CN114591230A - 一种环己烯酮类化合物及其应用和一种农药除草剂 - Google Patents
一种环己烯酮类化合物及其应用和一种农药除草剂 Download PDFInfo
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- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
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Abstract
本发明涉及农药除草剂领域,公开了一种环己烯酮类化合物及其应用和一种农药除草剂,该化合物具有式(I)所示的结构。本发明提供的环己烯酮类化合物具有优异的作物安全性和优异的除草效果。
Description
技术领域
本发明涉及农药化合物领域,具体涉及一种环己烯酮类化合物及其应用和一种除草剂。
背景技术
环己烯酮类除草剂是除草剂中非常重要的一类,此类除草剂最早开发于20世纪60年代,通过抑制乙酰辅酶A羧化酶(ACCase),破坏脂肪酸的生物合成,来除掉杂草。此类除草剂是一种高效安全、高选择性的ACCase抑制剂,对于大多数一年生和多年生的禾本科杂草有特效,但有些在提高用量浓度时,会对水稻等农作物产生较严重的药害,因此一方面可以通过混合使用几种除草剂来解决这些问题,另一方面需要进一步地开展分子优化,以期获得更高活性的化合物,能够克服这些缺陷。
随着现有除草剂的大量使用,杂草抗性问题越来越严重,有些杂草已成为现有除草剂难以防除的杂草;同时,有些现有除草剂对作物的安全性不高,容易对作物造成要害,因此,需要不断开发新的、安全性高的除草剂。
发明内容
本发明为了弥补现有技术的不足,提供了一种除草活性高、对作物安全的环己烯酮类化合物及其制备方法与应用。
发明人发现,在环己烯酮的羟基上引入基团,能够提高本发明的化合物对水稻等作物的选择性,有利于增强化合物的作物安全性。
为了实现上述目的,本发明的第一方面提供一种羟基位置修饰的环己烯酮类化合物,该化合物具有式(I)所示的结构,
式(I)中,m个R各自独立地选自C1-6烷基、卤素、C1-6卤烷基、C1-6烷氧基、C1-6卤烷氧基、C1-6烯基、取代或未取代的苯基、取代或未取代的苯氧基、取代或未取代的苄氧基、取代或未取代的胺基、硝基、环己烷和硫烷基,m为0-5的整数;
R1选自H、C1-6烷基、取代或未取代的苄基、取代或未取代的烃基羰基、烷氧基羰基、苯基烷氧基羰基、苯氧基烷基羰基、烷基酯基羰基、取代或未取代的苯基羰基、取代或未取代的杂环基羰基和取代的磺酸基;
R2和R3各自独立的选自CH3、CH3CH2、CH3CH2CH2、(CH3)2CH2、CH3CH2CH2CH2、(CH3)2CH2CH2或CH3CH(CH3)CH2。
其优选的技术方案为:
m个R各自独立地选自卤素、C1-3卤烷基、C1-3烷氧基、C1-3卤烷氧基、C1-3烯基、取代或未取代的苯基(卤素或卤烷基取代)、取代或未取代的苯氧基(卤素或卤烷基取代)、取代或未取代的苄氧基(卤素或卤烷基取代)、取代或未取代的胺基、硝基、环己烷和硫烷基,m为0-5的整数;
R1选自H、C1-4烷基、取代或未取代的苄基(卤素或卤烷基取代)、取代或未取代的烃基羰基(卤素或卤烷基取代)、烷氧基羰基、苯基烷氧基羰基、苯氧基烷基羰基、烷基酯基羰基、卤素取代或未取代的苯基羰基、取代或未取代的杂环基羰基(杂环包括吡啶、吡唑、呋喃、四氢呋喃、噻吩和喹啉)和取代的磺酸基;
R2和R3各自独立的选自CH3、CH3CH2、CH3CH2CH2。
更优选的,该化合物选自以下化合物中的任意一种:
本发明对合成式(I)所示的环己烯酮类化合物的制备方法没有特别的限定,本领域技术人员根据本发明提供的化合物结构结合领域内的合成方法能够获得合适的制备式(I)所示的环己烯酮类化合物的方法,本发明在此不再一一赘述。
例如,本发明的通式(Ⅰ)化合物可由如下方法制备,式中R、R1、R2、R3基团定义同前。
当R1为前述取代基时,本发明化合物可以以I-1为原料,与相应的酰氯反应制得。反应可以在惰性溶剂中进行,在某些时候,可以加入无机碱如碳酸钠,或者有机碱如三乙胺等促进反应的完全。
本发明的第二方面提供第一方面所述的环己烯酮类化合物在防治田间农作物杂草中的应用。
在本发明的前述应用中,所述田间农作物为玉米,小麦、水稻、大豆和油菜中的至少一种。
在本发明的前述应用中,所述杂草包括狗尾草、稗草、千金子、马唐、节节麦、雀麦、看麦娘、牛筋草中的至少一种。
第三方面,本发明提供第一方面所述的环己烯酮类化合物作为农药除草剂的应用。
第四方面,本发明提供了一种农药除草剂,该除草剂由活性成分和辅料组成,所述活性成分包括本发明第一方面中所述的环己烯酮类化合物中的至少一种。
优选地,所述活性成分的含量为1~99.9999重量%。
优选地,所述辅料包括选自乳化剂、分散剂、润湿剂、展着剂、稳定剂、消泡剂、增效剂、渗透剂、粘着剂、防腐剂、抗冻剂、崩解剂、安全剂、溶剂、助溶剂、载体和填料中的至少一种添加剂。
优选情况下,所述农药除草剂的剂型选自乳油、悬浮剂、可湿性粉剂、粉剂、粒剂、水剂、毒饵、母液和母粉中的至少一种。
所述悬浮剂例如可以包括干悬浮剂、可分散油悬浮剂和水乳剂。
本发明对制备所述农药除草剂的方法没有特别的限制,本领域技术人员可以采用农药领域内常规的制备方法进行制备以形成相应的试剂。
本发明所述的农药除草剂包括但不限于通过例如喷雾的方法用于农作物。
本发明提供的环己烯酮类化合物及含有该环己烯酮类化合物的农药除草剂具有该类除草剂的全部优点,并且具有环境友好,后茬作物安全、用量低、时效性好、杀草谱广、安全性高等优点。
特别地,本发明提供的环己烯酮类化合物对玉米、小麦和水稻表现出了优良的作物安全性。
以下将通过实例对本发明进行详细描述。
具体实施方式
下列合成实例、生测试验结果可用来进一步说明本发明,但不意味着限制本发明。
合成实例1:化合物22的合成
步骤1:
在5℃下,于1L反应瓶中加入对甲苯磺酸0.31mol、L-乳酸甲酯0.405mol、三乙胺0.325mol、4-二甲氨基吡啶0.015mol,300mL甲苯溶解,搅拌,缓慢升温至室温,继续搅拌。约4h后HPLC监控反应进度,反应完毕后,水洗,分层,脱溶,得中间体1,为红色液体78.5g,收率93.3%。
步骤2:
在20℃下,于500mL反应瓶中加入0.15mol中间体1、对氯苯酚0.15mol、无水碳酸钾0.3mol和240g石油醚,搅拌,缓慢升温至回流,回流保温8h后,HPLC监控反应进度,反应完毕后,水洗,分层,脱溶,得中间体2,为棕色液体50g,收率85.8%。
步骤3:
在10℃下,于500mL反应瓶中加入0.12mol中间体2、硼氢化钠0.25mol、无水氯化钙0.01mol、165g甲苯和165g乙醇,搅拌,缓慢升温至30℃,保温7h后,HPLC监控反应进度,反应完毕后,水洗,分层,脱溶,得中间体3,为棕色液体36g,收率88.1%。
步骤4:
在5℃下,于500mL反应瓶中加入0.08mol中间体3和150g甲苯,搅拌至全溶,在10℃下滴加入0.09mol三乙胺,滴毕,在20℃于1小时内滴加入0.09mol甲磺酰氯,滴完,缓慢升温至30℃,保温3h后,HPLC监控反应进度,反应完毕后,水洗,分层,脱溶,得中间体4,为褐色液体26g,收率84.4%。
步骤5:
在25℃下,于500mL反应瓶中加入0.07mol中间体4、0.08mol邻苯二甲酰亚胺、无水碳酸钠0.04mol、208g DMF,搅拌,升温至80℃,保温6h后,HPLC监控反应进度,反应完毕后,减压脱溶,加水,甲苯萃取,分层,水洗,分层,脱溶,得中间体3,为棕色液体33g,收率64.1%。
步骤6:
在5℃下,于500mL反应瓶中加入0.07mol中间体5和150g二氯甲烷,搅拌至全溶,在10℃下滴加入0.13mol水合肼,滴毕,在20℃保温5小时后,HPLC监控反应进度,反应完毕后,抽滤,二氯甲烷洗滤饼,抽滤,烘干得中间体6,白色固体7.5g,收率41.1%。
步骤7:
在15℃下,于100mL反应瓶中加入0.01mol中间体6、0.01mol丁酰三酮和30g石油醚,搅拌,升温至30℃,保温6h后,HPLC监控反应进度,反应完毕后,加水,分层,脱溶,得I-1,为棕色液体5.8g,收率88.9%。
步骤8:
于100mL反应瓶中加入0.03mol I-1、0.04mol三乙胺和50g二氯甲烷,搅拌,降温至0℃,滴加0.045mol乙酰氯,滴毕,缓慢自然升温至室温,保温1h,反应完毕后,加水,分层,无水硫酸镁干燥,过滤,母液脱溶,得化合物22,收率70.6%。
采用前述相似的方法合成本发明的其他化合物,部分化合物的表征数据如下:
化合物1:1H NMR(400MHz,CDCl3)δ8.92(s,1H),8.68(d,1H),7.35(d,2H),7.06(d,2H),7.49(m,1H),8.11(d,1H),1.68(m,1H),3.02-2.77(m,2H),2.32-2.07(m,2H),2.56(m,1H),2.51(m,2H),3.82(m,1H),4.28-3.98(m,2H),1.72(m,2H),2.33(t,2H),1.77(m,2H),1.50(d,3H),1.35(t,3H),1.53(d,3H),1.17(t,3H).
化合物2:1H NMR(400MHz,CDCl3)δ8.78(d,1H),7.52(d,2H),7.26(d,2H),7.97(m,1H),8.51(d,1H),1.78(m,1H),3.22-2.93(m,2H),2.22-2.05(m,2H),2.76(m,1H),2.71(m,2H),4.02(m,1H),4.22-4.00(m,2H),1.77(m,2H),2.39(t,2H),1.57(m,2H),1.52(d,3H),1.39(t,3H),1.58(d,3H),1.27(t,3H).
化合物3:1H NMR(400MHz,CDCl3)δ8.98(s,1H),8.74(s,1H),7.42(d,2H),7.20(d,2H),8.17(s,1H),1.88(m,1H),3.28-2.96(m,2H),2.12-1.96(m,2H),2.78(m,1H),2.69(m,2H),4.00(m,1H),4.17-3.90(m,2H),1.75(m,2H),2.37(s,3H),2.29(t,2H),1.60(m,2H),1.42(d,3H),1.35(t,3H),1.57(d,3H),1.17(t,3H).
化合物4:1H NMR(400MHz,CDCl3)δ8.96(s,1H),8.81(s,1H),7.37(d,2H),7.20(d,2H),8.21(s,1H),1.85(m,1H),3.26-2.92(m,2H),2.15-1.92(m,2H),2.76(m,1H),2.67(m,2H),4.01(m,1H),4.18-3.92(m,2H),2.78(m,2H),1.70(m,2H),2.27(t,2H),1.63(m,2H),1.41(d,3H),1.33(t,3H),1.52(d,3H),1.37(t,3H),1.18(t,3H).
化合物5:1H NMR(400MHz,CDCl3)δ8.95(s,1H),7.62(d,1H),7.42(d,2H),7.22(d,2H),8.40(d,1H),1.86(m,1H),3.27-2.94(m,2H),2.17-1.96(m,2H),2.75(m,1H),2.68(m,2H),4.02(m,1H),4.19-3.93(m,2H),1.71(m,2H),2.28(t,2H),1.66(m,2H),1.42(d,3H),1.34(t,3H),1.53(d,3H),1.19(t,3H).
化合物6:1H NMR(400MHz,CDCl3)δ8.96(s,1H),8.84(s,1H),7.42(d,2H),7.22(d,2H),8.41(s,1H),1.87(m,1H),3.28-2.96(m,2H),2.18-1.97(m,2H),2.76(m,1H),2.68(m,2H),4.92(s,2H),3.90(m,1H),4.19-3.92(m,2H),3.36(s,3H),1.71(m,2H),2.26(t,2H),1.65(m,2H),1.42(d,3H),1.34(t,3H),1.53(d,3H),1.18(t,3H).
化合物7:1H NMR(400MHz,CDCl3)δ8.98(d,1H),7.52(d,2H),7.23(d,2H),8.47(d,1H),8.18(m,2H),1.87(m,1H),3.28-2.96(m,2H),2.19-1.98(m,2H),2.77(m,1H),2.68(m,2H),4.02(m,1H),4.22-3.92(m,2H),1.72(m,2H),2.27(t,2H),1.66(m,2H),1.43(d,3H),1.35(t,3H),1.54(d,3H),1.19(t,3H).
化合物8:1H NMR(400MHz,CDCl3)δ8.96(d,2H),7.53(d,2H),7.23(d,2H),8.12(d,2H),1.86(m,1H),3.28-2.96(m,2H),2.19-1.98(m,2H),2.76(m,1H),2.67(m,2H),4.06(m,1H),4.22-3.93(m,2H),1.72(m,2H),2.26(t,2H),1.66(m,2H),1.45(d,3H),1.33(t,3H),1.55(d,3H),1.18(t,3H).
化合物9:1H NMR(400MHz,CDCl3)δ8.88(s,1H),8.02(s,1H),7.52(d,2H),7.22(d,2H),1.85(m,1H),3.27-2.96(m,2H),2.20-1.97(m,2H),2.75(m,1H),2.66(m,2H),4.02(m,1H),4.22-3.92(m,2H),4.12(s,3H),1.70(m,2H),2.22(t,2H),1.65(m,2H),1.44(d,3H),1.32(t,3H),1.53(d,3H),1.17(t,3H).
化合物10:1H NMR(400MHz,CDCl3)δ8.00(s,1H),7.51(d,2H),7.23(d,2H),1.86(m,1H),3.26-2.95(m,2H),2.21-1.98(m,2H),2.76(m,1H),2.65(m,2H),4.03(m,1H),4.23-3.93(m,2H),4.49(m,2H),3.57(s,3H),1.71(m,2H),2.21(t,2H),1.66(m,2H),1.43(d,3H),1.33(t,3H),1.50(d,3H),1.53(t,3H),1.18(t,3H).
化合物11:1H NMR(400MHz,CDCl3)δ7.40(s,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),4.09(s,3H),2.22(s,3H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物12:1H NMR(400MHz,CDCl3)δ7.41(s,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),4.10(m,2H),2.22(s,3H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.37(d,3H),1.16(t,3H).
化合物13:1H NMR(400MHz,CDCl3)δ7.87(d,1H),6.80(d,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),4.12(s,3H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物14:1H NMR(400MHz,CDCl3)δ7.88(d,1H),6.82(d,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),4.13(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.38(t,3H),1.16(t,3H).
化合物15:1H NMR(400MHz,CDCl3)δ8.01(d,1H),7.75(d,1H),6.81(m,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物16:1H NMR(400MHz,CDCl3)δ4.62(t,1H),3.86-3.75(m,2H),2.29-2.01(m,2H),1.95-1.84(m,2H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物17:1H NMR(400MHz,CDCl3)δ7.91(d,1H),8.07(d,1H),7.26(m,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物18:1H NMR(400MHz,CDCl3)δ9.37(s,1H),8.86(s,1H),8.47(d,1H),8.67(d,1H),7.94(m,1H),7.85(m,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物19:1H NMR(400MHz,CDCl3)δ8.21(d,2H),7.86(t,1H),7.68(m,2H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物20:1H NMR(400MHz,CDCl3)δ8.11(d,2H),7.78(d,2H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物21:1H NMR(400MHz,CDCl3)δ8.06(sd,2H),8.01(s,1H),7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物22:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),2.22(s,3H),1.43(d,3H),1.16(t,3H).
化合物23:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.46(m,2H),2.21(t,2H),1.65(m,2H),1.43(d,3H),1.30(t,3H),1.47(d,3H),1.22(t,3H),1.16(t,3H).
化合物24:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.36(t,2H),2.21(t,2H),1.65(m,2H),1.63(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.18(t,3H),1.16(t,3H).
化合物25:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.36(t,2H),2.21(t,2H),1.69(m,2H),1.62(m,2H),1.46(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.18(t,3H),1.13(t,3H).
化合物26:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.36(t,2H),2.21(t,2H),1.68(m,2H),1.36(m,2H),1.62(m,2H),1.34(m,2H),1.35(d,3H),1.30(t,3H),1.43(d,3H),1.18(t,3H),1.08(t,3H).
化合物27:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.46(m,1H),2.25(d,2H),2.21(t,2H),1.62(m,2H),1.34(d,3H),1.25(t,3H),1.43(d,3H),1.12(d,6H),1.18(t,3H).
化合物28:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),1.32(s,9H).
化合物29:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),1.30(s,6H),1.56(m,2H),0.96(t,3H).
化合物30:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),2.39(t,2H),1.56(m,2H),1.70(m,1H),0.99(d,6H).
化合物31:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),2.31-2.06(d,2H),2.19(m,1H),1.61(m,2H),1.05(t,3H),1.01(d,3H).
化合物32:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),2.20(m,1H),1.56(m,4H),1.37(m,4H),0.98(t,6H).
化合物33:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),2.19(m,1H),1.55(m,4H),1.02(t,6H).
化合物34:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),2.61(m,1H),1.15(d,6H).
化合物35:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),7.18(m,1H),6.06(d,1H),1.96(d,3H).
化合物36:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),6.00(m,1H),5.21(d,1H),4.96(m,1H),2.43(m,1H),2.37-2.12(m,2H),1.26(d,3H).
化合物37:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),3.76(t,2H),2.38(t,2H),1.92(m,2H).
化合物38:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),3.68(t,2H),2.38(t,2H),1.85(m,2H),1.60(m,2H).
化合物39:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),4.10(m,1H),2.66-2.39(d,2H),1.63(m,2H),0.97(t,3H).
化合物40:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),3.59(t,2H),2.39(t,2H),2.15(m,2H).
化合物41:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),3.86(t,2H),2.59(t,2H).
化合物42:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),4.49(m,1H),1.80(d,3H).
化合物43:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),3.61(s,2H),1.35(s,6H).
化合物44:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),4.40(s,2H).
化合物45:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H).
化合物46:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.97(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.40(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),7.50(s,4H),3.62(d,1H),2.39(m,1H),0.95(d,6H).
化合物47:1H NMR(400MHz,CDCl3)δ7.52(d,2H),7.23(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.96(m,2H),2.73(m,1H),2.63(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),1.43(d,3H),1.28(t,3H),1.52(d,3H),3.32(s,3H),16.86(s,1H).
化合物48:1H NMR(400MHz,CDCl3)δ7.52(d,2H),7.23(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.96(m,2H),2.73(m,1H),2.63(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),1.43(d,3H),1.28(t,3H),1.52(d,3H),2.36(m,2H),1.22(t,3H),16.86(s,1H).
化合物49:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),3.59(s,3H).
化合物50:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),4.10(m,2H),1.31(t,3H).
化合物51:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),4.00(m,1H),1.27(d,6H).
化合物52:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),1.42(s,9H).
化合物53:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.41(s,4H),7.40(d,1H),5.01(s,2H).
化合物54:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.54(s,1H),7.43(s,3H),5.00(s,2H).
化合物55:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.46(d,2H),7.30(d,2H),5.01(s,2H).
化合物56:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.62(d,2H),7.19(d,2H),5.00(s,2H).
化合物57:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),3.15(m,2H),1.41(t,3H).
化合物58:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.97(d,2H),7.91(d,1H),7.77(m,2H).
化合物59:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),1.58(s,2H).
化合物60:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.78(s,1H),7.57(s,1H),7.21(d,2H),6.90(d,2H),4.97(m,1H),1.65(d,3H).
化合物61:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.70(s,1H),7.51(d,1H),7.36(d,1H),6.95(d,2H),6.90(d,2H),4.97(m,1H),3.47(s,2H),1.65(d,3H).
化合物62:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.99(s,1H),7.78(s,1H),7.21(d,2H),6.90(d,2H),4.97(m,1H),1.66(d,3H).
化合物63:1H NMR(400MHz,CDCl3)δ7.49(d,2H),7.21(d,2H),1.84(m,1H),3.19-2.91(m,2H),2.19-1.95(m,2H),2.72(m,1H),2.63(m,2H),4.01(m,1H),4.20-3.90(m,2H),1.65(m,2H),2.20(t,2H),1.64(m,2H),1.38(d,3H),1.29(t,3H),1.42(d,3H),1.15(t,3H),7.46(s,1H),7.36(d,1H),7.20(d,1H),4.19(t,2H),2.37(t,2H),2.16(m,2H).
化合物64:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.96(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.39(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),4.09(m,2H),2.79(t,2H),2.69(t,2H),1.15(t,3H).
化合物65:1H NMR(400MHz,CDCl3)δ7.50(d,2H),7.22(d,2H),1.85(m,1H),3.20-2.92(m,2H),2.20-1.96(m,2H),2.73(m,1H),2.64(m,2H),4.02(m,1H),4.21-3.91(m,2H),1.66(m,2H),2.21(t,2H),1.65(m,2H),1.39(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),5.10(s,2H),2.27(s,3H).
化合物66:1H NMR(400MHz,CDCl3)δ7.51(d,2H),7.23(d,2H),1.86(m,1H),3.22-2.92(m,2H),2.21-1.96(m,2H),2.75(m,1H),2.65(m,2H),4.03(m,1H),4.23-3.91(m,2H),1.67(m,2H),2.22(t,2H),1.65(m,2H),1.39(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),3.87(s,3H).
化合物67:1H NMR(400MHz,CDCl3)δ7.51(d,2H),7.23(d,2H),1.86(m,1H),3.22-2.92(m,2H),2.21-1.96(m,2H),2.75(m,1H),2.65(m,2H),4.03(m,1H),4.23-3.91(m,2H),1.67(m,2H),2.22(t,2H),1.65(m,2H),1.39(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),4.30(t,2H),1.62(m,2H),1.47(m,2H),0.98(t,3H).
化合物68:1H NMR(400MHz,CDCl3)δ7.51(d,2H),7.23(d,2H),1.86(m,1H),3.22-2.92(m,2H),2.21-1.96(m,2H),2.75(m,1H),2.65(m,2H),4.03(m,1H),4.23-3.91(m,2H),1.67(m,2H),2.22(t,2H),1.65(m,2H),1.39(d,3H),1.30(t,3H),1.43(d,3H),1.16(t,3H),7.40(d,4H),7.39(d,1H),5.21(s,2H).
同已公开的化合物D1和D2相比,本发明如通式(Ⅰ)所示化合物不仅显示出高的除草活性,而且显示出意想不到的作物安全性,尤其对水稻、小麦、玉米等作物安全。因此本发明还包括通式(Ⅰ)所示化合物作为除草剂的用途。
生测实例2:除草活性和作物安全性的测定
初筛试验(盆栽法):测试靶标为稗草、狗尾草、马唐、千金子和牛筋草。
苗后茎叶喷雾:取内径为7cm纸杯,装复合土(菜园土:育苗基质,1:2,v/v)至3/4处,直接播种杂草,覆土0.2cm,待长至4-5叶期备用。本发明的化合物和前述对比化合物按照5g.a.i./mu的剂量在自动喷雾塔施药后,待作物叶面药液晾干后移入温室培养(25度-28度,湿度70%),30天后调查结果。其中对照化合物D1、D2的结构式如下所示:
生长抑制率评价方法为目测法,具体根据表1所示情况进行评级,测试结果如表2、表3所示。
表1
(%) | 评价(抑制、畸形、白化等) | 生长抑制率级别 |
0-5 | 对杂草或作物生长无影响,无药效症状。 | 0 |
5-29 | 对杂草或作物生长有轻微影响,无明显药效症状 | 1 |
30-49 | 对杂草或作物生长有抑制,无明显药效症状。 | 2 |
50-69 | 对杂草或作物长有影响,有明显药效症状。 | 3 |
70-89 | 杂草或作物受到严重生长抑制。 | 4 |
90-100 | 杂草或作物死亡。 | 5 |
表2
表3:部分化合物对作物的安全性评价
由上述结果可知,本发明的化合物在除草测试实验中,对常见的禾本科杂草均表现出良好的除草活性,特别对稗草和狗尾草具有很好的防治效果。
同时,本发明的化合物对水稻、玉米和小麦安全,作物安全性明显优于对照化合物,能够用于水稻田防除稗草等恶性杂草。
以上详细描述了本发明的优选实施方式,但是,本发明并不限于此。在本发明的技术构思范围内,可以对本发明的技术方案进行多种简单变型,包括各个技术特征以任何其它的合适方式进行组合,这些简单变型和组合同样应当视为本发明所公开的内容,均属于本发明的保护范围。
Claims (9)
1.一种环己烯酮类化合物,该化合物具有式(I)所示的结构,
式(I)中,m个R各自独立地选自C1-6烷基、卤素、C1-6卤烷基、C1-6烷氧基、C1-6卤烷氧基、C1-6烯基、取代或未取代的苯基、取代或未取代的苯氧基、取代或未取代的苄氧基、取代或未取代的胺基、硝基、环己烷和硫烷基,m为0-5的整数;
R1选自H、C1-6烷基、取代或未取代的苄基、取代或未取代的烃基羰基、取代或未取代的烷氧基羰基、取代或未取代的苯基烷氧基羰基、取代或未取代的苯氧基烷基羰基、取代或未取代的烷基酯基羰基、取代或未取代的苯基羰基、取代或未取代的杂环基羰基和取代或未取代的磺酸基;
R2和R3各自独立的选自CH3、CH3CH2、CH3CH2CH2、(CH3)2CH2、CH3CH2CH2CH2、(CH3)2CH2CH2或CH3CH(CH3)CH2。
2.根据权利要求1所述的化合物,其中,在式(I)中,m个R各自独立地选自卤素、C1-3卤烷基、C1-3烷氧基、C1-3卤烷氧基、C1-3烯基、取代或未取代的苯基(卤素或卤烷基取代)、取代或未取代的苯氧基(卤素或卤烷基取代)、取代或未取代的苄氧基(卤素或卤烷基取代)、取代或未取代的胺基、硝基、环己烷和硫烷基,m为0-5的整数;
R1选自H、C1-4烷基、取代或未取代的苄基(卤素或卤烷基取代)、取代或未取代的烃基羰基(卤素或卤烷基取代)、烷氧基羰基、苯基烷氧基羰基、苯氧基烷基羰基、烷基酯基羰基、卤素取代或未取代的苯基羰基、取代或未取代的杂环基羰基(杂环包括吡啶、吡唑、呋喃、四氢呋喃、噻吩和喹啉)和取代的磺酸基;
R2和R3各自独立的选自CH3、CH3CH2、CH3CH2CH2。
4.权利要求1-3中任意一项所述的环己烯酮类化合物在防治田间农作物杂草中的应用。
5.根据权利要求4所述的应用,其中,所述田间农作物为玉米,小麦、水稻、大豆和油菜中的至少一种。所述杂草包括狗尾草、稗草、千金子、马唐、节节麦、雀麦、看麦娘、牛筋草中的至少一种。
6.权利要求1-3中任意一项所述的环己烯酮类化合物作为农药除草剂的应用。
7.一种农药除草剂,该除草剂由活性成分和辅料组成,所述活性成分包括权利要求1-3中所述的环己烯酮类化合物中的至少一种。
8.根据权利要求7所述的农药除草剂,其中,所述活性成分的含量为1~99.9999重量%。
9.根据权利要求7或8所述的农药除草剂,其中,所述农药除草剂的剂型选自乳油、悬浮剂、可湿性粉剂、粉剂、粒剂、水剂、毒饵、母液和母粉中的至少一种。
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