The trifluoromethyl transformation synthesis,crystal structure and insecticidal activities of novel 2-pyrrolecarboxamide and 2-pyrrolecarboxlate |
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Authors: | Yongqiang Li Pengxiang Zhang Qiaoqiao Ma Haibin Song Yuxiu Liu Qingmin Wang |
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Institution: | State Key Laboratory of Elemento-Organic Chemistry, Institute of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, People’s Republic of China |
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Abstract: | Two series of 2-phenylpyrroles: 3-bromo-5-(4-chlorophenyl)-4-cyanopyrrole-2-carboxamide (5a–5d) and 3-bromo-5-(4-chlorophenyl)-4-cyanopyrrole-2-carboxylate (6a–6c) were synthesized by a novel trifluoromethyl transformation. The result of insecticidal bioassays indicated that 6a–6c had moderate larvicidal activity against oriental armyworm and 6b also had good acaricidal activity, so 3-bromo-5-(4-chlorophenyl)-4-cyanopyrrole-2-carboxylate derivatives were expected to become lead compounds for new pesticides. |
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