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Aseries of novel (S,S)-2,8-diazabicyclo[4.3.0]nonane containing benzimidazole moietywas synthesized and their structures were determined by 1H NMR and HRMS. The biological activityresults showed that these compounds possessed moderate antifungal activity to some plant pathogenous fungi and moderate insecticidal activity against Mythimna separata Walker and Culex pipiens pallens.Compounds 6e and 6f exhibited good antibacterial activity against Sclerotinia sclerotiorum,Phytophthora infestans and Fusarium graminearum. The lethality rates of compounds 6e and 6k againstMythimna separata Walker were 100% at 200 mg/L and the lethality rates of compounds 6h and 6k against C. pippiens pallens were 75% at 2 mg/L.
Aseries of novel (S, S) -2,8-diazabicyclo [4.3.0] nonane containing benzimidazole moietywas synthesized and their structures were determined by1H NMR and HRMS. The biological activityresults showed that these compounds were absorbed moderate antifungal activity to some plant pathogenous fungi and moderate insecticidal activity against Mythimna separata Walker and Culex pipiens pallens. Compounds 6e and 6f exhibited good antibacterial activity against Sclerotinia sclerotiorum, Phytophthora infestans and Fusarium graminearum. The lethality rates of compounds 6e and 6k against Mythimna separata Walker were 100% at 200 mg / L and the lethality rates of compounds 6h and 6k against C. pippiens pallens were 75% at 2 mg / L.