4940 EL-AHMADI I. HEIBA AND LEIGH c. AXDERSOIi 1-01. 7! 1 the acetate than that for the formate ester. 20 This result is also consistent with the structural effect on the entropy of solvation pictured by Humphrey5 and Hammett.''The possibility that the rate of inethanolysis of the acetate is retarded relative to the formate by hyperconjugative stabilization in the esterIY (as well as by the more electron-releasing inductive effect) is not eliminated, ...
