Design,synthesis,and acaricidal activity of trifluoroethyl sulfide(sulfoxide)compounds containing imidazolidone(pyrrolamide)moieties
[Aims]This study aims to generate trifluoroethyl sulfide(sulfoxide)compounds with excellent acaricidal activity.[Methods]A series of novel trifluoroethyl sulfide(sulfoxide)compounds containing imidazolidone(pyrrolamide)moieties were designed and synthesized from 2-fluoro-4-methyl-5-(2,2,2-trifluoroethylthio)aniline,and their acaricidal activity were tested.[Results]The activity results indicated that the synthesized compounds had certain acaricidal activity at the dosage of 100 mg/L.Compounds Ⅸb and Xb had a mortality rate of over 96％against the egg of Tetranychus cinnabarinus,and compound Ⅸa has a mortality rate of 100％against the T.urticae adults.[Conclusions]The target compounds with good acaricidal activity provide a guideline for the design of trifluoroethyl sulfide(sulfoxide)compounds and are of significant reference for exploring the biological activities diversity.
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