Synthesis and bioactivity of novel 3-(1-hydroxyethylidene)-5-substituted-pyrrolidine-2,4-dione derivatives |
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| Authors: | Bao Feng Hana b Qing Ming Shia b Xian Feng Wanga b Jian Bo Liub Sheng Qiangc Chun Long Yanga b a |
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| Institution: | Key Laboratory of Monitoring and Management of Crop Diseases and Pest Insects, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China ; Jiangsu Key Laboratory of Pesticide Science, Nanjing Agricultural University, Nanjing 210095, China ; College of Life Science, Nanjing Agricultural University, Nanjing 210095, China |
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| Abstract: | Ten novel 5-substituted derivatives of 3-(1-hydroxyethylidene)pyrrolidine-2,4-dione were synthesized. The compounds were confirmed by IR, 1H NMR, MS and elemental analysis. The bioassay indicated that these compounds showed noticeable herbicidal activities, and compounds 6f and 6j exhibited excellent inhibitory activities against the stalk of E. crusgalli, with EC50 values of 94.4 and 72.7 mg/L, respectively. |
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| Keywords: | Tenuazonic acid Pyrrolidine-2 4-dione Synthesis Herbicidal activity |
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