第 51 卷第 5 期 |  | Vol. 51 No. 5 | 2021 年 10 月 | Oct 2021 |
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所屬欄目:農藥及中間體
三氟苯嘧啶的合成、晶體表征與殺蟲(chóng)活性 |
王 杰1,史云蓮1,周文鴻1,羅麗莎1,鄧宇聰1,聶旭亮1,2,彭大勇1,2*
(1. 江西農業(yè)大學(xué) 化學(xué)系,江西 南昌 330045;2. 南昌市植物資源化學(xué)利用重點(diǎn)實(shí)驗室,江西 南昌 330045) |
摘 要:三氟苯嘧啶(1)是美國杜邦公司開(kāi)發(fā)的新型介離子型嘧啶酮類(lèi)殺蟲(chóng)劑,探索了其合成方法,并表征了晶體結構,測試了其對豇豆蚜蟲(chóng)的殺蟲(chóng)活性。以間三氟甲基苯乙酸、2-氨基吡啶為起始原料,經(jīng)4步反應成功合成目標化合物三氟苯嘧啶,并經(jīng)核磁和X-射線(xiàn)單晶衍射確證其結構,總收率為12.7%。室內殺蟲(chóng)測試結果表明:三氟苯嘧啶對豇豆蚜蟲(chóng)的LC50 為9.76 mg/L。 |
關(guān)鍵詞:三氟苯嘧啶;合成;晶體表征;殺蟲(chóng)活性 |
中圖分類(lèi)號:TQ453 文獻標識碼:A 文章編號:1009-9212(2021)05-0014-06 |
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The Synthesis, Crystal Characterization and Insecticidal Activity of Triflumezopyrim |
WANG Jie1, SHI Yun-lian1, ZHOU Wen-hong1, LUO Li-sha1, DENG Yu-cong1, NIE Xu-liang1,2, PENG Da-yong1,2*
(1. Department of Applied Chemistry, Jiangxi Agricultural University, Nanchang 330045,China;2.Nanchang Key Laboratory of Chemical Utilization of Plant Resources, Nanchang 330045,China) |
Abstract:Triflumezopyrim(1) is a new mesoionic pyrimidinones insecticide developed by DuPont. The synthetic method for Triflumezopyrim was explored, and its crystal structure was characterized while its insecticidal activities against cowpea aphids were also tested. Triflumezopyrim was synthesized successfully using 2-[3-(trifluoromethyl) phenyl] acetic acid and 2-aminopyridine as the starting materials through a four-step process. Meanwhile, the structural characterization of Triflumezopyrim was performed using NMR and X-ray diffraction. The total yield of Triflumezopyrim was 12.7%. And the insecticidal assays indicated that LC50 of Triflumezopyrim against cowpea aphids was 9.76 mg/L. |
Key words:Triflumezopyrim; synthesis; crystal characterization; insecticidal activities |
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基金項目:“十三·五”國家重點(diǎn)研發(fā)計劃(2017YFD0301604),國家自然科學(xué)基金項目(21562022)。
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作者簡(jiǎn)介:王 杰(1999—),男,四川綿陽(yáng)人,碩士研究生,研究方向:農藥合成(E-mail:wangjie951127@163.com)。
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聯(lián) 系 人:彭大勇,副教授,研究方向:綠色農藥設計與合成(E-mail:dayongpeng@163.com)。
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收稿日期:2021-08-03
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