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  • Title: Nitromethylene neonicotinoids analogues with tetrahydropyrimidine fixed cis-configuration: synthesis, insecticidal activities, and molecular docking studies.
    Author: Sun C, Yang D, Xing J, Wang H, Jin J, Zhu J.
    Journal: J Agric Food Chem; 2010 Mar 24; 58(6):3415-21. PubMed ID: 20180506.
    Abstract:
    Two series of new nitromethylene neonicotinoid analogues (2a-2h and 3a-3h) were designed and prepared, with the cis-configuration confirmed by X-ray diffraction. Preliminary bioassays showed that most analogues exhibited excellent insecticidal activities at 500 mg/L, and analogues with optical activity (2c-2g) were highly potent at 100 mg/L, while compound 2d had >90% mortality at 20 mg/L, which suggested that it could be used as a lead for future insecticides development. Modeling the ligand-receptor complexes by molecular docking study explained the structure-activity relationships observed in vitro and revealed an intriguing molecular binding mode at the active site of the nAChR model, thereby possibly providing some useful information for future receptor structure-based designs of novel insecticidal compounds.
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