Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. In my other articles, you can also check out more blogs about 108-47-4
Application of 108-47-4, In homogeneous catalysis, catalysts are in the same phase as the reactants. Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 108-47-4, Name is 2,4-Dimethylpyridine, molecular formula is C7H9N. In a Article，once mentioned of 108-47-4
The cis- and trans-Effects of Cyanide in Substitution at Platinum(II)
The cis- and trans- isomers (am = dimethylamine, pyridine, 4-cyanopyridine, 4-chloropyridine, 2-methylpyridine, 4-methylpyridine, 2,4-dimethylpyridine, 4-ethylpyridine, morpholine or piperidine), react rapidly with excess CN(1-) in methanol to form the corresponding cis- and trans- species which then react further to give (2-).The kinetics of the slow step, + CN(1-) -> (1-) + am, has been studied.In spite of the strong trans effect of CN(1-) the trans species are all more reactive than the corresponding cis isomers.The second-order rate constants are sensitive to the nature of am; plots of log k2 against the pKa of Ham(1+) are linear but the slope for the trans isomers (-0.27) is much greater than that for the cis isomers (-0.07).The rate constants for the displacement of o-methyl substituted pyridines are smaller than predicted from their basicity.This steric hindrance effect is much more marked in the trans isomers.The complexes with am = NH3 and NH2Me are similarly less reactive than might be predicted but the effect is the same in both isomers.The results are explained in terms of the trans effect of cyanide and its effect upon the intrinsic reactivities and nucleophilic discriminations of the substrates.
Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. In my other articles, you can also check out more blogs about 108-47-4
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