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KMID : 0903519940370030210
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1994 Volume.37 No. 3 p.210 ~ p.215
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Mechanistic Investigation in the Oxidation of O , O - Diethyl - S - Phenyl Phosphorothiolate - 18O
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Abstract
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O＿,O＿-Diethyl-S＿-phenyl phosphorothiolate-^(18) and other related compounds were prepared and oxidized with m-chloroperbenzoic acid (MCPBA). Each reaction was followed by ^(31)P NMR and the products were analyzed by GC-MS. O＿,O＿-Diethyl-S＿-phenyl phosphorothiolate-^(18)O was converted to diethyl methyl phosphate in methanol by MCPBA and it was confirmed to contain ^(18)O, which proved that the originally proposed mechanism of Segall and Casida operates in the oxidative reaction.
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