Study on Synthesis and Insecticidal Activity of Acylaminourea Compounds
To obtain highly active insecticides,with cyanflufenazone as the lead compound,8 acyl aminourea compounds were synthesized by intermediate derivatization method,and the synthesized target compounds were characterized by 1H NMR,13C NMR and HRMS,the structure of all target compounds was determined,and the insecticidal activity test was carried out.The test results showed that for cotton aphid larvae,at a mass concentration of 50 mg·L-1,most of the compounds had certain biological activity on gossyroid,among which Ⅰ-5a,Ⅰ-5d,Ⅰ-5e had the highest biological activity,up to 100％.After reducing the bioassay mass concentration,the best activity Ⅰ.-5e could reach 76％at 10 mg·L-1,having research value as an insecticide.
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