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Original Articles

DéCONTAMINATION CHIMIQUE DU PARAOXON AU MOYEN DE NOUVEAUX NUCLéOPHILES A EFFET-α DéRIVéS DE L'ADAMANTANE

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Pages 243-251 | Received 24 Oct 1991, Accepted 17 Feb 1992, Published online: 04 Oct 2006
 

Abstract

The use of a new series of nucleophiles (oximes, hydroxamic acid and hydrazides) bearing an adamantane cage system permits the very rapid and complete destruction of Paraoxon (0.0-diethyl-O-paranitro-phenylphosphate) taken as a model of insecticides or potent chemical warfare agents and this, in about 2 to 4 minutes instead of 80 minutes to several hours with the conventional decontamination reagents. The rate constants of these reactions under different conditions of temperature, pH, nucleophile and surfactant concentrations are determined.

L'emploi d'une nouvelle série de nucléophiles à fonction oxime, acide hydroxamique ou hydrazide renfermant un système cage dérivé de l'adamantane permet la destruction totale et rapide du Paraoxon (0.0-diéthyl-O-paranitrophénylphosphate) pris comme modèle d'insecticides ou de toxiques de guerre et ce, en 2 à 4 minutes au lieu de 80 minutes à plusieurs heures avec les décontaminants conventionnels. Les constantes de vitesse de ces réactions dans différentes conditions de température, de pH et de concentrations en nucléophile et en surfactant sont déterminées.

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