Synthesis and insecticidal activity of benzoheterocyclic analogues of N'-benzoyl-N-(tert-butyl)benzohydrazide: Part 3. Modification of N-tert-butylhydrazine moiety |
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| Authors: | Sawada Yoshihiro Yanai Toshiaki Nakagawa Harumi Tsukamoto Yoshihisa Tamagawa Yasushi Yokoi Shinji Yanagi Mikio Toya Tetsuya Sugizaki Hiroyasu Kato Yasuhito Shirakura Hidetoshi Watanabe Tetsuo Yajima Yoshimi Kodama Seiichirou Masui Akio |
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| Institution: | Agroscience Research Laboratories, Sankyo Co Ltd, 1041, Yasu, Yasu-cho, Yasu-gun, Shiga-ken 520-2342, Japan. sawada@br.sankyo.co.jp |
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| Abstract: | Nineteen analogues were synthesized by modifying the tert-butylhydrazine moieties of N'-tert-butyl-N'-(3,5-dimethylbenzoyl)-5-methyl-2,3-dihydro-1,4-benzodioxine-6-carbohydrazide and N'-tert-butyl-N'-(3,5-dimethylbenzoyl)-5-methylchromane-6-carbohydrazide (chromafenozide), and the synthesized analogues were evaluated for their insecticidal activity against Spodoptera litura F. While all of the synthesized analogues had insecticidal activity inferior to those of the lead compounds, several of the analogues nonetheless showed high insecticidal activity. Chromafenozide has shown very high selectivity toward lepidopteran species. |
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| Keywords: | 20‐hydroxyecdysone ecdysone agonist insect growth regulator insecticidal activity common cutworm Spodoptera litura chromafenozide |
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