WO2015074615A1 - 一种吡唑酰胺类化合物及其应用 - Google Patents

一种吡唑酰胺类化合物及其应用 Download PDF

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WO2015074615A1
WO2015074615A1 PCT/CN2014/092000 CN2014092000W WO2015074615A1 WO 2015074615 A1 WO2015074615 A1 WO 2015074615A1 CN 2014092000 W CN2014092000 W CN 2014092000W WO 2015074615 A1 WO2015074615 A1 WO 2015074615A1
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compound
formula
mmol
white solid
amino
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PCT/CN2014/092000
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English (en)
French (fr)
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杨辉斌
英君伍
宋玉泉
陈霖
李轲轲
施学庚
冯聪
黄琦
范晓溪
李斌
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中国中化股份有限公司
沈阳化工研究院有限公司
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Priority to EP14863877.8A priority Critical patent/EP3075729B1/en
Priority to JP2016534177A priority patent/JP6139033B2/ja
Priority to US15/035,533 priority patent/US9723838B2/en
Priority to ES14863877T priority patent/ES2714874T3/es
Priority to BR112016007423-8A priority patent/BR112016007423B1/pt
Publication of WO2015074615A1 publication Critical patent/WO2015074615A1/zh

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/48Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/561,2-Diazoles; Hydrogenated 1,2-diazoles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/02Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton
    • C07C237/22Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton having nitrogen atoms of amino groups bound to the carbon skeleton of the acid part, further acylated
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D233/00Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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
    • C07D233/70One oxygen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/04Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/14Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings

Definitions

  • the invention belongs to the field of insecticides and relates to a pyrazole amide compound and application thereof.
  • CN1653051A reports a 2-benzoylaminopropionylamine compound in which compounds KC 1 and KC 2 have good control effects against Plutella xylostella and armyworm.
  • R 1 is selected from F, Cl, Br or I
  • R 2 is selected from F, Cl, Br or I
  • R 3 is selected from Cl or Br
  • R 4 is selected from Cl or H
  • Q is selected from Q 1 , Q 2 or Q 3 as shown below:
  • R 1 is selected from Cl or Br
  • R 2 is selected from Cl or Br
  • R 3 is selected from Cl or Br
  • R 4 is selected from Cl or H
  • Q is selected from Q 1 , Q 2 or Q 3 .
  • a still further preferred compound of the invention is in Formula I:
  • Q is selected from Q 1 or Q 2 .
  • R 1 is selected from the group consisting of F, Cl, Br or I; and R 2 is selected from the group consisting of F, Cl, Br or I.
  • W is selected from Q 1 or Q 3 .
  • R 1 is selected from F, Cl, Br or I
  • R 2 is selected from F, Cl, Br or I
  • R 3 is selected from Cl or Br
  • R 4 is selected from Cl or H
  • Q is selected from Q 1 , Q 2 or Q 3 ;
  • W is selected from Q 1 or Q 3 .
  • the compound of the formula II is obtained by reacting a compound of the formula II with a compound of the formula III in a suitable solvent at a temperature of from -10 ° C to reflux temperature for from 0.5 to 24 hours.
  • suitable solvents are selected from the group consisting of hexane, benzene, toluene, acetonitrile, THF, dichloromethane, dioxane, DMF or dimethyl sulfoxide.
  • the compounds of the formula I according to the invention can be prepared by the following methods, in which the groups are as defined above.
  • suitable solvents are selected from the group consisting of hexane, benzene, toluene, acetonitrile, THF, dichloromethane, dioxane, DMF or dimethyl sulfoxide.
  • the compounds I-1 and I-2 can be isolated by column chromatography purification, recrystallization, or the like.
  • suitable solvents are selected from the group consisting of hexane, benzene, toluene, acetonitrile, THF, dioxane, DMF or dimethyl sulfoxide.
  • the compound of the formula IV can be obtained by reacting a compound of the formula IV with hydrogen peroxide under basic conditions at a temperature of -10 ° C to reflux temperature for 0.5 to 48 hours.
  • Suitable solvents are selected from the group consisting of hexane, benzene, toluene, ethyl acetate, ethanol, acetonitrile, THF, dioxane, DMF or dimethyl sulfoxide.
  • Suitable bases are selected from the group consisting of sodium hydroxide, potassium hydroxide and the like.
  • suitable solvents are selected from the group consisting of hexane, benzene, toluene, ethyl acetate, ethanol, acetonitrile, THF, dioxane, DMF or dimethyl sulfoxide.
  • Suitable bases are selected from the group consisting of organic bases such as triethylamine, N,N-dimethylaniline, pyridine, sodium t-butoxide or potassium t-butoxide, or inorganic bases such as sodium hydroxide, potassium hydroxide or sodium methoxide.
  • organic bases such as triethylamine, N,N-dimethylaniline, pyridine, sodium t-butoxide or potassium t-butoxide
  • inorganic bases such as sodium hydroxide, potassium hydroxide or sodium methoxide.
  • the compound of the formula IV can be obtained from a compound of the formula V in a suitable solvent with a compound of the formula VI (commercially available or custom-made, see: J. Peptide Res. 56, 2000, 283-297) at a temperature of -10. It is obtained by reacting °C at reflux temperature for 0.5-48 hours.
  • Suitable solvents are selected from the group consisting of chloroform, dichloromethane, carbon tetrachloride, hexane, benzene, toluene, ethyl acetate, DMF, THF or dioxane.
  • a base such as triethylamine, pyridine, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate or sodium hydrogencarbonate is advantageous for the reaction.
  • Table 1 lists the structural and physical properties of some of the compounds of formula I.
  • Table 2 lists the structural and physical properties of some of the compounds of formula II.
  • the fat solubility of the organic molecule can be improved.
  • the fat solubility of molecules is closely related to the transport of molecules in organisms such as insects and plants.
  • the appropriate transport properties of biologically active molecules play an important role in the efficacy of the drug.
  • the suitability of bioactive molecular transport properties is unpredictable, but requires a large amount of creative labor to be known.
  • the pyrazole amide compounds of the formula I of the present invention have unexpectedly high insecticidal activity compared to the known 2-benzoylaminopropionylamides. Accordingly, the present invention also encompasses the use of a compound of formula I for controlling pests.
  • the present invention also encompasses pesticidal compositions having a compound of formula I as an active ingredient.
  • the active ingredient in the pesticidal composition is present in an amount between 1 and 99% by weight.
  • Also included in the pesticidal composition are agricultural, forestry, and hygienic acceptable carriers.
  • the compound of the formula I as an active component may be either a single compound or a mixture of two or more compounds of the formula I.
  • compositions of the invention may be administered in the form of a formulation.
  • the compound of the formula I is dissolved or dispersed in the carrier as an active ingredient or formulated into a formulation for easier dispersion when used as an insecticide.
  • these chemicals can be formulated as wettable powders or emulsifiable concentrates.
  • at least one liquid or solid carrier is added, and a suitable surfactant may be added as needed.
  • the technical solution of the present invention also includes a method of controlling pests by applying the pesticidal composition of the present invention to the pest or the growth medium thereof.
  • a more suitable effective amount is usually selected from 10 grams to 1000 grams per hectare.
  • one or more other fungicides, insecticides, herbicides, plant growth regulators or fertilizers, etc. may be added to the pesticidal composition of the invention, thereby producing additional The advantages and effects.
  • the reaction solution was analyzed by TLC and HPLC without obvious by-product formation, and the crude product was synthesized by nuclear magnetic analysis without ring-forming product.
  • KC 2 was prepared by referring to the preparation method of KC 1 :
  • the cabbage leaves cultured in the greenhouse were selected, the surface wax layer was removed, and a circular disc with a diameter of 3 cm was punched with a puncher.
  • the procedure was designed from low dose to high dose, and the prepared medicine was prepared by an airbrush manual sprayer.
  • the liquid was evenly sprayed on the front and back sides of the blade, placed in a petri dish with a diameter of 6 cm in which the filter paper was placed, and then placed in a neat healthy test insect (3 years old) after being dried in the shade.
  • 10 water treatment was used as a blank control.
  • the treated samples were placed in an observation room of a certain condition, and the number of dead insects was investigated after 72 hours, and the mortality was calculated.
  • the following compounds had better control effects on Plutella xylostella at a concentration of 100 ppm, and the mortality rate was greater than or equal to 80%: 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.13, 1.20 , 1.21, 1.22, 1.23, 1.24, 1.25, 1.26, 1.27, 1.28, 1.35, 1.36, 1.37, 1.38, 1.39.
  • the following compounds had better control effects on Plutella xylostella at a concentration of 10 ppm, and the mortality rate was greater than or equal to 80%: 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.13, 1.20 , 1.21, 1.22, 1.23, 1.24, 1.25, 1.26, 1.27, 1.28, 1.35, 1.36, 1.37, 1.38, 1.39.
  • Table 3 Parallel comparison of a part of the compound of the present invention with the known compound Plutella xylostella activity (mortality, %)
  • Spray method is used.
  • the middle leaves of fresh corn cultivated in the greenhouse were cut into 3cm sections.
  • the prepared liquid was sprayed evenly on the front and back of the leaves, and placed on a 6cm diameter petri dish with filter paper.
  • the healthy test insects 3 years old
  • each treatment is 10 heads
  • the water treatment is set as a blank control.
  • the treated samples were placed in an observation room of a certain condition, and the number of dead insects was investigated after 72 hours, and the mortality was calculated.
  • the following compounds had better control effect against armyworms at a concentration of 100 ppm, and the mortality rate was greater than or equal to 80%: 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.13, 1.20 , 1.21, 1.22, 1.23, 1.24, 1.25, 1.26, 1.27, 1.28, 1.35, 1.36, 1.37, 1.38, 1.39, 1.40.
  • the following compounds had better control effects against armyworms at a concentration of 10 ppm, and the mortality rate was greater than or equal to 80%: 1.3, 1.4, 1.6, 1.8, 1.13, 1.20, 1.21, 1.22, 1.23, 1.24. , 1.25, 1.26, 1.27, 1.28, 1.35, 1.36, 1.37, 1.38, 1.39, 1.40.
  • the original medicinal acetone or dimethyl sulfoxide is dissolved, and then prepared with a 1 Torr Tween 80 solution to prepare a desired concentration of 50 ml of the test solution, acetone or dimethyl sulfoxide in the solution.
  • the content does not exceed 10%.
  • the culture dish was moved to a standard observation chamber (23-25 ° C, 40-60% RH, L/D 13h: 11h), and if necessary, add appropriate amount of tap water at the bottom of the dish to keep the leaves fresh. After 48 hours, the number of dead insects was investigated and the mortality rate was calculated.
  • the following compounds had better control effect on peach aphid at a concentration of 600 ppm, and the mortality rate was above 80%: 1.3, 1.4, 1.5, 1.6, 1.8, 1.9, 1.10, 1.13, 1.20, 1.21. 1.22, 1.23, 1.26, 1.27, 1.36, 1.37, 1.38, 1.39.
  • the following compounds had better control effect on peach aphid at a concentration of 100 ppm, and the mortality rate was above 80%: 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.13, 1.20, 1.22, 1.23, 1.26, 1.27, 1.36, 1.37.
  • the broad bean seedlings that have been cultivated to a height of about 3 cm will be transplanted into paper cups filled with fine sand and filled with the chemical solution prepared according to the test design. After 72 hours, Investigate the number of dead and live mites. The test results are shown in Table 6.
  • the test variety was Xinhongxing.
  • the test time was June 2014.
  • ZL-22-160 stretcher power sprayer
  • Each treatment was repeated 4 times.
  • the number of insect bases was investigated before application.
  • the investigation was carried out once every 2 days, 7 days and 14 days after the application, and the control effect was calculated.
  • the control agent 10% cyanamide was purchased from Shanghai DuPont Agrochemical Co., Ltd.
  • the test results are shown in Table 7.
  • the test was carried out at the Nankou Base of the Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, and the test crop was cabbage (variety: Jingfeng).
  • the dose of the test agent was 15g ai/hm 2
  • the dose of the control agent 10% cyanamide was 30g ai/hm 2
  • the spray volume was 750L/hm 2 , 4 repetitions, random. Block group arrangement.
  • the application device is the "MATABI" SUPER GREEN 16 backpack manual sprayer.
  • Each plot was taken by the diagonal method to take 5 points, and 2 strains of cabbage were fixed at each point, and 10 plots were investigated in each plot.
  • the number of the population of the cabbage aphid in each plot was investigated.
  • the number of insects was investigated at 1d, 3d, 7d and 14d after the drug, and the control effect was calculated.
  • Infestation rate (%) (pre-treatment number of insects - number of insects after drug) / number of pre-medication insects ⁇ 100
  • Control effect (%) (reduction rate of insects in the treatment area - population reduction rate in the blank control area) /
  • control agent 10% cyanamide was purchased from Shanghai DuPont Agrochemical Co., Ltd.
  • the test results are shown in Table 8.

Abstract

本发明公开了一种结构新颖的吡唑酰胺类化合物,如通式I所示。式中各取代基团的定义见说明书。通式化合物I具有优异的杀虫活性,可用于防治虫害。

Description

一种吡唑酰胺类化合物及其应用 技术领域
本发明属于杀虫剂领域,涉及一种吡唑酰胺类化合物及其应用。
背景技术
由于杀虫剂在使用一段时间后,害虫会对其产生抗性,因此,需要不断发明新型的和改进的具杀虫活性的化合物和组合物。同时,随着人们对农畜产品等日益增长的需要和对环境保护的日益重视,也一直需要使用成本更低、对环境友好的新的杀虫剂。
CN1653051A报道了一种2-苯甲酰氨基丙酰氨类化合物,其中化合物KC1、KC2对小菜蛾、粘虫具有较好的防效。
Figure PCTCN2014092000-appb-000001
在现有技术中,如本发明所示的吡唑酰胺类化合物的制备及其杀虫活性未见公开。
发明内容
本发明的目的在于提供一种结构新颖的吡唑酰胺类化合物,它可应用于农业、林业或非治疗目的的卫生上虫害的防治。
本发明的技术方案如下:
一种吡唑酰胺类化合物,如通式I所示:
Figure PCTCN2014092000-appb-000002
式中:
R1选自F、Cl、Br或I;R2选自F、Cl、Br或I;R3选自Cl或Br;R4选自Cl或H;
Q选自如下所示的Q1、Q2或Q3
Figure PCTCN2014092000-appb-000003
本发明进一步优选的化合物为,通式I中:
R1选自Cl或Br;R2选自Cl或Br;R3选自Cl或Br;R4选自Cl或H;
Q选自Q1、Q2或Q3
本发明更进一步优选的化合物为,通式I中:
R1选自Cl;R2选自Cl;R3选自Cl或Br;R4选自H;
Q选自Q1或Q2
本发明的技术方案中还包括直接用于制备通式I化合物的中间体,该化合物此前未见报道,结构如通式II所示:
Figure PCTCN2014092000-appb-000004
式中:R1选自F、Cl、Br或I;R2选自F、Cl、Br或I。W选自Q1或Q3
本发明的技术方案中还包括通式I化合物的制备方法,按照如下反应式进行:
Figure PCTCN2014092000-appb-000005
式中:
R1选自F、Cl、Br或I;R2选自F、Cl、Br或I;R3选自Cl或Br;R4选自Cl或H;
Q选自Q1、Q2或Q3
W选自Q1或Q3
通式II化合物在适宜的溶剂中与通式III化合物在温度为-10℃到回流温度下反应0.5-24小时制得通式I。适宜的溶剂选自己烷、苯、甲苯、乙腈、THF、二氯甲烷、二氧六环、DMF或二甲基亚砜等。
本发明的通式I化合物可由如下的方法制备,反应式中各基团定义同前。
当通式I化合物Q为Q1或Q2时,可由如下的方法制备:
Figure PCTCN2014092000-appb-000006
通式II(W=Q1)化合物在适宜的溶剂中与通式III化合物在温度为-10℃到回流温度下反应0.5-24小时制得通式I-1(Q=Q1)和I-2(Q=Q2)化合物。适宜的溶剂选自己烷、苯、甲苯、乙腈、THF、二氯甲烷、二氧六环、DMF或二甲基亚砜等。反应温度为0℃至室温时,主要生成I-1(Q=Q1)化合物;高沸点溶剂如苯、甲苯、二氧六环、DMF或二甲基亚砜等回流条件时,主要生成I-2(Q=Q2)化合物。可以采用柱色谱提纯、重结晶等方法将化合物I-1、I-2分离。
当通式I化合物Q选自Q3时,可由如下的方法制备:
Figure PCTCN2014092000-appb-000007
通式II(W=Q3)化合物在适宜的溶剂中与通式III化合物在温度为-10℃到回流温度下反应0.5-24小时制得通式I-3(Q=Q3)化合物。适宜的溶剂选自己烷、苯、甲苯、乙腈、THF、二氧六环、DMF或二甲基亚砜等。
通式III化合物(吡唑甲酰氯及其相应的原料羧酸)的制备可以参考Bioorganic&Medicinal Chemistry Letters,2005,15,4898-4906、WO03/015519A1、WO2008/072745A1及WO 2009/010260A2中的操作进行。
通式II化合物的制备方法如下:
Figure PCTCN2014092000-appb-000008
通式IV化合物在适宜的溶剂中与双氧水,在碱性条件下温度为-10℃到回流温度下反 应0.5-48小时制得II化合物。适宜的溶剂选自己烷、苯、甲苯、乙酸乙酯、乙醇、乙腈、THF、二氧六环、DMF或二甲基亚砜等。适宜的碱选自氢氧化钠、氢氧化钾等。反应温度为0℃至室温时,主要生成II-1(W=Q1)化合物;70℃至110℃时,主要生成II-2(W=Q3)化合物。可以采用柱色谱提纯、重结晶等方法将化合物II-1(W=Q1)、II-2(W=Q3)分离。
通式II-2(W=Q3)化合物也可以由通式II-1(Q=Q1)化合物制备得到:
Figure PCTCN2014092000-appb-000009
通式II-1(W=Q1)化合物在适宜的溶剂中、温度为-10℃到回流温度下碱性条件下反应0.5-48小时制得通式II-2(W=Q3)化合物。适宜的溶剂选自己烷、苯、甲苯、乙酸乙酯、乙醇、乙腈、THF、二氧六环、DMF或二甲基亚砜等。
适宜的碱选自有机碱如三乙胺、N,N-二甲基苯胺、吡啶、叔丁醇钠或叔丁醇钾等,或无机碱如氢氧化钠、氢氧化钾或甲醇钠等。
通式IV化合物的制备方法如下:
Figure PCTCN2014092000-appb-000010
通式IV化合物可由通式V化合物在适宜的溶剂中与通式VI化合物(有市售,也可自制,制备方法参见:J.Peptide Res.56,2000,283-297)在温度为-10℃到回流温度下反应0.5-48小时制得。适宜的溶剂选自氯仿、二氯甲烷、四氯化碳、己烷、苯、甲苯、乙酸乙酯、DMF、THF或二氧六环等。加入碱类物质,如三乙胺、吡啶、氢氧化钠、氢氧化钾、碳酸钠、碳酸钾或碳酸氢钠等对反应有利。
通式V化合物的制备可参见:Bioorganic&Medicinal Chemistry,(2003),11,1769–1780、Bioorganic&Medicinal Chemistry Letters,2005,15,4898-4906、Tetrahedron Letters,1991,32,3263-3264。
表1列出了部分通式I化合物的结构和物理性质。
Figure PCTCN2014092000-appb-000011
表1
化合物 R1 R2 R3 R4 Q 外观 熔点
1.1 F Cl Cl H Q1    
1.2 F Cl Br H Q1    
1.3 Cl Cl Cl H Q1 白色固体 158-162℃
1.4 Cl Cl Br H Q1 白色固体 164-168℃
1.5 Br Cl Cl H Q1 白色固体 163-167℃
1.6 Br Cl Br H Q1 白色固体 167-171℃
1.7 Cl F Cl H Q1 白色固体 166-171℃
1.8 Cl F Br H Q1 白色固体 169-174℃
1.9 Br Br Cl H Q1 白色固体 165-169℃
1.10 Br Br Br H Q1 白色固体 172-175℃
1.11 Br F Cl H Q1    
1.12 Br F Br H Q1    
1.13 Cl Cl Br Cl Q1 白色固体 169-173℃
1.14 Br Br Cl Cl Q1    
1.15 Br Br Br Cl Q1    
1.16 Br Cl Cl Cl Q1    
1.17 Br Cl Br Cl Q1    
1.18 F Cl Cl H Q2    
1.19 F Cl Br H Q2    
1.20 Cl Cl Cl H Q2 白色固体 152-157℃
1.21 Cl Cl Br H Q2 白色固体 162-164℃
1.22 Br Cl Cl H Q2 黄色固体 158-162℃
1.23 Br Cl Br H Q2 黄色固体 160-165℃
1.24 Cl F Cl H Q2 黄色固体 241-245℃
1.25 Cl F Br H Q2 黄色固体 261-265℃
1.26 Br Br Cl H Q2 白色固体 167-171℃
1.27 Br Br Br H Q2 黄色固体 164-168℃
1.28 Cl Cl Br Cl Q2 白色固体 162-165℃
1.29 Br Br Cl Cl Q2    
1.30 Br Br Br Cl Q2    
1.31 Br Cl Cl Cl Q2    
1.32 Br Cl Br Cl Q2    
1.33 F Cl Cl H Q3    
1.34 F Cl Br H Q3    
1.35 Cl Cl Cl H Q3 白色固体 192-194℃
1.36 Cl Cl Br H Q3 白色固体 182-184℃
1.37 Br Br Cl H Q3 白色固体 181-182℃
1.38 Br Br Br H Q3 白色固体 182-184℃
1.39 Cl Cl Br Cl Q3 白色固体 184-187℃
1.40 Cl Cl Cl Cl Q3 白色固体 201-202℃
部分化合物的1H NMR(300MHz,DMSO-d6)数据如下:
化合物1.3:10.44(s,1H),8.44(dd,1H),8.23(s,1H),8.05(dd,1H),7.69(d,1H),7.65(d,1H),7.55(dd,1H),7.33(s,1H),7.03(s,1H),6.67(s,1H),1.30(s,6H)。
化合物1.4:10.34(d,1H),8.45(d,1H),7.84(dd,1H),7.33(dd,1H),7.23(s,1H),7.18(d,1H),7.12(d,1H),6.89(s,1H),6.33(s,1H),5.58(s,1H),1.55(s,6H)。
化合物1.5:10.45(s,1H),8.44(d,1H),8.20(s,1H),8.06(d,1H),7.80(d,1H),7.73(d,1H),7.56(dd,1H),7.33(s,1H),7.03(s,1H),6.67(s,1H),1.29(s,6H)。
化合物1.6:10.44(s,1H),8.45(dd,1H),8.22(s,1H),8.09(d,1H),7.83(d,1H),7.76(d,1H),7.56(dd,1H),7.40(s,1H),7.05(s,1H),6.70(s,1H),1.28(s,6H)。
化合物1.7:10.38(s,1H),8.44(dd,1H),8.13(s,1H),8.05(d,1H),7.55(dd,1H),7.49(s,1H),7.46(s,1H),7.33(s,1H),7.00(s,1H),6.67(s,1H),1.33(s,6H)。
化合物1.8:10.37(s,1H),8.44(d,1H),8.14(s,1H),8.06(d,1H),7.56(dd,1H),7.51(s,1H),7.48(s,1H),7.39(s,1H),7.01(s,1H),6.68(s,1H),1.25(s,6H)。
化合物1.9:10.42(s,1H),8.43(d,1H),8.16(s,1H),8.03(d,1H),7.89(d,1H),7.82(d,1H),7.54(dd,1H),7.34(s,1H),6.98(s,1H),6.60(s,1H),1.26(s,6H)。
化合物1.10:10.48(s,1H),8.84(s,1H),8.43(dd,1H),8.03(dd,1H),7.94(d,1H),7.61(d,1H),7.54(dd,1H),7.34(s,1H),6.98(s,1H),6.60(s,1H),1.26(s,6H)。
化合物1.13:10.53(s,1H),8.59(d,1H),8.51(d,1H),8.36(s,1H),7.82(dd,1H),7.43(s,1H),7.17(s,1H),6.83(s,1H),1.26(s,6H)。
化合物1.20:10.52(s,1H),8.90(s,1H),8.44(dd,1H),8.09(dd,1H),7.79(d,1H),7.57(dd,1H),7.50(d,1H),7.38(s,1H),1.58(s,6H)。
化合物1.21:10.50(s,1H),8.88(s,1H),8.43(d,1H),8.06(d,1H),7.73(d,1H),7.55(dd,1H),7.48(d,1H),7.44(s,1H),1.51(s,6H)。
化合物1.22:10.52(s,1H),8.88(d,1H),8.44(d,1H),8.08(d,1H),7.90(d,1H),7.56(dd,1H),7.52(d,1H),7.39(s,1H),1.51(s,6H)。
化合物1.23:9.42(s,1H),8.41(dd,1H),7.83(dd,1H),7.38(dd,1H),7.35(s,1H),7.29(d,1H),7.20(d,1H),7.05(s,1H),1.51(s,6H)。
化合物1.24:10.44(s,1H),8.83(s,1H),8.45(d,1H),8.09(d,1H),7.62(dd,1H),7.57(dd,1H),7.37(s,1H),7.32(dd,1H),1.52(s,6H)。
化合物1.25:10.45(s,1H),8.86(s,1H),8.46(dd,1H),8.12(dd,1H),7.70(dd,1H),7.59 (dd,1H),7.44(s,1H),7.37(dd,1H),1.52(s,6H)。
化合物1.26:10.48(s,1H),8.83(s,1H),8.43(d,1H),8.03(d,1H),7.95(d,1H),7.61(d,1H),7.54(dd,1H),7.37(s,1H),1.52(s,6H)。
化合物1.27:10.48(s,1H),8.84(s,1H),8.43(dd,1H),8.03(dd,1H),7.94(d,1H),7.61(d,1H),7.54(dd,1H),7.44(s,1H),1.52(s,6H)。
化合物1.28:10.62(s,1H),8.96(s,1H),8.61(d,1H),8.53(d,1H),7.90(d,1H),7.57(d,1H),7.48(s,1H),1.52(s,6H).。
化合物1.35:11.16(s,1H),10.64(s,1H),8.45(dd,1H),8.12(dd,1H),7.89(s,1H),7.68(d,1H),7.58(dd,1H),7.34(s,1H),1.13(s,6H)。
化合物1.36:11.17(s,1H),10.62(s,1H),8.48(dd,1H),8.15(d,1H),7.95(s,1H),7.70(d,1H),7.56(dd,1H),7.42(s,1H),1.15(s,6H)。
化合物1.37:10.62-11.19(m,2H),8.42(dd,1H),8.03(d,1H),7.99(s,1H),7.83(d,1H),7.54(dd,1H),7.25(s,1H),1.15(s,6H)。
化合物1.38:10.52-11.27(m,2H),8.47(d,1H),8.17(s,1H),8.14(s,1H),7.85(s,1H),7.61(dd,1H),7.42(s,1H),1.12(s,6H)。
化合物1.39:11.48(s,1H),10.98(s,1H),8.37(s,1H),7.83(s,1H),7.51(s,1H),7.45(s,1H),6.99(s,1H),1.38(s,6H)。
化合物1.40:10.35-11.45(m,2H),8.58(d,1H),8.51(d,1H),7.95(d,1H),7.72(d,1H),7.37(s,1H),1.12(s,6H)。
表2列出了部分通式II化合物的结构和物理性质。
Figure PCTCN2014092000-appb-000012
表2
化合物 R1 R2 W 外观 熔点
2.1 Cl Cl Q1 白色固体 166-168℃
2.2 Cl F Q1 白色固体 169-171℃
2.3 Cl Br Q1    
2.4 Br Br Q1 白色固体 178-182℃
2.5 Br Cl Q1    
2.6 Br F Q1    
2.7 F F Q1    
2.8 F Br Q1    
2.9 F Cl Q1    
2.10 Cl Cl Q3 白色固体 170-173℃
2.11 Cl F Q3 白色固体 180-184℃
2.12 Br Br Q3 白色固体 180-183℃
2.13 Cl Br Q3    
2.14 Br F Q3    
2.15 F F Q3    
2.16 F Cl Q3    
2.17 F Br Q3    
部分化合物的1H NMR(300MHz,DMSO-d6)数据如下:
化合物2.1:7.35(d,1H),7.27(d,1H),6.80(s,1H),6.15(br,s,1H),5.99(s,2H),5.55(br,s,1H),1.69(s,6H)。
化合物2.2:7.17(d,1H),7.06(d,1H),6.82(s,1H),6.15(br,s,1H),5.75(br,s,2H),5.55(br,s,1H),1.70(s,6H)。
化合物2.4:8.23(s,1H),7.79(d,1H),7.59(d,1H),7.05(s,1H),6.65(s,1H),6.35(s,2H),1.37(s,6H)。
化合物2.10:10.75(s,1H),7.46(d,1H),7.38(d,1H),6.94(s,2H),1.48(s,6H)。
化合物2.11:10.76(s,1H),7.26(d,1H),7.23(d,1H),6.76(s,2H),1.45(s,6H)。
化合物2.12:10.65(s,1H),7.65(d,1H),7.61(d,1H),7.03(s,2H),1.47(s,6H)。
在有机分子中,用甲基取代氢原子后,可以提高有机分子的脂溶性。分子的脂溶性与分子在昆虫、植物等生物体内的输导性密切相关。生物活性分子合适的输导性能对药效的发挥起着重要的作用。生物活性分子输导性能的合适性是不可预知的,而是需要大量的创造性劳动才能获知的。
现已发现,同已知的2-苯甲酰氨基丙酰氨类化合物相比,本发明通式I所示的吡唑酰胺类化合物具有意想不到的高杀虫活性。因此,本发明还包括通式I化合物用于控制虫害的用途。
本发明还包括以通式I化合物作为活性组分的杀虫组合物。该杀虫组合物中活性组分的重量百分含量在1-99%之间。该杀虫组合物中还包括农业、林业、卫生上可接受的载体。作为活性组分的通式I化合物,既可以是单一化合物,也可以是两种或两种以上通式I化合物的混合物。例如:活性组分可以包含通式I-1(Q=Q1)、I-2(Q=Q2)或I-3(Q=Q3)的一种、两种或三种。
本发明的组合物可以制剂的形式施用。通式I化合物作为活性组分溶解或分散于载体中或配制成制剂以便作为杀虫剂使用时更易于分散。例如:这些化学制剂可被制成可湿性粉剂或乳油。在这些组合物中,至少加入一种液体或固体载体,并且当需要时可以加入适当的表面活性剂。
本发明的技术方案还包括防治虫害的方法:将本发明的杀虫组合物施于所述的害虫或其生长介质上。通常选择的较为适宜有效量为每公顷10克到1000克。
对于某些应用,例如在农业上可在本发明的杀虫组合物中加入一种或多种其它的杀菌剂、杀虫剂、除草剂、植物生长调节剂或肥料等,由此可产生附加的优点和效果。
应明确的是,在本发明的权利要求所限定的范围内,可进行各种变换和改动。
具体实施方式
下列合成实施例、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。
合成实施例
实施例1、化合物1.4、化合物1.21的制备
(1)、2-氨基-2-甲基丙腈的合成
Figure PCTCN2014092000-appb-000013
向反应瓶中加入***(4.95克,100毫摩尔)和氨水(60毫升),常温搅拌至***完全溶解,加入丙酮(5.84克,100毫摩尔)和氯化铵(5.38克,100毫摩尔),常温反应48小时,反应液用二氯甲烷萃取(3×50毫升),合并有机相,用无水硫酸镁干燥、减压脱溶,得5.25克无色油,收率:57%。
1H NMR(300MHz,CDCl3):1.84(br,s,2H),1.50(s,6H)。
(2)、2-氨基-3,5-二氯苯甲酸的合成
Figure PCTCN2014092000-appb-000014
向三口瓶中依次加入2-氨基苯甲酸(50克,365毫摩尔)、DMF(400毫升),室温搅拌至原料完全溶解后,分批加入N-氯代丁二酰亚胺(102.4克,767毫摩尔),80℃反应1h后反应完全,将反应液慢慢倒入适量碎冰中剧烈搅拌,有固体析出,过滤,滤饼用自来水洗涤2次,自然风干得68g黄色固体,收率:90.4%,熔点:201-204℃。
(3)、2-氨基-3,5-二氯-N-(2-氰基-2-丙基)苯甲酰胺的合成
Figure PCTCN2014092000-appb-000015
向反应瓶内加入2-氨基-3,5-二氯苯甲酸(10克,48.5毫摩尔)、氯化亚砜(23.1克,194毫摩尔),混合物加热回流3小时,减压蒸尽溶剂,得红褐色油状物。
向反应瓶内加入2-氨基-2-甲基丙腈(4.08克,48.5毫摩尔)、200毫升四氢呋喃、三乙胺(7.36g,72.7毫摩尔),滴加上步2-氨基-3,5-二氯苯甲酰氯的四氢呋喃溶液(50毫升)。室温下搅拌12小时,减压蒸尽溶剂,向残余物中加入乙酸乙酯(500毫升),水(100毫升)分液萃取,有机相依次用饱和食盐水(50毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,用乙酸乙酯、石油醚(乙酸乙酯:石油醚=1:3)重结晶得8.7g黄色固体,收率:66%。
(4)、化合物2.1、2.10的合成
Figure PCTCN2014092000-appb-000016
向反应瓶内加入2-氨基-3,5-二氯-N-(2-氰基-2-丙基)苯甲酰胺(69克,254毫摩尔)、氢氧化钾(15.65克,279毫摩尔)、乙醇(200毫升),冰水浴下缓慢滴加双氧水(144克,1.27摩尔,30%),室温反应24小时,减压蒸尽溶剂,得红褐色油状物,向残余物中加入乙酸乙酯(1升),水(500毫升)分液萃取,有机相依次用饱和食盐水(500毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:1)得15.5克极性较弱(TLC:Rf值较大)的黄色固体,经核磁验证其结构为化合物2.10,收率:22.2%,熔点:170-173℃;同时还得到32.2克极性较强(TLC:Rf值较小)白色固体,经核磁验证其结构为化合物2.1,收率:42.5%,熔点:166-168℃。
(5)、化合物1.4、化合物1.21的合成
Figure PCTCN2014092000-appb-000017
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二氯苯甲酰胺(0.58克,2毫摩尔)、10毫升乙腈,滴加3-溴-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(0.77克,2.4毫摩尔,其制备参见WO03/015519)的乙腈溶液(5毫升)。60℃反应2小时,蒸去溶剂,加入乙酸乙酯(200毫升),饱和碳酸氢钠(50毫升)洗涤两次,饱和盐水(50毫升)洗涤一次,无水硫酸镁干燥后浓缩,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:1),得0.07克极性较弱(TLC:Rf值较大)的白色固体,经核磁验证其结构为化合物1.21,收率:6.3%,熔点:162-164℃;同时还得到0.21克极性较强(TLC:Rf值较小)白色固体,经核磁验证其结构为化合物1.4,收率:18.3%,熔点:164-168℃。
在如下条件下,得到的主要产物为化合物1.4:
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二氯苯甲酰胺(10克,34.5毫摩尔)、50mL乙腈,滴加3-溴-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(13.3克,41.4毫摩尔,其制备参见WO03/015519)的乙腈溶液(20毫升)。室温反应12小时,蒸去溶剂,加入乙酸乙酯(500毫升),饱和碳酸氢钠(100毫升)洗涤两次,饱和盐水(100毫升)洗涤两次,无水硫酸镁干燥后浓缩,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:1),得到9.2g白色固体化合物1.4,收率:46.5%,熔点:164-168℃。
在如下条件下,得到的主要产物为化合物1.21:
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二氯苯甲酰胺(10.7克, 36.9毫摩尔)、100mL甲苯,滴加3-溴-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(14.2克,44.3毫摩尔,其制备参见WO03/015519)的甲苯溶液(50毫升)。回流反应1小时,蒸去溶剂,加入乙酸乙酯(500毫升),饱和碳酸氢钠(100毫升)洗涤两次,饱和盐水(100毫升)洗涤两次,无水硫酸镁干燥后浓缩,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:5),得到7.7g白色固体化合物1.21,收率:37.5%,熔点:162-164℃。
实施例2、化合物1.3、化合物1.20的制备
Figure PCTCN2014092000-appb-000018
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二氯苯甲酰胺(0.5克,1.72毫摩尔)、20毫升乙腈,滴加3-氯-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(0.57克,2.06毫摩尔,其制备参见WO03/015519)的乙腈溶液(10毫升)。回流反应1小时,蒸去溶剂,加入乙酸乙酯(150毫升),饱和碳酸氢钠(50毫升)洗涤两次,饱和盐水(50毫升)洗涤一次,无水硫酸镁干燥,通过柱色谱分离(淋洗液:乙酸乙酯﹕石油醚=1﹕1)得0.15克极性较弱(TLC:Rf值较大)的白色固体,经核磁验证其结构为化合物1.20,收率17%,熔点:152-157℃;同时还得到0.22克极性较强(TLC:Rf值较小)的白色固体,经核磁验证其结构为化合物1.3,收率:20.7%,熔点:158-162℃。
在如下条件下,得到的主要产物为化合物1.3:
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二氯苯甲酰胺(40克,138毫摩尔)、500mL乙腈,滴加3-氯-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(45.8克,165.6毫摩尔,其制备参见WO03/015519)的乙腈溶液(100毫升)。室温反应12小时,蒸去溶剂,加入乙酸乙酯(1升),饱和碳酸氢钠(500毫升)洗涤两次,饱和盐水(100毫升)洗涤两次,无水硫酸镁干燥后浓缩,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:1),得到49g白色固体化合物1.3,收率:64.8%,熔点:158-162℃。
在如下条件下,得到的主要产物为化合物1.20:
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二氯苯甲酰胺(0.5克,1.72毫摩尔)、20mL甲苯,滴加3-氯-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(0.57克,2.1毫摩尔,其制备参见WO03/015519)的甲苯溶液(5毫升)。回流反应1小时,蒸去溶剂,加入乙酸乙酯(100毫升),饱和碳酸氢钠(50毫升)洗涤两次,饱和盐水(50毫升)洗涤两次,无水硫酸镁干燥后浓缩,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:5),得到0.34g白色固体化合物1.20,收率:38%,熔点:152-157℃。
实施例3、化合物1.10、化合物1.27的制备
(1)、2-氨基-3,5-二溴-N-(2-氰基-2-丙基)苯甲酰胺的合成
Figure PCTCN2014092000-appb-000019
向反应瓶内加入2-氨基-3,5-二溴苯甲酸(23.5克,80毫摩尔)、氯化亚砜(28.4克,239毫摩尔),混合物加热回流6小时,减压蒸尽溶剂,得红褐色油状物。
向反应瓶内加入2-氨基-2-甲基丙腈(6.7克,80毫摩尔)、200毫升四氢呋喃、三乙胺(12.1g,120毫摩尔),滴加上步2-氨基-3,5-二溴苯甲酰氯的四氢呋喃溶液(50毫升)。室温下搅拌12小时,减压蒸尽溶剂,向残余物中加入乙酸乙酯(300毫升),水(100毫升)分液萃取,有机相依次用饱和食盐水(50毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:5)得19.47g淡黄色固体,收率:63.6%。
(2)、化合物2.4、化合物2.12的合成
Figure PCTCN2014092000-appb-000020
向反应瓶内加入2-氨基-3,5-二溴-N-(2-氰基-2-丙基)苯甲酰胺(4g,11.1毫摩尔)、乙醇(20毫升)、氢氧化钾(0.93g,16.6毫摩尔),冰水浴下,半小时内,缓慢滴加双氧水(6.28g,55.4毫摩尔),搅拌1小时,升至室温,搅拌12小时,减压蒸尽溶剂,向残余物中加入乙酸乙酯(100毫升),水(50毫升)分液萃取,有机相依次用饱和食盐水洗涤,无水硫酸镁干燥,减压蒸尽溶剂,其中极性较弱(HPLC:保留时间较长)与极性较强(HPLC:保留时间较短)2个主产物的比例为32﹕68。总含量为90%。残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:2)得0.83克极性较弱(TLC:Rf值较大)的白色固体,经核磁验证其结构为化合物2.12,收率14.1%,熔点:180-183℃;同时还得到3.52克极性较强(TLC:Rf值较小)的白色固体,经核磁验证其结构为化合物2.4,收率:77%,熔点:178-182℃。
(3)、化合物1.10、化合物1.27的合成
Figure PCTCN2014092000-appb-000021
向反应瓶中加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二溴苯甲酰胺(1克,2.48毫摩尔)、20毫升乙腈,滴加3-溴-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(0.96克,2.98毫摩尔,其制备参见WO03/015519)的乙腈溶液(10毫升)。回流反应2小时,蒸去溶剂,加入乙酸乙酯(150毫升),饱和碳酸氢钠(50毫升)洗涤两次,饱和盐水(50毫升)洗涤 一次,无水硫酸镁干燥,浓缩后得1.6克红色油状物,其中极性较弱(HPLC:保留时间较长)与极性较强(HPLC:保留时间较短)2个主产物的比例为48﹕52,总含量为68%,收率66%。通过柱色谱分离(淋洗液:乙酸乙酯﹕石油醚=1﹕1)得0.4克极性较弱(TLC:Rf值较大)的黄色固体,经核磁验证其结构为化合物1.27,收率22.5%,熔点:164-168℃;同时还得到0.52克极性较强(TLC:Rf值较小)的白色固体,经核磁验证其结构为化合物1.10,收率:26.5%,熔点:172-175℃。
实施例4、化合物1.38的制备
(1)、化合物2.12的合成
Figure PCTCN2014092000-appb-000022
向反应瓶中依次加入2-氨基-N-(1-氨基-2-甲基-1-氧代丙-2-基)-3,5-二溴苯甲酰胺(1克,2.64毫摩尔)、二氧六环(20毫升),室温下,滴加氢氧化钠(0.21克,5.28毫摩尔)的10%水溶液,80℃反应4h,减压蒸尽溶剂,向残余物中加入乙酸乙酯(100毫升),水(50毫升)分液萃取,有机相依次用饱和食盐水(50毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:3)得0.73克白色固体化合物2.12,收率:72%,熔点:178-182℃。
(2)、化合物1.38的的合成
Figure PCTCN2014092000-appb-000023
向反应瓶中加入2-(2-氨基-3,5-二溴苯基)-4,4-二甲基-4H-咪唑基-5-羟基(0.7克,1.94毫摩尔)、20毫升乙腈,滴加3-溴-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(0.75克,2.33毫摩尔,其制备参见WO03/015519)的乙腈溶液(5毫升)。回流反应2小时,减压蒸尽溶剂,向残余物中加入乙酸乙酯(300毫升),水(100毫升)分液萃取,有机相依次用饱和食盐水(50毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:4)得0.52克白色固体化合物1.38,收率:41.5%,熔点:182-184℃。
按照以上方法可以制备本发明其他通式I化合物。
对照实施例5、KC1的制备
(1)、2-氨基-3,5-二溴苯甲酸的合成
Figure PCTCN2014092000-appb-000024
向三口瓶中依次加入2-氨基苯甲酸(10克,72.9毫摩尔)、DMF(50毫升),室温搅拌至原料完全溶解后,分批加入N-溴代丁二酰亚胺(27.3克,153毫摩尔),80℃反应1h后反应完全,将反应液慢慢倒入适量碎冰中剧烈搅拌,有固体析出,过滤,滤饼用自来水洗涤2次,自然风干得17.8g黄色固体,收率:83%。
(2)、2-(2-氨基-3,5-二溴苯甲酰胺基)丙酸甲酯的合成
Figure PCTCN2014092000-appb-000025
向反应瓶内加入2-氨基-3,5-二溴苯甲酸(17.75克,60毫摩尔)、氯化亚砜(21.48克,181毫摩尔),混合物加热回流3小时,减压蒸尽溶剂,得红褐色油状物。
向反应瓶内加入D,L-丙氨酸甲酯盐酸盐(8.4克,60毫摩尔)、100毫升四氢呋喃、三乙胺(13.4g,132毫摩尔),滴加上步2-氨基-3,5-二溴苯甲酰氯的四氢呋喃溶液(50毫升)。室温下搅拌12小时,减压蒸尽溶剂,向残余物中加入乙酸乙酯(200毫升),水(100毫升)分液萃取,有机相依次用饱和食盐水(50毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:5)得8.2克白色固体,收率:35%,熔点:107-109℃。
1H NMR(300MHz,DMSO-d6):8.79(d,1H),7.80(d,1H),7.62(d,1H),6.52(s,2H),4.42(m,1H),3.67(s,3H),1.41(d,3H)。
(3)、2-氨基-N-(2-丙酰胺基)-3,5-二溴苯甲酰胺的合成
Figure PCTCN2014092000-appb-000026
向反应瓶中加入2-(2-氨基-3,5-二溴苯甲酰胺基)丙酸甲酯(2克,5.26毫摩尔),氨水(37克,25%,263毫摩尔),甲醇(50毫升),回流反应8小时,冷却。减压蒸尽溶剂,向残余物中加入乙酸乙酯(100毫升),水(50毫升)分液萃取,有机相依次用饱和食盐水(50毫升)洗涤,无水硫酸镁干燥,减压蒸尽溶剂,残余物柱色谱提纯(淋洗液:乙酸乙酯:石油醚=1:1),得0.74g白色固体,收率:38.5%,熔点:210-213℃。
1H NMR(300MHz,DMSO-d6):8.45(d,1H),7.80(d,1H),7.56(d,1H),7.27(s,1H),6.83(s,1H),6.45(s,2H),4.36(m,1H),1.34(d,3H)。
按上述条件在制备2-氨基-N-(2-丙酰胺基)-3,5-二溴苯甲酰胺过程中,反应液通过TLC、 HPLC分析无明显副产物生成,粗品经核磁分析无合环产物生成。参考本发明实施例4步骤1条件,以2-氨基-N-(2-丙酰胺基)-3,5-二溴苯甲酰胺为原料在氢氧化钠条件下,反应液经TLC、HPLC检测无明显新产物生成,粗品经核磁分析为原料,无合环产物生成。
(4)、KC1的合成
Figure PCTCN2014092000-appb-000027
向反应瓶中加入2-氨基-N-(1-氨基-1-氧代丙-2-基)-3,5-二溴苯甲酰胺(0.5克,1.37毫摩尔)、乙腈(10毫升),滴加3-溴-1-(3-氯吡啶-2-基)-1H-吡唑-5-甲酰氯(0.66克,2.05毫摩尔,其制备参见WO03/015519)的乙腈溶液(5毫升)。回流反应2小时,冷却,过滤,滤饼用甲醇(10毫升)洗涤,得到KC10.57g白色固体,收率:64%,熔点:250-251℃。
1H NMR(300MHz,DMSO-d6):10.46(s,1H),8.45(s,1H),8.33(d,1H),8.03(d,1H),7.91(s,1H),7.76(s,1H),7.54(t,1H),7.40(s,1H),7.13(s,1H),6.81(s,1H),4.21(m,1H),1.18(d,3H)。
按上述条件在制备KC1过程中,反应液通过TLC、HPLC分析无明显副产物生成,粗品经核磁分析无合环产物生成。
参照KC1的制备方法制得KC2
白色固体,收率:29.7%,熔点:243-244℃。
1H NMR(300MHz,DMSO-d6):10.39(s,1H),8.45(d,1H),8.29(d,1H),8.07(d,1H),7.56(m,2H),7.44(dd,1H),7.40(s,1H),7.21(s,1H),6.92(s,1H),4.21(m,1H),1.18(d,3H)。
对照化合物KC1、KC2的物性数据与文献报道(CN1653051A中的化合物47、48)数据相一致。
生物活性测定结果
实例6、杀虫活性的测定
6.1杀小菜蛾活性的测定
采用喷雾法。选温室培养的甘蓝叶片,除去表面腊质层,用打孔器打成直径为3cm的圆形叶碟,按试验设计从低剂量到高剂量的顺序,用airbrush手动喷雾机将配制好的药液均匀喷于叶片正反面,置于放有滤纸的直径为6cm的培养皿中,自然阴干后接入整齐的健康试虫(3龄),每处理10头,设清水处理为空白对照。将处理后的试材置于一定条件的观察室中,72h后调查死活虫数,计算死亡率。
部分供试的化合物中,下列化合物在浓度为100ppm时对小菜蛾的防治效果较好,死亡率大于或等于80%:1.3、1.4、1.5、1.6、1.7、1.8、1.9、1.10、1.13、1.20、1.21、1.22、1.23、1.24、1.25、1.26、1.27、1.28、1.35、1.36、1.37、1.38、1.39。
部分供试的化合物中,下列化合物在浓度为10ppm时对小菜蛾的防治效果较好,死亡率大于或等于80%:1.3、1.4、1.5、1.6、1.7、1.8、1.9、1.10、1.13、1.20、1.21、1.22、1.23、1.24、1.25、1.26、1.27、1.28、1.35、1.36、1.37、1.38、1.39。
按照以上方法,选取化合物1.3、1.4、1.8、1.10和已知化合物KC1、KC2(CN1653051A中的化合物47、48)进行了杀小菜蛾活性的平行测定。试验结果见表3。
表3:部分本发明化合物与已知化合物杀小菜蛾活性平行比较(死亡率,%)
Figure PCTCN2014092000-appb-000028
6.2杀粘虫活性的测定
采用喷雾法。选温室栽培的新鲜玉米中部叶片剪成3cm小段,按试验设计从低剂量到高剂量的顺序,将配制好的药液均匀喷于叶片正反面,置于放有滤纸的直径为6cm的培养皿中,自然阴干后接入整齐的健康试虫(3龄),每处理10头,设清水处理为空白对照。将处理后的试材置于一定条件的观察室中,72h后调查死活虫数,计算死亡率。
部分供试的化合物中,下列化合物在浓度为100ppm时对粘虫的防治效果较好,死亡率大于或等于80%:1.3、1.4、1.5、1.6、1.7、1.8、1.9、1.10、1.13、1.20、1.21、1.22、1.23、1.24、1.25、1.26、1.27、1.28、1.35、1.36、1.37、1.38、1.39、1.40。
部分供试的化合物中,下列化合物在浓度为10ppm时对粘虫的防治效果较好,死亡率大于或等于80%:1.3、1.4、1.6、1.8、1.13、1.20、1.21、1.22、1.23、1.24、1.25、1.26、1.27、1.28、1.35、1.36、1.37、1.38、1.39、1.40。
按照以上方法,选取化合物1.3、1.4、1.8、1.10和已知化合物KC1、KC2(CN1653051A中的化合物47、48)进行了杀粘虫活性的平行测定。试验结果见表4。
表4:部分本发明化合物与已知化合物杀粘虫活性平行比较(死亡率,%)
Figure PCTCN2014092000-appb-000029
Figure PCTCN2014092000-appb-000030
6.3杀桃蚜活性的测定
根据待测化合物的溶解性,原药用丙酮或二甲亚砜溶解,然后用1‰的吐温80溶液配制成所需浓度的待测液50毫升,丙酮或二甲亚砜在溶液中的含量不超过10%。
取直径6cm培养皿,皿底覆一层滤纸,并滴加适量自来水保湿。从培养桃蚜的甘蓝植株上剪取大小适宜且长有30-50头桃蚜的甘蓝叶片,去除有翅蚜及正面的蚜虫,叶背向上置于培养皿内。用Airbrush喷雾机在叶片正反面均匀喷雾(喷雾压力:10psi,折合0.7kg/cm2;喷液量:0.5mL;喷雾距离:15-20cm)。将培养皿移至标准观察室内(23-25℃,40-60%R.H.,L/D为13h:11h),观察期间如有需要则在皿底滴加适量自来水以保持叶片新鲜。48h后调查死活虫数,计算死亡率
部分供试的化合物中,下列化合物在浓度为600ppm时对桃蚜的防治效果较好,死亡率在80%以上:1.3、1.4、1.5、1.6、1.8、1.9、1.10、1.13、1.20、1.21、1.22、1.23、1.26、1.27、1.36、1.37、1.38、1.39。
部分供试的化合物中,下列化合物在浓度为100ppm时对桃蚜的防治效果较好,死亡率在80%以上:1.3、1.4、1.5、1.6、1.7、1.8、1.9、1.10、1.13、1.20、1.22、1.23、1.26、1.27、1.36、1.37。
按照以上方法,选取化合物1.3、1.4、1.8、1.10和已知化合物KC1、KC2(CN1653051A中的化合物47、48)进行了杀桃蚜活性的平行测定。试验结果见表5。
表5:部分本发明化合物与已知化合物杀桃蚜活性平行比较(死亡率,%)
Figure PCTCN2014092000-appb-000031
6.4、内吸活性测定
将栽培至3cm左右高的蚕豆苗(蚕豆苗上预先接好2日龄蚕豆蚜若蚜若干),移栽至装有细沙的纸杯中,灌入按试验设计配好的药液,72h后调查死活蚜虫数。试验结果见表6。
表6部分本发明化合物与已知化合物杀蚕豆蚜茎内吸活性平行比较(死亡率,%)
Figure PCTCN2014092000-appb-000032
6.5、防治苹果树蚜虫田间药效试验
试验于中国农业科学院果树研究所果园进行。供试品种为新红星,试验时间为2014年6月,苹果树蚜虫发生初期,采用担架式动力喷雾器(ZL-22-160型)喷雾处理,每个处理4次重复,施药前调查虫口基数,施药后2天、7天和14天各调查一次,计算防治效果。对照药剂10%溴氰虫酰胺SC,购自上海杜邦农化有限公司。试验结果见表7。
表7防治苹果树蚜虫田间药效试验结果
Figure PCTCN2014092000-appb-000033
6.6、防治甘蓝蚜虫田间药效试验
试验在中国农业科学院蔬菜花卉研究所南口基地进行,试验作物为甘蓝(品种:京丰)。供试药剂处理剂量为15g a.i./hm2,对照药剂10%溴氰虫酰胺SC处理剂量为30g a.i./hm2,植株全株均匀喷雾,喷液量:750L/hm2,4次重复,随机区组排列。施药器械为“MATABI”SUPER GREEN 16背负式手动喷雾器。每小区采取对角线法取5点,每点固定2株甘蓝,每小区共调查10株。施药前调查各小区甘蓝蚜虫虫口基数,药后1d、3d、7d、14d分别调查残虫数,计算防治效果。
计算方法:
虫口减退率(%)=(药前虫数-药后虫数)/药前虫数×100
防治效果(%)=(处理区虫口减退率-空白对照区虫口减退率)/
                           (100-空白对照区虫口减退率)×100
对照药剂10%溴氰虫酰胺SC,购自上海杜邦农化有限公司。试验结果见表8。
表8防治甘蓝蚜虫田间药效试验结果
Figure PCTCN2014092000-appb-000034

Claims (8)

  1. 一种吡唑酰胺类化合物,如通式I所示:
    Figure PCTCN2014092000-appb-100001
    式中:
    R1选自F、Cl、Br或I;R2选自F、Cl、Br或I;R3选自Cl或Br;R4选自Cl或H;
    Q选自如下所示的Q1、Q2或Q3
    Figure PCTCN2014092000-appb-100002
  2. 按照权利要求1所述的化合物,其特征在于,通式I中:
    R1选自Cl或Br;R2选自Cl或Br;R3选自Cl或Br;R4选自Cl或H;
    Q选自Q1、Q2或Q3
  3. 按照权利要求2所述的化合物,其特征在于,通式I中:
    R1选自Cl;R2选自Cl;R3选自Cl或Br;R4选自H;
    Q选自Q1或Q2
  4. 一种制备权利要求1所述的通式I化合物的中间体,如通式II所示:
    Figure PCTCN2014092000-appb-100003
    式中:
    R1选自F、Cl、Br或I;R2选自F、Cl、Br或I。
    W选自Q1或Q3
  5. 一种权利要求1所述的通式I化合物的制备方法,反应式如下:
    Figure PCTCN2014092000-appb-100004
    式中:
    R1选自F、Cl、Br或I;R2选自F、Cl、Br或I;R3选自Cl或Br;R4选自Cl或H;
    Q选自Q1、Q2或Q3
    W选自Q1或Q3
  6. 一种按照权利要求1所述的通式I化合物用于控制虫害的用途。
  7. 一种杀虫组合物,含有如权利要求1所述的通式I所示化合物为活性组分和农业、林业或卫生上可接受的载体,组合物中活性组分的重量百分含量为1-99%。
  8. 一种控制虫害的方法,其特征在于:将权利要求7所述的组合物以每公顷10克到1000克的有效剂量施于需要控制的害虫或其生长的介质上。
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CN112823629B (zh) * 2019-11-21 2022-08-02 沈阳中化农药化工研发有限公司 一种含双酰胺类化合物的种子处理剂及其应用
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