Synthesis, Insecticidal Activity, and Structure-Activity Relationship of Trifluoromethyl-Containing Phthalic Acid Diamide Structures

被引:36
作者
Feng, Mei-Li [1 ]
Li, Yu-Feng [1 ]
Zhu, Hong-Jun [1 ]
Zha, Liang [1 ]
Xi, Bin-Bin [1 ]
Ni, Jue-Ping [2 ]
机构
[1] Nanjing Univ Technol, Coll Sci, Dept Appl Chem, Nanjing 210009, Peoples R China
[2] Jiangsu Pesticide Res Inst Co Ltd, Nanjing 210019, Peoples R China
关键词
Phthalic acid diamides; insecticidal; structure-activity relationships;
D O I
10.1021/jf1021708
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Phthalic acid diamides have received considerable interest in agricultural chemistry due to a novel action mode, extremely high activity against a broad spectrum of lepidopterous insects, low acute toxicity to mammals, and environmentally benign characteristics. A series of phthalic acid diamides (4I-4IV) with the CF3 group at meta position on the aniline ring were synthesized. Their structures were characterized by H-1 NMR and C-13 NMR (or elemental analysis). The structure of N-2-[1,1-dimethyl-2-(methylthio)ethyl]-3-iodo-N-1-[3-fluoro-5-(trifluoromethyl)phenyl]-1,2-benzenedicarboxamide (4If) was determined by X-ray diffraction crystallography. Their insecticidal activities against Plutella xylostella were evaluated. The results show that some of the title compounds exhibit excellent larvicidal activities against P. xylostella, and improvement in larvicidal activity requires a reasonable combination of substituents in the parent structure, which provides some hints for further investigation on structure modification.
引用
收藏
页码:10999 / 11006
页数:8
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