Recommanded Product: 108-47-4, Chemical engineers ensure the efficiency and safety of chemical processes, adapt the chemical make-up of products to meet environmental or economic needs, and apply new technologies to improve existing processes. 108-47-4, Name is 2,4-Dimethylpyridine,belongs to chiral-nitrogen-ligands compounds, now introducing its new discovery.
Changes in the absorbance of nickel chelate of resacetophenone oxime are observed, on the addition of heterocyclic N-bases to a solution of the nickel chelate in cyclohexanone.This behaviour is attributed to the adduct formation of nickel chelate with pyridine or substituted pyridines.All the N-bases form monoadducts with the nickel chelate, except 1,10-phenanthroline which forms a diadduct.The stabilities of the nickel adduct increase in the following order of the bases: 3,5-lutidine < 2,4,6-collidine < 3-picoline < 4-picoline < pyridine < 2,2'-bipyridyl < 2,9-neocuproin < 1,10-phenanthroline.
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Reference：
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis