Kinetics and Mechanism of Monomolecular Heterolysis of Commercial Organohalogen Compounds:XXXIX.Salt Effect of LiClO_4 in Heterolysis of Ph_2CHCl in y-Butyrolactone

摘要

Additions of LiClO_4 accelerate the heterolysis of Ph_2CHCl in y-butyrolactone;nu = k[Ph_2CHCl],SN1 mechanism.The salt effect increases with an increase in the electron-acceptor properties of the verdazyl indicator.A superposition of three salt effects(normal,special,and negative special)is observed.Neutral(ammonium and alkali metal)salts strongly and specifically affect the rate of monomolecular heterolysis reactions(SNl,El,solvolysis).