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Insecticidal composition containing fluensulfone

An insecticidal composition, the technology of fluorine sulfone, which is applied in the field of pesticides, can solve the problems of easy aggregation and other problems, and achieve the effects of low production cost, synergistic effect of pesticides, and mild reaction conditions

Inactive Publication Date: 2021-12-24
合肥巨卓农业科技合伙企业(有限合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (2) Polyethylene glycol is dissolved in acetone and added in a three-necked flask, the catalyst is added dropwise, and m-xylylene isocyanate is added dropwise to obtain intermediate E, and maleic anhydride is added to intermediate E to obtain the Active auxiliary agent, by adding this active auxiliary agent, the problem of easy aggregation during use is solved

Method used

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  • Insecticidal composition containing fluensulfone
  • Insecticidal composition containing fluensulfone
  • Insecticidal composition containing fluensulfone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] This embodiment is an insecticidal composition containing fluorine sulfone, comprising the following components in parts by weight:

[0043] 60 parts of sulfone, 10 parts of composition, 4 parts of synergist, 3 parts of active auxiliary, 30 parts of filler or solvent;

[0044] Wherein the synergist is prepared by the following steps:

[0045] S1: Add maleic anhydride to a three-necked flask, stir and heat up to 140°C, add phosphoric acid and cocatalyst iodine, add α-terpinene dropwise, control the dropping rate to 2 drops / s, keep the temperature at 155°C, and keep stirring 2h, lower the temperature, extract, wash twice with saturated brine, then wash twice with distilled water, and dry with anhydrous sodium sulfate to obtain intermediate A;

[0046] S2: Using ethyl acetate as a solvent, dissolve p-cymeniline and intermediate A respectively, then add the p-cymeniline solution dropwise to the intermediate A solution in the reaction bottle, and control the dropping rate t...

Embodiment 2

[0054] This embodiment is an insecticidal composition containing fluorine sulfone, comprising the following components in parts by weight:

[0055] 30 parts of fluorine sulfone, 5 parts of composition, 2 parts of synergist, 3 parts of coagent, 20 parts of filler or solvent;

[0056] Wherein the synergist is prepared by the following steps:

[0057] S1: Add maleic anhydride in a three-necked flask, stir to raise the temperature to 140°C, add phosphoric acid and cocatalyst iodine, add α-terpinene dropwise, control the dropping rate to 1 drop / s, keep the temperature at 145°C, and keep stirring 2h, lower the temperature, extract, wash twice with saturated brine, then wash twice with distilled water, and dry with anhydrous sodium sulfate to obtain intermediate A;

[0058] S2: Using ethyl acetate as a solvent, dissolve p-cymeniline and intermediate A respectively, then add the p-cymeniline solution dropwise to the intermediate A solution in the reaction bottle, and control the drop...

Embodiment 3

[0066] This embodiment is an insecticidal composition containing fluorine sulfone, comprising the following components in parts by weight:

[0067] 50 parts of sulfone, 10 parts of composition, 5 parts of synergist, 5 parts of active auxiliary, 20 parts of filler or solvent;

[0068] Wherein the synergist is prepared by the following steps:

[0069] S1: Add maleic anhydride in a three-necked flask, stir to raise the temperature to 145°C, add phosphoric acid and cocatalyst iodine, add α-terpinene dropwise, control the dropping rate to 2 drops / s, keep the temperature at 155°C, and keep stirring 3h, lower the temperature, extract, wash with saturated brine for 3 times, then wash with distilled water for 3 times, and dry with anhydrous sodium sulfate to obtain intermediate A;

[0070] S2: Use ethyl acetate as a solvent to dissolve p-cymeniline and intermediate A respectively, then add the p-cymeniline solution dropwise to the intermediate A solution in the reaction bottle, and co...

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Abstract

The invention discloses an insecticidal composition containing fluensulfone, and relates to the field of pesticides. Maleic anhydride, phosphoric acid and a cocatalyst iodine are added into a three-neck flask, alpha-terpinene is dropwise added, an intermediate A is obtained, a p-isopropylaniline solution is dropwise added into the intermediate A solution in the reaction flask, an intermediate B is obtained, and a catalyst and a dehydrating agent are added into the reaction system to obtain the synergistic auxiliary agent. The problems that in the using process, condensation is prone to occurring, the pesticide effect is low, a large amount of pesticide needs to be sprayed, pesticide waste is caused, and the environment is damaged are solved. Due to the amphiphilic structure of an active auxiliary agent, the hydrophobic part of the active auxiliary agent can be adsorbed on the surfaces of particles, and the hydrophilic part of the active auxiliary agent is dissolved in a dispersion medium serving as a continuous phase, so that the active auxiliary agent has a steric hindrance effect, obstacles are generated among the surfaces of pesticide particles, and the pesticide particles are prevented from getting close to each other to generate condensation, thereby forming a stable dispersion system and achieving the purpose of difficulty in condensation.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to an insecticidal composition containing fluorine sulfone. Background technique [0002] Fluorine sulfone is a new type of heterocyclic fluorosulfone low-toxicity nematicides. It is a metabolic inhibitor for plant parasitic nematodes to obtain energy reserves. It kills nematodes by blocking the energy channels of nematodes through contact with nematodes. [0003] Emamectin benzoate is a new type of high-efficiency semi-synthetic antibiotic insecticide, which has the characteristics of ultra-high efficiency, low toxicity, no residue, no pollution and other biological pesticides, and has no harm to beneficial insects in the process of controlling pests , which is conducive to the integrated control of pests, especially for Lepidoptera, Diptera, and thrips, such as red-banded leaf roller, aphid armyworm, cotton bollworm, tobacco hornworm, diamondback armyworm, beet armyworm , Spodoptera mot...

Claims

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Application Information

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IPC IPC(8): A01N43/78A01N43/90A01N43/38C07D307/00C07D209/76C07C231/02C07C233/58A01P7/04C08G18/83C08G18/48
CPCA01N43/78A01N43/90A01N43/38C07D307/00C07D209/76C07C231/02C08G18/831C08G18/4833C07C2602/44C07C233/58
Inventor 刘言合陈琦
Owner 合肥巨卓农业科技合伙企业(有限合伙)