Abstract

The reaction between p-nitrobenzyl bromide and 2-mercaptobenzoxazole has been studied by following the conductance of the reaction mixture at different time intervals. The reaction is overall second order, being first order with respect to both [nucleophile] and [substrate]. The reaction is studied in 14 different protic and dipolar aprotic solvents and the second order rate constants are determined. Correlation of rate constants with different solvent parameters indicated that electron pair accepting ability of the solvent (E) and hydrogen bond accepting ability (β) of the solvent simultaneously influence the rate of the reaction.

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