Application In Synthesis of 2,4-Dimethylpyridine, Chemical engineers work across a number of sectors, processes differ within each of these areas, and are directly involved in the design, development, creation and manufacturing process of chemical products and materials. 108-47-4, Name is 2,4-Dimethylpyridine, molecular formula is C7H9N. In a Article，once mentioned of 108-47-4
Cation radicals derived from anthracene and 9-substituted anthracenes react with pyridine and substituted pyridines to form pyridinium salts. 9-Nitro- and 9-cyano-substituted cation radicals were observed to be about 102 times as reactive as unsubstituted anthracene (AH) cation radicals while the 9-phenylanthracene (PAH) cation radical was found to be from 2 to 7 times less reactive than AH.+.The reactivities of the nitrogen-centered nucleophiles were observed to depend upon both electronic and steric factors.The mechanism of the reactions involves nucleophilic attack by the nitrogen lone pair at the 10-position of the cation radical.The reactions are accompanied by a change in hybridization, sp2 to sp3, at the anthracene 10-position, giving rise to inverse deuterium kinetic isotope effects ranging from 0.7 to 0.8 when the 10-position is substituted with deuterium.An electron-transfer mechanism for the substitution reactions was ruled out on the basis of energetic considerations.
Because a catalyst decreases the height of the energy barrier, its presence increases the reaction rates of both the forward and the reverse reactions by the same amountApplication In Synthesis of 2,4-Dimethylpyridine, you can also check out more blogs about108-47-4
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