Abstract
The kinetics of heterolysis of t-BuCl in sulfolane, PhCN, PhNO2, acetophenone, cyclohexanone, chloroform, and 1,2-dichloroethane at 30-50°C were studied by the verdazyl method. Quantitative analysis of the effect of solvent parameters on the ΔG≠, ΔH≠, ΔS≠, and log k25 values for heterolysis of t-BuCl in a set of 15 protic and 16 aprotic solvents and separately in either group of solvents was performed. In the above set of solvents, three ΔH≠-ΔS≠ compensation effects are observed, associated with jump changes in the potential energy of the reaction.
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