期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 24, 期 8, 页码 1987-1992出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2014.02.053
关键词
Chlorantraniliprole derivatives; Insecticidal activities; Molecular docking; Ryanodine receptor; Binding site
资金
- National High-Tech Program of China [2012AA020306]
The lepidopteran pests such as diamondback moth are the regularly harmful pests of crops in the world, which brings enormous losses in crop production. Chlorantraniliprole is an anthranilic diamide insecticide registered for the control of lepidopteran pests with high insecticidal activity, however with uncertain binding site action target of chlorantraniliprole on ryanodine receptor, a series of new chlorantraniliprole derivatives were synthesized and the insecticidal activities of these compounds against diamondback moth were evaluated with chlorantraniliprole and indoxacarb as control. All compounds except 8h, 8p and 8t exhibited varying degree of activities against diamondback moth. Especially, compounds 8c, 8i, 8k and 8l displayed good insecticidal activities against diamondback moth and the activities are even better than that of indoxacarb during 72 h period. The K-i values of all synthesized compounds were calculated through autodocking program respectively. The relationship between calculation value of molecular docking and results of insecticidal activities indicated that the proposed specific receptor, the membrane-spanning domain protein of diamondback moth ryanodine receptor in our study might have chlorantraniliprole binding sites. (C) 2014 Elsevier Ltd. All rights reserved.
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