Quinolizidine Alkaloids with Antitomato Spotted Wilt Virus and Insecticidal Activities from the Seeds of Thermopsis lanceolata R. Br
文献类型: 外文期刊
第一作者: Hu, Zhan-Xing
作者: Hu, Zhan-Xing;Zhang, Peng;Zou, Ji-Bin;An, Qiao;Yi, Ping;Yuan, Chun-Mao;Hao, Xiao-Jiang;Hu, Zhan-Xing;Zou, Ji-Bin;An, Qiao;Yi, Ping;Yuan, Chun-Mao;Hao, Xiao-Jiang;Hu, Zhan-Xing;Zou, Ji-Bin;An, Qiao;Yi, Ping;Yuan, Chun-Mao;Hao, Xiao-Jiang;Zhang, Peng;Zhang, Zhong-Kai;Zhao, Li-Hua;Hao, Xiao-Jiang;Hao, Xiao-Jiang
作者机构:
关键词: against T. urticae. Thermopsis lanceolata R. Br.; quinolizidine alkaloids; anti-TSWV; insecticidal activity; structure-activity relationship
期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY ( 影响因子:5.895; 五年影响因子:6.048 )
ISSN: 0021-8561
年卷期:
页码:
收录情况: SCI
摘要: As part of our ongoing investigation of pesticide active quinolizidine alkaloids (QAs) from the family Fabaceae, the chemical constituents of the seeds of Thermopsis lanceolata R. Br. were systematically investigated. Bioassay-guided fractionation and purification of the crude extract led to the isolation of seventeen new QAs (1-17), including three new naturally occurring compounds (15-17), along with 15 known compounds (18-32). Their structures were elucidated by comprehensive spectroscopic data analysis (IR, UV, NMR, and HRESIMS) and quantum chemistry calculations (13C NMR and ECD). The antitomato spotted wilt virus activities and insecticidal activities against Aphis fabae, Nilaparvata lugens (Stal), and Tetranychus urticae of compounds 1- 32 were screened using the lesion counting method, spray method, and rice-stem dipping method, respectively. Biological tests indicated that compounds 6, 9, 10, and 18 displayed significant anti-TSWV activities compared with the positive control ningnanmycin. Compounds 3, 4, and 5 showed better insecticidal activities against A. fabae with LC50 values of 10.07, 12.07, and 6.56 mg/L, respectively. Moreover, compounds 5, 18, and 24 exhibited moderate insecticidal activities against N. lugens (Stal) with LC50 values of 37.91, 53.44, and 31.21 mg/L, respectively. Furthermore, compounds 9 and 10 exhibited moderate insecticidal activities against T. urticae.
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