CN115093343B - 一种蒎酮基肟酯类化合物、制备方法及应用 - Google Patents

一种蒎酮基肟酯类化合物、制备方法及应用 Download PDF

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CN115093343B
CN115093343B CN202210692032.7A CN202210692032A CN115093343B CN 115093343 B CN115093343 B CN 115093343B CN 202210692032 A CN202210692032 A CN 202210692032A CN 115093343 B CN115093343 B CN 115093343B
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高艳清
潘婷敏
雷鹏
陈光友
蔡崇林
马志卿
冯俊涛
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Abstract

本发明公开了一种蒎酮基肟酯类化合物、制备方法及应用。本发明将不同的肟引入蒎酮酸中,得到一类结构新颖的化合物。所述化合物的结构如式I所示:

Description

一种蒎酮基肟酯类化合物、制备方法及应用
技术领域
本发明属于病原菌控制技术领域,具体涉及一种蒎酮基肟酯类类化合物、制备方法及应用。
背景技术
我国是农业大国,由病原菌引起的植物病害,给我国农业生产造成了重大的经济损失。植物病原菌不仅会降低水果和蔬菜的质量,缩短储藏期;一些真菌还会产生毒素,有害人畜健康。如,由立枯丝核菌(Rhizoctoniasolani Kuhn)引起的水稻纹枯病是威胁水稻生产中的重要病害之一,可造成高达45%的产量损失(Margani R et al,Iop Conference,2018,142)。目前,植物病害的主要防治手段仍是化学防治,然而农药的广泛使用和无节制使用造成了抗药性、残留等问题。因此,发明一种低毒、环保、高效的杀菌剂势在必行。
相对低毒和环境风险较小的天然产物通常被用作发现新农药的先导化合物。松节油是世界上产量最大的天然单萜化合物,主要成分为α-蒎烯。在α-蒎烯的衍生物中,四元环类化合物是一类特殊的化合物,自然界中具有四元环结构的化合物往往具有很好的生物活性。由α-蒎烯可以氧化得到含四元环的蒎酮酸,近年来对蒎酮酸活泼基团—羧基和酮羰基进行改造,衍生出了许多具有农用活性的化合物。
肟类化合物(肟醚和肟酯)具有广泛的生物活性,包括抗肿瘤、除草、杀虫杀螨、抗病毒和抗真菌活性(Regnier T et al,Postharvest Biol.Tec.2009,2,254-258)。该类化合物还有高效、低毒、低残留等特点,作为一类活性物质在农药和医药领域得到广泛的应用。特别是,肟衍生物如吡唑醚菌酯、肟菌酯、烯肟菌胺等被用作商品杀菌剂,用于防治灰霉病菌、小麦赤霉病菌、小麦白粉等真菌病害。
为发现新型农用杀菌剂,发明人将不同肟类的化合物引入蒎酮酸中,得到一类结构新颖的化合物,并发现它们具有良好的防治植物病原菌的作用。目前尚没有本发明中蒎酮基肟酯类化合物的报道,为此,本发明公开了一类结构新颖的蒎酮基肟酯类化合物作为农用杀菌剂的应用。
发明内容
本发明的目的是提供一种蒎酮基肟酯类化合物、制备方法及应用。
一种蒎酮基肟酯类化合物,为式I所示的化合物;
Figure BDA0003700367730000021
R1选自氢、C1-C4烷基、C1-C4烷氧基、C3-C6环烷基、五元或六元芳族杂环和苯基中的一种;R1的取代方式为单取代或双取代;
R2选自氢、C1-C4烷基、C1-C4烷氧基、C3-C6环烷基、五元或六元芳族杂环和苯基中的一种;R2的取代方式为单取代或双取代。
一种蒎酮基肟酯类化合物,为式I所示的化合物;
Figure BDA0003700367730000022
式I中各取代基具体见下表:
Figure BDA0003700367730000023
Figure BDA0003700367730000031
Figure BDA0003700367730000041
一种蒎酮基肟酯类化合物的制备方法,所述的蒎酮基肟酯类化合物为权利要求1或2所述的蒎酮基肟酯类化合物;
包括以下步骤:将式II所示化合物与式III所示化合物于有机溶剂中反应,得到式I所示化合物;
Figure BDA0003700367730000042
可选的,在所述的有机溶剂中混入添加物,添加物选自4-二甲氨基吡啶、二环己基碳二亚胺和三乙胺中的一种;有机溶剂选自二氯甲烷、甲苯和乙酸乙酯中的一种。
可选的,所述反应的反应温度为-25~25℃,反应时间为5min~24h;
可选的,所述的式II所示化合物与式III所示化合物的摩尔比为1:(1~1.2)。
本发明任一所述的蒎酮基肟酯类化合物用于制备植物杀菌剂的应用。
可选的,所述的植物杀菌剂用于防治水稻纹枯病、番茄灰霉病、苹果腐烂病、小麦赤霉病、番茄枯萎病或黄瓜炭疽病。
本发明任一所述的制备方法制备得到的蒎酮基肟酯类类化合物用于制备植物杀菌剂的应用。
可选的,所述的植物杀菌剂用于防治水稻纹枯病、番茄灰霉病、苹果腐烂病、小麦赤霉病、番茄枯萎病或黄瓜炭疽病。
本发明的有益效果为:
本发明将不同的肟类化合物引入到由天然产物α-蒎烯衍生而来的蒎酮酸中,所得到的化合物结构新颖,且具有良好的杀菌活性,尤其对水稻纹枯病、番茄灰霉病、苹果腐烂病、小麦赤霉病、番茄枯萎病和黄瓜炭疽病具有明显的抑制效果。
附图说明
附图是用来提供对本公开的进一步理解,并且构成说明书的一部分,与下面的具体实施方式一起用于解释本公开,但并不构成对本公开的限制。在附图中:
图1为本发明化合物I-01的氢谱图;
图2为本发明化合物I-02的氢谱图;
图3为本发明化合物I-18的氢谱图;
图4为本发明化合物I-26的氢谱图。
具体实施方式
以下结合具体实例对本发明作进一步说明,但本发明并不限于这些实施例。所述方法,如无特别说明,均为常规方法。所述材料,如无特别说明,均能从公开商业途径获得。
本发明公开的蒎酮基肟酯类化合物,具有式I的结构通式;
Figure BDA0003700367730000051
R1选自氢、C1-C4烷基、C1-C4烷氧基、C3-C6环烷基、五元或六元芳族杂环和苯基中的一种;R1的取代方式为单取代或双取代;R2选自氢、C1-C4烷基、C1-C4烷氧基、C3-C6环烷基、五元或六元芳族杂环和苯基中的一种;R2的取代方式为单取代或双取代。
更加详细的,见表1中所列数据:
表1
Figure BDA0003700367730000061
Figure BDA0003700367730000071
Figure BDA0003700367730000081
以下如无特殊说明,所用的试剂比值均为体积比。
实施例1:化合物苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-01)的制备
Figure BDA0003700367730000082
在25mL单口瓶中加入苯甲醛肟(3mmol)、蒎酮酸酰氯(3mmol),二氯甲烷为溶剂,室温搅拌过夜。柱层析纯化(石油醚:乙酸乙酯=4:1),干燥后得到淡黄色固体0.68g,收率80%,熔点:46.5-47.6℃。1H NMR(400MHz,CDCl3)δ8.33(s,1H),7.74–7.68(m,2H),7.49–7.37(m,3H),2.92–2.86(m,1H),2.51–2.46(m,1H),2.46–2.38(m,2H),2.08–2.04(m,1H),2.03(s,3H),2.00–1.93(m,1H),1.35(s,2H),1.26–1.22(m,1H),0.89(s,3H)。
实施例2:化合物2-氯苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-02)的制备
Figure BDA0003700367730000083
在25mL单口瓶中依次加入蒎酮酸酰氯(3mmol)、2-氯苯甲醛肟(3mmol)以及二环己基碳二亚胺(3mmol),二氯甲烷为溶剂,室温过夜反应。柱层析纯化,干燥后得到浅黄色液体0.72g,收率75%。1H NMR(400MHz,CDCl3)δ8.79(s,1H),8.06(d,J=7.1Hz,1H),7.44–7.38(m,2H),7.33–7.29(m,1H),3.03–2.89(m,1H),2.70–2.52(m,1H),2.52–2.44(m,2H),2.09(s,1H),2.06(s,3H),2.04–1.96(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
实施例3:化合物2-氯,6-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-18)的制备
Figure BDA0003700367730000091
在25mL单口瓶中加入蒎酮酸酰氯(3mmol)、2-氯,6-氟苯甲醛肟(3mmol),三乙胺(3mmol),甲苯为溶剂,25℃反应5min。柱层析纯化(石油醚:乙酸乙酯=4:1),干燥后得到黄色液体0.61g,收率60%。1H NMR(400MHz,CDCl3)δ8.66(s,1H),7.41–7.34(m,1H),7.28(d,J=5.8Hz,1H),7.11(t,J=8.5Hz,1H),3.03–2.89(m,1H),2.61–2.52(m,1H),2.52–2.45(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.97(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
实施例4:化合物(E)-3-(4-氯苯基)丙烯醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-26)的制备
Figure BDA0003700367730000092
在25mL单口瓶中加入蒎酮酸酰氯(3mmol)、(E)-3-(4-氯苯基)丙烯醛肟(3.6mmol)、4-二甲氨基吡啶(3mmol),10ml乙酸乙酯,-25℃搅拌24h。柱层析纯化(石油醚:乙酸乙酯=4:1),干燥后得到黄色固体0.62g,收率60%,熔点:63.6-64.2℃。1H NMR(400MHz,CDCl3)δ8.20–8.11(m,1H),7.47–7.35(m,4H),6.98(d,J=7.7Hz,2H),2.97–2.90(m,1H),2.54–2.48(m,1H),2.49–2.40(m,2H),2.14–2.05(m,4H),2.04–1.97(m,1H),1.39(s,3H),0.93(s,3H)。
按照与上述制备化合物I-02相同的方法,将R2用各种肟进行替换,与蒎酮酸酰氯反应即可得相应产物I-03~I-17,I-19~I-25,化合物的外观、熔点、收率及1H NMR谱数据如下所示。
化合物3-氯苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-03):浅黄色固体;收率73%;熔点:66.4-67.5℃;1H NMR(400MHz,CDCl3)δ8.32(s,1H),7.77(s,1H),7.59(d,J=7.7Hz,1H),7.44(d,J=8.1Hz,1H),7.37(t,J=7.8Hz,1H),3.03–2.90(m,1H),2.60–2.49(m,1H),2.48–2.40(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.94(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.91(s,2H)。
化合物4-氯苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-04):浅黄色固体;收率75%;熔点:83.2-84.1℃;1H NMR(400MHz,CDCl3)δ8.32(s,1H),7.68(d,J=8.6Hz,2H),7.41(d,J=8.5Hz,2H),3.01–2.88(m,1H),2.67–2.50(m,1H),2.49–2.41(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.96(m,1H),1.38(s,2H),1.25(s,1H),1.08(s,1H),0.91(s,2H)。
化合物2-溴苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-05):浅黄色液体;收率60%;1H NMR(400MHz,CDCl3)δ8.77(s,1H),8.09–8.01(m,1H),7.64–7.59(m,1H),7.39–7.30(m,2H),3.03–2.88(m,1H),2.71–2.52(m,1H),2.51–2.43(m,3H),2.09(s,1H),2.07(s,3H),2.04–1.97(m,1H),1.39(s,2H),1.26(s,1H),1.09(s,1H),0.92(s,2H)。
化合物3-溴苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-06):浅黄色固体;收率75%;熔点:54.2-55.7℃;1H NMR(400MHz,CDCl3)δ8.30(s,1H),7.93(s,1H),7.66–7.58(m,2H),7.33–7.28(m,1H),3.04–2.89(m,1H),2.68–2.51(m,1H),2.51–2.40(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.96(m,1H),1.38(s,2H),1.27(s,1H),1.08(s,1H),0.91(s,2H)。
化合物4-溴苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-07):浅黄色固体;收率73%;熔点:65.2-67.1℃;1H NMR(400MHz,CDCl3)δ8.31(s,1H),7.59(q,J=8.7Hz,4H),3.03–2.89(m,1H),2.67–2.50(m,1H),2.50–2.40(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.94(m,1H),1.38(s,2H),1.25(s,1H),1.08(s,1H),0.91(s,2H)。
化合物2-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-08):浅黄色液体;收率71%;1H NMR(400MHz,CDCl3)δ8.63(s,1H),8.02(t,J=7.4Hz,1H),7.53–7.43(m,1H),7.20(t,J=7.6Hz,1H),7.15–7.09(m,1H),3.01–2.89(m,1H),2.68–2.51(m,1H),2.49–2.43(m,2H),2.09(s,1H),2.07(s,3H),2.03–1.97(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
化合物3-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-09):浅黄色固体;收率65%;熔点:51.2-52.4℃;1H NMR(400MHz,CDCl3)δ8.33(s,1H),7.54–7.46(m,2H),7.44–7.37(m,1H),7.22–7.14(m,1H),3.02–2.90(m,1H),2.70–2.51(m,1H),2.51–2.41(m,2H),2.09(s,1H),2.07(s,3H),2.03–1.95(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
化合物4-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-10):浅黄色固体;收率63%;熔点:61.2-62.9℃;1H NMR(400MHz,CDCl3)δ8.33(s,1H),7.78–7.72(m,2H),7.12(t,J=8.7Hz,2H),3.03–2.90(m,1H),2.60–2.49(m,1H),2.49–2.40(m,2H),2.09(s,1H),2.06(s,3H),2.01–1.95(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.91(s,2H)。
化合物2-甲基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-11):浅黄色液体;收率68%;1H NMR(400MHz,CDCl3)δ8.62(s,1H),7.88–7.80(m,1H),7.41–7.31(m,1H),7.23(t,J=8.4Hz,2H),3.04–2.87(m,1H),2.54–2.49(m,1H),2.47(s,4H),2.45–2.41(m,1H),2.09(s,1H),2.06(s,3H),2.03–1.97(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
化合物3-甲基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-12):浅黄色液体;收率71%;1H NMR(400MHz,CDCl3)δ8.32(s,1H),7.60(s,1H),7.48(d,J=7.3Hz,1H),7.33–7.27(m,2H),3.02–2.88(m,1H),2.68–2.49(m,1H),2.49–2.40(m,2H),2.37(s,3H),2.08(s,1H),2.05(s,3H),2.00–1.93(m,1H),1.37(s,2H),1.25(s,1H),1.07(s,1H),0.91(s,2H)。
化合物4-甲基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-13):浅黄色液体;收率71%;1H NMR(400MHz,CDCl3)δ8.31(s,1H),7.62(d,J=8.1Hz,2H),7.23(d,J=7.9Hz,2H),3.03–2.86(m,1H),2.55–2.48(m,1H),2.48–2.43(m,2H),2.39(s,3H),2.08(s,1H),2.06(s,3H),2.02–1.94(m,1H),1.38(s,2H),1.25(s,1H),1.08(s,1H),0.91(s,3H)。
化合物4-甲氧基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-14):浅黄色固体;收率78%;熔点:65.2-66.8℃。
化合物4-氰基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-15):浅黄色固体;收率77%;熔点:62.5-65.1℃。
化合物4-硝基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-16):浅黄色固体;收率69%;熔点:69.5-70.6℃。
化合物2,4-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-17):浅黄色液体;收率78%;1H NMR(400MHz,CDCl3)δ8.56(s,1H),8.09–8.01(m,1H),7.00–6.91(m,1H),6.91–6.84(m,1H),3.03–2.89(m,1H),2.68–2.50(m,1H),2.50–2.43(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.96(m,1H),1.38(s,3H),1.08(s,1H),0.92(s,3H)。
化合物2-氯,6-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-18):浅黄色液体;收率76%;1H NMR(400MHz,CDCl3)δ8.66(s,1H),7.41–7.34(m,1H),7.28(d,J=5.8Hz,1H),7.11(t,J=8.5Hz,1H),3.03–2.89(m,1H),2.61–2.52(m,1H),2.52–2.45(m,2H),2.09(s,1H),2.06(s,3H),2.03–1.97(m,1H),1.38(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
化合物5-溴,2-氟苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-19):浅黄色固体;收率61%;熔点:75.2-77.1℃;1H NMR(400MHz,CDCl3)δ8.55(s,1H),8.20–8.12(m,1H),7.60–7.52(m,1H),7.03(t,J=9.2Hz,1H),3.04–2.89(m,1H),2.58–2.50(m,1H),2.50–2.42(m,2H),2.09(s,1H),2.07(s,3H),2.03–1.95(m,1H),1.39(s,2H),1.26(s,1H),1.08(s,1H),0.92(s,2H)。
化合物3,5-三氟甲基苯甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-20):浅黄色液体;收率65%;1H NMR(400MHz,CDCl3)δ8.46(s,1H),8.21(s,2H),8.00(d,J=15.6Hz,1H),3.04–2.91(m,1H),2.60–2.53(m,1H),2.51–2.44(m,2H),2.10(s,1H),2.08(s,3H),2.03–1.95(m,1H),1.40(s,2H),1.27(s,1H),1.09(s,1H),0.93(s,2H)。
化合物噻吩-2甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-21):浅黄色液体;收率44%;1H NMR(400MHz,CDCl3)δ8.50(s,1H),7.50(d,J=5.0Hz,1H),7.41(d,J=3.7Hz,1H),7.13–7.07(m,1H),3.01–2.87(m,1H),2.53–2.46(m,1H),2.46–2.39(m,2H),2.09(s,1H),2.06(s,3H),2.01–1.95(m,1H),1.37(s,3H),0.91(s,3H)。
化合物3-溴噻吩-2甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-22):浅黄色液体;收率45%;1H NMR(400MHz,CDCl3)δ8.56(s,1H),7.47(d,J=5.3Hz,1H),7.06(d,J=5.3Hz,1H),3.01–2.89(m,1H),2.56–2.47(m,1H),2.47–2.40(m,2H),2.09(s,1H),2.06(s,3H),2.02–1.96(m,1H),1.38(s,2H),1.25(s,1H),1.08(s,1H),0.91(s,2H)。
化合物3-甲基噻吩-2甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-23):浅黄色液体;收率43%;1H NMR(400MHz,CDCl3)δ8.53(s,1H),7.38(d,J=5.0Hz,1H),6.90(d,J=5.1Hz,1H),3.00–2.89(m,1H),2.48(d,J=7.1Hz,1H),2.46–2.39(m,2H),2.37(s,3H),2.06(s,3H),2.04(d,J=3.2Hz,1H),2.02–1.96(m,1H),1.38(s,3H),0.91(s,3H)。
化合物5-氯噻吩-2甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-24):浅黄色液体;收率50%。
化合物5-硝基噻吩-2甲醛O-(2-((1S,3S)-3-乙酰基-2,2-二甲基环丁基)乙酰)肟(I-25):浅黄色固体;收率48%;熔点:101.4-102.5℃.;1H NMR(400MHz,CDCl3)δ8.44(s,1H),7.91–7.87(m,1H),7.34(d,J=4.2Hz,1H),2.97–2.90(m,1H),2.56–2.49(m,1H),2.49–2.44(m,2H),2.07(s,3H),2.05(s,1H),2.03–1.97(m,1H),1.38(s,2H),1.25(s,1H),1.08(s,1H),0.91(s,2H)。
实施例5:式I化合物对6种植物病原菌的抑制活性
式I化合物杀菌活性测定采用菌丝生长速率法进行。供试菌种为水稻纹枯病、番茄灰霉病、苹果腐烂病、小麦赤霉病、番茄枯萎病和黄瓜炭疽病。
分别称取式I化合物,用二甲基亚砜配制成浓度为10000mg/L的母液,分别用移枪吸取上述制备好的10000mg/L的母液,加入到已灭菌、冷却的马铃薯葡萄糖琼脂(PDA)培养基中,混匀后,制备成50mg/L带药培养基,倒入直径为9cm的培养皿中,每皿15mL,每个药剂3次重复。待皿中带药培养基冷凝后,制成带药PDA平板。设二甲基亚砜为溶剂空白对照。将培养好的病原菌平板,沿菌落边缘用打孔器制备成直径0.5cm的菌饼,分别接种于带药和空白对照PDA平板中,置于25℃培养箱中黑暗培养。等空白对照PDA平板中菌落充分生长后,以十字交叉法测量各处理的菌落直径,取其平均值。
用以下公式计算菌丝生长抑制率:
Figure BDA0003700367730000131
化合物离体杀菌活性数据见表2。
表2式I化合物的离体杀菌活性结果(抑制率%)
Figure BDA0003700367730000132
Figure BDA0003700367730000141
注:+表示化合物对病原菌的抑制率为0~40%,++表示化合物对病原菌的抑制率为41~79%,+++表示化合物对病原菌的抑制率为80%~100%。
从上表可以看出,本发明提供的式Ⅰ化合物对所测试的6种植物病原菌均具有一定的抑制活性。其中,化合物I-02、I-05、I-18、I-19和I-23对水稻纹枯病菌的抑制率在80%以上;化合物I-02、I-05、I-18、I-19、I-23和I-25对番茄灰霉病菌的抑制率在80%以上;化合物I-23对小麦赤霉病菌的抑制率在80%以上;化合物I-05和I-23对苹果腐烂病菌的抑制率在80%以上;化合物I-23对番茄枯萎病菌的抑制率在80%以上。
数据表明,式I化合物对水稻纹枯病菌、番茄灰霉病菌、苹果腐烂病菌、小麦赤霉病菌、番茄枯萎病菌和黄瓜炭疽病菌具有较好的抑制作用,可以作为杀菌剂用于上述植物病原菌的防治。
以上详细描述了本公开的优选实施方式,但是,本公开并不限于上述实施方式中的具体细节,在本公开的技术构思范围内,可以对本公开的技术方案进行多种简单变型,这些简单变型均属于本公开的保护范围。
另外需要说明的是,在上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何合适的方式进行组合,为了避免不必要的重复,本公开对各种可能的组合方式不再另行说明。
此外,本公开的各种不同的实施方式之间也可以进行任意组合,只要其不违背本公开的思想,其同样应当视为本公开所公开的内容。

Claims (7)

1.一种蒎酮基肟酯类化合物,其特征在于,为式I所示的化合物;
Figure FDA0004240040770000011
式I中各取代基具体见下表:
Figure FDA0004240040770000012
Figure FDA0004240040770000021
Figure FDA0004240040770000031
2.一种蒎酮基肟酯类化合物的制备方法,其特征在于,所述的蒎酮基肟酯类化合物为权利要求1所述的蒎酮基肟酯类化合物;
包括以下步骤:将式II所示化合物与式III所示化合物于有机溶剂中反应,得到式I所示化合物;
Figure FDA0004240040770000032
3.根据权利要求2所述的蒎酮基肟酯类化合物的制备方法,其特征在于,在所述的有机溶剂中混入添加物,添加物选自4-二甲氨基吡啶、二环己基碳二亚胺和三乙胺中的一种;有机溶剂选自二氯甲烷、甲苯和乙酸乙酯中的一种。
4.根据权利要求2或3所述的蒎酮基肟酯类化合物的制备方法,其特征在于,所述反应的反应温度为-25~25℃,反应时间为5min~24h;
5.根据权利要求2或3所述的蒎酮基肟酯类化合物的制备方法,其特征在于,所述的式II所示化合物与式III所示化合物的摩尔比为1:(1~1.2)。
6.权利要求1所述的蒎酮基肟酯类化合物用于制备植物杀菌剂的应用。
7.根据权利要求6所述的应用,所述的植物杀菌剂用于防治水稻纹枯病、番茄灰霉病、苹果腐烂病、小麦赤霉病、番茄枯萎病或黄瓜炭疽病。
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AU2018390864A1 (en) * 2017-12-20 2020-06-18 Syngenta Participations Ag Methods of controlling or preventing infestation of vegetable, tomato and potato plants by phytopathogenic microorganisms
CN113816902A (zh) * 2020-06-18 2021-12-21 西北农林科技大学 一种肟醚(酯)类化合物、制备方法及应用
CN114213311A (zh) * 2021-12-27 2022-03-22 浙江工业大学 一种取代苯甲醛肟酯类化合物及其制备方法和应用

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AU2018390864A1 (en) * 2017-12-20 2020-06-18 Syngenta Participations Ag Methods of controlling or preventing infestation of vegetable, tomato and potato plants by phytopathogenic microorganisms
CN113816902A (zh) * 2020-06-18 2021-12-21 西北农林科技大学 一种肟醚(酯)类化合物、制备方法及应用
CN114213311A (zh) * 2021-12-27 2022-03-22 浙江工业大学 一种取代苯甲醛肟酯类化合物及其制备方法和应用

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