Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1998-12-16
2000-11-21
Dees, Jose' G.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514531, A01N 4330, A01N 5300
Patent
active
061504041
ABSTRACT:
The phenoxybenzyl moiety of conventional pyrethroids is a major site of oxidative metabolism in resistant tobacco budworms, Heliothis virescens (F.). This group was replaced with several P450 monooxygenase-inhibiting or oxidatively blocked groups. Several isomers were tested as insecticides or synergists for insecticides against tobacco budworms that were insecticide-susceptible or that expressed metabolic resistance to cypermethrin. Several compounds with insecticidal and synergistic activities were found. Activity was dependent on both geometric and stereochemical configurations. These compounds may be used in diagnosing the mechanism of resistance in field strains with acquired resistance to pyrethroids. Knowledge of the mechanism underlying acquired insecticide resistance helps farmers to control emerging resistant strains.
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Ottea James A.
Shan Guomin
Board of Supervisors of Louisiana State University and Agricultu
Dees Jos,e G.
Pryor Alton
Runnels John H.
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