Co-Authors:
Hirashima, A., Department of Agricultural Chemistry, Kyushu University, Fukuoka, 812, Japan
Ishaaya, I., Department of Agricultural Chemistry, Kyushu University, Fukuoka, 812, Japan, Department of Entomology, Agricultural Research Organization, The Volcani Center, Bet Dagan, 50-250, Israel
Ueno, R., Department of Agricultural Chemistry, Kyushu University, Fukuoka, 812, Japan
Ichiyama, Y., Department of Agricultural Chemistry, Kyushu University, Fukuoka, 812, Japan, Hisamitsu Pharmaceutical K. K, Tokyo, Japan
Wu, S.-Y., Department of Agricultural Chemistry, Kyushu University, Fukuoka, 812, Japan, Institute of Applied Chemistry, Beijing Agricultural University, Beijing, China
Eto, M., Department of Agricultural Chemistry, Kyushu University, Fukuoka, 812, Japan
Abstract:
Salioxon enantiomers were obtained from salithion enantiomers by MCPBA oxidation. The larvicidal and adulticidal activities of salithion enantiomers, and the anti-cholinesterase activity of salioxon enantiomers were determined on house flies. On larvae, the potency of (S)(-)-salithion (LC50 = 1.1 ppm) was about two-fold higher than the (R)(+)-enantiomer (LC50 = 2.1 ppm). A similar ratio was obtained when these compounds were applied topically to female adults. The relative potency of these enantiomers correlated well with the anti-cholinesterase activity of their respective oxidative enantiomers, (R)(+)-and (S)(-)-salioxon, which are assumed to have been formed after their application to the insects. © 1989 Agricultural Chemical Society of Japan.
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