Kinetic Study on SNAr Reaction of 1-Y-Substituted-phenoxy-2,4-dinitrobenzenes with Hydroxide Ion: Effect of Substituent Y on Reactivity and Reaction Mechanism

constants is highly effective in deduction of the reactionmechanism including the nature of the RDS.Results and DiscussionThe kinetic study was carried out under pseudo-first-orderconditions in which the NaOH concentration was kept inexcess of the substrate concentration. All of the reactions inthis study obeyed pseudo-first-order kinetics with quantita-tive liberation of 2,4-dinitrophenoxide ion. Pseudo-first-order rate constants (k