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- W1971004075 abstract "Syntheses of the enantiomers of malathion, malaoxon, and isomalathion are reported herein. Malathion enantiomers were prepared from (R)- or (S)-malic acid in three steps. Enantiomers of malathion were converted to the corresponding enantiomers of malaoxon in 52% yield by oxidation with monoperoxyphthalic acid, magnesium salt. The four isomalathion stereoisomers were prepared via two independent pathways using strychnine to resolve the asymmetric phosphorus moiety. The absolute configurations of the four stereoisomers of isomalathion were determined by X-ray crystallographic analysis of an alkaloid salt precursor. A high-performance liquid chromatography technique was developed to resolve the four stereoisomers of isomalathion, and to determine their stereoisomeric ratios." @default.
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- W1971004075 date "1993-09-01" @default.
- W1971004075 modified "2023-10-01" @default.
- W1971004075 title "Synthesis, absolute configuration, and analysis of malathion, malaoxon, and isomalathion enantiomers" @default.
- W1971004075 doi "https://doi.org/10.1021/tx00035a018" @default.
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