Significant and differential acceleration of dephosphorylation of the insecticides, paraoxon and parathion, caused by alkali metal ethoxides

In the reaction of paraoxon with alkali metal ethoxides, ion-paired EtO-M+ species are more reactive than the dissociated EtO- with the reactivity order EtO-Li+ EtO-Na+ > EtO-K+ > EtO-, while in the reaction of parathion, the reactivity follows the order EtO-K+ > EtO- > EtO-Na+ > EtO-...

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Published inChemical communications (Cambridge, England) no. 24; p. 3016
Main Authors Um, Ik-Hwan, Jeon, Sang-Eun, Baek, Mi-Hwa, Park, Hye-Ran
Format Journal Article
LanguageEnglish
Published England 21.12.2003
Subjects
Catalysis
Ethanol - analogs & derivatives
Ethanol - chemistry
Insecticides - chemistry
Kinetics
Metals, Alkali - chemistry
Paraoxon - chemistry
Parathion - chemistry
Phosphorylation
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Summary:In the reaction of paraoxon with alkali metal ethoxides, ion-paired EtO-M+ species are more reactive than the dissociated EtO- with the reactivity order EtO-Li+ EtO-Na+ > EtO-K+ > EtO-, while in the reaction of parathion, the reactivity follows the order EtO-K+ > EtO- > EtO-Na+ > EtO-Li+.
ISSN:1359-7345
DOI:10.1039/b310055c