新規ベンゾフェノン<i>O</i>-メチルオキシム誘導体の合成と殺ダニ活性

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献1件 参考文献7件

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  • Synthesis and Acaricidal Activities of New Benzophenone <i>O</i>-Methyloximes
  • Synthesis and Acaricidal Activities of New Benzophenone O-Methyloximes

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We synthesized newly developed benzophenone O-methyloxime derivatives (I) and assessed their acaricidal activities. Studies of the structure-activity relationship revealed that the strongest acaricidal activity was achieved when position-2 in the left phenyl moiety was substituted with a 5-trifluoromethyl-2-pyridyloxymethyl group. Among the geometrical isomers at the oxime moiety, the Z-isomers were more active than the E-isomers. When the right phenyl moiety was substituted with a 4′-chloro, 4′-bromo or 4′-trifluoromethyl group, good acaricidal activity was obtained. Among the compounds examined, 4′-chloro-2-(5-trifluoromethyl-2-pyridyloxymethyl)benzophenone O-methyloxime (21) showed the most potent activity against Tetranychus urticae and Tetranychus kanzawai.

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