The facile hydrolysis of toxic organophosphorus compounds is of interest since these compounds have been used as insecticides or potent chemical warfare agents The high reactivity of oximate ions associated with micelle forming molecules against Paraoxon (0,O-diethyl 0-paranitrophenylphosphate) is tested with new N-alkyl hydroximinomethylpyridinium salts The position of the hydroximinomethyl fonction (ortho meta or para), the length of the alkyl chain and the nature of the anion are discussed Certains organophosphores derives des acides phosphoniques et phosphoriques sont couramment utilises comme insecticides (1) ou constituent des agents potentiels de guerre chimique (2). On a donc interbt a posseder des reactifs susceptibles de detruire rapidement ces esters phosphores, don! la toxicite a ete correlee a leur reactivite chimique et plus particulierement a leur vitesse d'hydrolyse. Parml ces reactifs. il a ete mis en evidence recemment la serie des peracides (3, celle des perborates -549 -
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