-25-0 belongs to imidazoles-derivatives, auxiliary class Achiral NHCs Ligands, name is 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride, and the molecular formula is C12H14O2, Recommanded Product: 1,3-Bis(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium chloride.
Referemce:
https://en.wikipedia.org/wiki/Imidazole,
Imidazole | C3H4N2 – PubChem