Author:
Hay RW,Porter LJ,Morris PJ
Abstract
The kinetics of alkaline hydrolyses of
nine amino acid esters by the process H,2NCHRCO2R'+OH-
+ H2NCHRCO2-+R'OH have been studied at 25� and
an ionic strength of 0.1M in water over a range of pH. The acid ionization
constants of the various amino acid esters have been determined, and these are
roughly 2 pK units lower than those of the corresponding amino acids. The
kinetic measurements are interpretable on the basis of electrostatic and steric
effects.
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