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Synthesis and Insecticidal Activities of Novel Anthranilic Diamides Containing Modified N-Pyridylpyrazoles

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journal contribution
posted on 08.12.2010, 00:00 by Qi Feng, Zhi-Li Liu, Li-Xia Xiong, Ming-Zhong Wang, Yong-Qiang Li, Zheng-Ming Li
In order to look for novel insecticides targeting the ryanodine receptor, four new series of anthranilic diamides containing modified N-pyridylpyrazoles were designed and synthesized. All of the compounds were characterized and confirmed by 1H NMR, 13C NMR, and HRMS. The single crystal structure of 10c was determined by X-ray diffraction. Their insecticidal activities against oriental armyworm (Mythimna separata) and diamondback moth (Plutella xylostella) indicated that most of the compounds showed moderate to high activities at the tested concentration, while compound 19 showed comparable higher activity at the concentration of 0.125 mg/L. The preliminary structure−activity relationship (SAR) was discussed.