Abstract

N. Sikder and A. K. Sikder*

The hydrolysis of diethyl-p-nitrophenyl phosphate (Paraoxon) has been studied using isomeric hydroxyiminomethyi pyndmium type surfactants. Micellar 1-n-dodecyl-2-(hydroxyiminomethyl) pyridinium salt was found to be more effective nucleophilic reagent and 38 fold of rate enhancement was observed than its corresponding 3-isomer. The influence of comiceilizing surfactant on the reactivity of 1-n-alkyl isomeric (hydroxyiminomethyl)-Pyndimum bromides, micellar oximes are reported.

Hydrolysis; Diethyl-p-nitrophenyl; Hydroxyiminomethyi; Comiceilizing; Surfactant

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