Kinetics and Mechanisms of Nucleophilic Displacements with Heterocycles as Leaving Groups. 3. N-(Substituted benzyl)-2,4,6-triphenylpyridiniums: Effects of Benzyl Substitution on First- and Second-Order Rates

Article abstract of DOI:10.1021/jo00332a014

1-(p-Methoxybenzyl)- and 1-(2-furfuryl)-2,4,6-triphenylpyridiniums react with piperidine in chlorobenzene by S_N1 and S_N2 mechanisms, the proportion of S_N1 increasing with temperature.Other 1-(substituted benzyl) derivative