Abstract

Three structurally related haptens 1-3 were designed and synthesized with the goal of generating antibodies for the hydrolysis of ester 4a and amide 4b. These haptens contain a 1,2-amino alcohol functionality which replaces the ester Jamide moiety of the substrates. A number of catalytic antibodies were generated, and the Michaelis-Menten kinetics constants of three representative catalytic antibodies induced to each of haptens 1-3 were determined. These catalytic antibodies accelerated the hydrolysis of ester 4a with k cat /k un =∼3×10 3 , and their catalytic activities were effectively inhibited by the addition of their respective haptens

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