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138 results about "Lufenuron" patented technology
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Lufenuron is the active ingredient in the veterinary flea control medication program, and one of the two active ingredients in the flea, heartworm, ringworm and anthelmintic medicine milbemycin oxime/lufenuron (Sentinel).
Ultralow volume liquid containing benzoylurea insecticide
InactiveCN102379282AEasy to processHigh efficiency of pesticide applicationBiocideAnimal repellantsNicotiana tabacumAdjuvant
The invention relates to the field of pesticides, in particular to ultralow volume liquid containing benzoylurea insecticide, which comprises active ingredients, solvent and adjuvant. The active ingredient I is optional one of lufenuron, diflubenzuron, triflumuron, chlorfluazuron and chlorbenzuron belonging to benzoylurea, and the active ingredient II is insecticide of another type of function mechanism. The ultralow volume liquid containing benzoylurea insecticide has the advantages of simplicity in processing, high efficiency, water saving, long-term effect, a target being not easy to resist the insecticide, low environmental pollution, synergy and the like. Application of ultralow volume spray, low volume spray or ultralow volume static spray is well effective in controlling ostrinia furnacalis, sugarcane borer, locust, peach fruit borer, lesser green leaf hopper, striped flea beetle, bean fly, diamond back moth, prodenia litura, cabbage caterpillar, leaf beetle, thrip, leaf miner, inchworm, red spider and the like, and the ultralow volume liquid containing benzoylurea insecticide can be used for effectively controlling various pests on wheat, maize, vegetables, tobacco plants, tea plants, fruit trees, cotton plants, woods and sugarcanes.
Owner:GAUNGXI TIANYUAN BIOCHEM
Emamectin benzoate solid lipid nanoparticle and preparation method and application thereof in pesticide formulation
InactiveCN101692808AHigh affinityDelayed photolysisBiocideAnimal repellantsWater dispersibleChlorfenapyr
The invention discloses an emamectin benzoate solid lipid nanoparticle and a preparation method for a water dispersible granule, a suspension concentrate and wettable powder of the composition of the emamectin benzoate solid lipid nanoparticle with lufenuron, indoxacarb, pleocidin, chlorfenapyr and chlorantraniliprole. Compared with the composition preparation which is prepared by directly adopting the emamectin benzoate raw pesticide as raw material, the emamectin benzoate solid lipid nanoparticle has the advantages of improving the chemical stability of hot and cold storage, reducing the photolysis rate, prolonging efficacy time, reducing dosage, and significantly improving insecticidal effect.
Owner:SHENZHEN NOPOSION AGROCHEM
Lufenuron-containing aqueous emulsion and preparation method thereof
The invention provides a lufenuron-containing aqueous emulsion and a preparation method thereof. The aqueous emulsion mainly comprises an active component A, an active component B, solvent, emulsifier and water, wherein the active component A is lufenuron; the active component B is imidacloprid, acetamiprid, lambda-Cyhalothrin, beta-cypermethrin or chlorpyrifos; the solvent is one or more of aromatic hydrocarbons, alkyl phthalate esters, alkylene carbonic esters, ionic liquids and N-alkyl pyrrolidones; and the emulsifier is one of mixture of anionic and nonionic surfactants. The preparation method comprises: (1) preparing an oil phase and an aqueous phase; and (2) adding the oil phase to the aqueous phase or adding the aqueous phase to the oil phase under a high-shear condition so as to obtain the aqueous emulsion. The lufenuron-containing aqueous emulsion has the advantages of high stability and small particle size.
Owner:SHENZHEN NOPOSION AGROCHEM
Water emulsion containing pleocidin and preparation method thereof
The invention discloses a water emulsion containing pleocidin and a preparation method thereof. The water emulsion comprises the following components: A) the pleocidin; and B) abamectin, methylamino-abamectin benzoate, efficient bifenthrin, lufenuron, efficient cypermethrin, chlorfenapyr, chlorfluazuron, diafenthiuron, thiamethoxam or fipronil. The stable water emulsion is prepared by adding a proper amount of auxiliary agents such as an emulsifying agent, a thickening agent, an antifreezing agent, a UV-protecting agent, a defoaming agent and the like and the balance of water through a certain processing technique. A nuisanceless solvent is used for preparing the water emulsion to avoid adverse effects on the environment, a user and the health of a producer caused by a harmful solvent. The water emulsion has board-spectrum and efficient insecticidal properties, can be applied to the comprehensive control and resistance control on pests, and is suitable to be used on nuisanceless vegetables, fruit trees, grains and cotton.
Owner:SHENZHEN NOPOSION AGROCHEM
Disinsection composition with synergistic action
InactiveCN101380008AStrong synergistic control effectStrong adhesionBiocideArthropodicidesAbamectinSuspending Agents
The invention relates to a pesticide composite, which has a component A and a component B, wherein the component A is lufenuron and the component B is one of abamectin and emamectin-benzoate. A formulation screening test result shows that a microemulsion, an aqueous agent, a suspending agent or a water dispersible granule is prepared by combining the lufenuron and the abamectin, or the lufenuron and the emamectin-benzoate according to a certain proportion and the preparation obtained has obvious synergic effect and lasting effect after the combination; furthermore, the pesticide composite acquires multiple functions on diamond back moths, asparagus caterpillars and other pests of vegetables, fruit trees and cotton, such as wide spectrum, high efficiency, low toxicity, low pollution and low residual, remarkably reduces the using amount and using frequencies of the medicines, reduces cost and defers the drug resistance of the pests.
Owner:张少武
Insecticidal composition with synergistic action
InactiveCN101637158ADelay drug resistanceSynergisticBiocideAnimal repellantsArthropod mouthpartsLeafhopper
The invention discloses an insecticidal composition comprising the effective components of screw worm ethyl and another insecticidal active component (B), wherein the mass ratio of the screw worm ethyl and the B is 40:1-1:80. In the invention, the insecticidal active component B is one of diafenthiuron and lufenuron. The screw worm ethyl and the diafenthiuron or the lufenuron are compounded, havean obvious synergistic action, can reduce the use quantity of effective components and expand prevention and treatment spectra. The composition can be used for preventing and treating various pests inagriculture and is especially suitable for preventing and treating pests with sucking mouth parts, such as aphides, whiteflies, thrips, plant hoppers, leafhoppers and the like.
Owner:SHENZHEN NOPOSION AGROCHEM
Ultra-low volume combination medicament for controlling cotton noctuidae pest
The invention discloses an ultra-low volume concentrate for controlling cotton noctuidae pests, which is prepared into an electrostatic spraying liquid formulation with the following components in parts by weight: 0.1-90 parts of active component, 15 parts of conductive agent, 20 parts of cosolvent and balance of solvent, wherein the active component comprises any one of emamectin benzoate, methomyl, chlorpyrifos, lufenuron, indoxacarb and chlorfenapyr; and an active component A and an active component B account for 0.1%-95% of the total weight of the combination. The single agent is any one of the following active components, and the active components account for 0.1%-90% of the total weight. The weight ratio of the active component A to the active component B is 0.1:90-90:0.1. The invention has high controlling effect, low dosage, environment protection, convenient processing, low cost, good reagent effect, long persistent effect and high work efficiency, and can reduce environment pollution, improves utilization ratio of pesticides, reduces pesticide consumption and is suitable for electrostatic spraying.
Owner:GAUNGXI TIANYUAN BIOCHEM
Pesticidal composition
InactiveUS20080009452A1Effective knock-down actionEffective long-term actionBiocideDead animal preservationFipronilNovaluron
Owner:MAKHTESHIM CHEM WORKS
Synergistic insecticidal composition and application thereof
InactiveCN101653123AExtended service lifeDelays resistance developmentBiocideAnimal repellantsBenzoylphenylureaToxicology
The invention relates to a pesticide composition. The composition is characterized by comprising tolfenpyrad (A) and another benzoylphenylurea pesticide active constituent (B), wherein the (B) can belufenuron, hexaflumuron, ehlorfluazuron, flufenoxuron or chlorbenzuron. The invention also relates to an application of the pesticide composition in preventing and curing pests of crops.
Owner:SHENZHEN NOPOSION AGROCHEM
Pesticide composition
InactiveCN103563950AGood synergyGood lasting effectBiocideAnimal repellantsChlorfenapyrActive component
The present invention discloses a pesticide composition, which contains an active component A and an active component B, wherein the active component A is selected from propylene glycol alginate, the active component B is any one compound selected from spirotetramat, chlorfenapyr, lufenuron, pyriproxyfen, metaflumizone and pyridalyl, and a weight ratio of the active component A to the active component B is 1:80-40:1. The composition provides high activities for a plurality of pests of a plurality of crops, and has characteristics of significant synergistic effect, pest killing spectrum expanding, low use amount, rainfall erosion resistance, and significant synergy.
Owner:SHAANXI MEIBANG PHARMA GRP CO LTD
Agricultural chemical composition for disinsection and use thereof
ActiveCN101485329ASignificant synergyOvercoming and delaying drug resistanceBiocideAnimal repellantsCross-resistanceToxicology
The invention provides an insecticidal farm chemical composition and application thereof. The composition adopts one of diafenthiuron or lufenuron, and indoxacarb as active components. The composition has the advantages that: (1) compared with a mono agent, the composition has obvious synergism to lepidoptera pests and improves the control effect; (2) the action mechanisms of the active components and the conventional insecticides of organic phosphorus, pyrethroid and the like are different without cross resistance, and are different from using more methylamino avermectin benzoate, so that the field drug dosage is reduced greatly and the cost is reduced; (3) the difference of the action mechanisms of the active components in the composition is advantageous to overcome and retard the generation of pest drug resistance; and (4) the composition enlarges the controlling spectrum, and has double effects on treating various pests appearing simultaneously.
Owner:SHENZHEN NOPOSION AGROCHEM
Synergistic compound pesticide contg. lurfenuron and Avermectins or methyl amino Avermectins benzoate, and its application
Owner:NANJING REDSUN
Lufenuron multiple emulsion and preparation method thereof
The invention provides lufenuron multiple emulsion which comprises the following components by mass percent: 2-30% of lufenuron, 2-10% of emulsion, 2-25% of solvent and water. Compared with the prior art, in the invention, the lufenuron multiple emulsion of the invention utilizes water to replace most of the organic solvent in lufenuron missible oil; the used solvent does not contain any aromatic solvent; the used emulsion has favorable biological degradation performance, is more friendly and safe to environment, reduces the toxicity of pesticides, and improves the safety in production and storage and transportation processes.
Owner:SHENZHEN NOPOSION AGROCHEM
Cyantraniliprole-containing pesticidal composition
InactiveCN103283744AHigh activityExpand insecticidal spectrumBiocideDead animal preservationChlorfenapyrSuspending Agents
The invention discloses a cyantraniliprole-containing pesticidal composition. The composition is mainly characterized by containing an active component A, an active component B and the balance of assistant, wherein the active component A is cyantraniliprole, and the active component B is pymetrozine, chlorfenapyr, ethiprole, pyriproxyfen or lufenuron; the weight ratio of the active component A to the active component B is 60:1-1:60; and the composition can be prepared into wettable powder, water-dispersible granules, a suspending agent, a suspended emulsion, an aqueous emulsion, a microemulsion, a microcapsule suspending agent and a microcapsule suspending-suspending agent. The composition can prevent and treat many pests, has an obvious synergistic action and a slow-release action, reduces the pesticide consumption, is safe for human and livestock, does not have chemical injury, and has favorable environmental compatibility; and the preparation has the advantages of higher adhesive force, rainfall erosion resistance, long lasting period and the like.
Owner:陕西亿田丰作物科技有限公司
Insecticidal pesticide composition containing SYP-9625
The invention discloses an insecticidal pesticide composition containing SYP-9625. Effective active components is prepared from an active component A and an active component B, wherein the active ingredient A is the SYP-9625; the active component B is selected from any one of the following compounds: abamectin, fenpropathrin, chlorfenapyr and lufenuron; the weight ratio of the active component A to the active component B ranges from (1 : 80) to (80 : 1). The composition has a synergistic effect on a plurality of types of injurious insects which cause dangers to agricultural production, so that the dosage of pesticides is reduced, the residual amount of the pesticide on crops is reduced and environment pollution is alleviated; the insecticidal pesticide composition is safe to human and livestock and has good environmental compatibility, and the injurious insects does not easily have drug resistance on the insecticidal pesticide composition.
Owner:陕西亿田丰作物科技有限公司
Control of Subterranean Termites
InactiveUS20140026468A1Effective controlIncrease consumptionBiocideDead animal preservationAureobasidium sp.Toxicant
A biological control is disclosed for termites, including subterranean termites such as C. formosanus, comprising a mixture of a chitin synthesis inhibitor such as lufenuron with a pathogen or opportunistic pathogen. The combination greatly enhances the effectiveness above that of the individual components. For example, P. aeruginosa is commonly found in association with termites, but it is not normally harmful to termites. However, in the presence of lufenuron, P. aeruginosa becomes an opportunistic pathogen that kills termites. As another example, B. thuringiensis, which otherwise has shown only limited effectiveness against termites, has greatly enhanced lethality in combination with lufenuron. In another aspect a termite toxicant is administered to termites in a clay-based bait. Clay acts as an attractant for subterranean termites such as C. formosanus, and a clay bait can increase a colony's consumption of a toxicant.
Owner:BOARD OF SUPERVISORS OF LOUISIANA STATE UNIV & AGRI & MECHANICAL COLLEGE
Insecticidal/acaricidal composition having lufenuron and tebufenozide
ActiveCN101637172AExpand the spectrum of prevention and treatmentOvercoming and delaying drug resistanceBiocideAnimal repellantsHomopteraPesticide residue
The invention relates to an insecticidal (acaricidal) composition having lufenuron and tebufenozide and application thereof. The insecticidal (acaricidal) composition mainly comprises the lufenuron and the tebufenozide and comprises an accessory ingredient and excipients, wherein the mass part ratio of the lufenuron to the tebufenozide is 10:1-1:50. The composition can be prepared into microemulsion, a suspending agent, aqueous emulsion, water dispersible granules, wetting powder or missible oil. The insecticidal (acaricidal) composition has a synergy effect, broadens pest prevention spectra,overcomes and stays the drug fastness of the pest, prolongs the service life of pesticides, and reduces the cost and the pesticide residue. The composition can prevent and treat Lepidoptera, Homoptera, Thysanoptera, Acarina pest (acarus) on crops, especially can prevent and treat diamond back moth, spodoptera litura, trialeurodes vaporariorum, rust mite and the like. The effect of the compositionis obviously better than that of two pesticides used separately.
Owner:SHENZHEN NOPOSION AGROCHEM
Synergic insecticide composition
ActiveCN101669473AExtended service lifeDelays resistance developmentBiocideAnimal repellantsAdditive ingredientBULK ACTIVE INGREDIENT
The invention relates to an insecticide composition which is characterized by comprising effective ingredients such as pyridalyl (A) and a benzoyl urea pesticide active ingredient (B), wherein, B is lufenuron, hexaflumuron, chlorfluazuron, flufenoxuron or chlorbenzuron. The insecticide composition of the invention has obvious synergic effect on lepidoptera pests in agriculture, especially has excellent control effect on diamond back moth, and can postpone generation and developemnt of drug resistance of the pests.
Owner:SHENZHEN NOPOSION AGROCHEM
Preparation method of lufenuron compound
InactiveCN103360284AHigh yieldSimple processUrea derivatives preparationOrganic compound preparationNitrationCombinatorial chemistry
The invention relates to a preparation method of a lufenuron compound. The preparation method comprises an addition reaction, a nitration reaction, a reduction reaction, an esterification reaction and a synthetic reaction. Compared with the prior art, the lufenuron product obtained by using the preparation method is high in yield, the technical process is simple and the cost is low.
Owner:连云港埃森化学有限公司
Pesticide composition containing lufenuron and fluazinam
The invention discloses a pesticide composition containing lufenuron and fluazinam. The pesticide composition comprises active ingredients, wherein the active ingredients are, in parts by weight, 1-30 parts of lufenuron and 1-60 parts of fluazinam. The pesticide composition disclosed by the invention is capable of overcoming and delaying pest resistance to pesticides, superior to a single dosage in control effect, resistant to rain wash, good in fast-acting property, long in lasting period, capable of reducing use times, time-saving and labour-saving, and capable of preventing many injurious insects and diseases simultaneously, thus reducing medication cost.
Owner:LIUZHOU HUINONG CHEM
Synergistic insecticidal compositions containing spinosad and lufenuron
InactiveCN101380004AOvercoming and delaying drug resistanceReduce pollutionBiocideArthropodicidesHigh resistanceSuspending Agents
The invention relates to a desinsection composite and the application thereof, and is characterized by particularly relating to a desinsection composition taking spinosad and lufenuron as the main active components and the application thereof. The desinsection composite formed by two effective components which are the spinosad and the lufenuron respectively and an additive and an excipient, and all the components can be prepared into an emulsifiable concentration, an aqueous emulsion, a microemulsion and a suspending agent, wherein the weight percentage of the spinosad and the lufenuron is 0.5-60: 1-40. The desinsection composite has the advantages of generating higher synergy, overcoming and deferring drug resistance of pests, enlarging a control spectrum, having quick acaricidal effect, reducing medication cost and lightening toxicity and the pollution to the environment, thus being suitable for controlling high-resistance diamond back moths and asparagus caterpillars. The effect of the composite is obviously higher than the relative single-dose use.
Owner:SHAANXI MEIBANG PHARMA GRP CO LTD
Metaflumizone-containing pesticidal composition
InactiveCN103283743AExpand insecticidal spectrumHigh activityBiocideAnimal repellantsSuspending AgentsHigh activity
The invention discloses a metaflumizone-containing pesticidal composition. The composition is mainly characterized by containing an active component A, an active component B and the balance of assistant, wherein the active component A is metaflumizone, and the active component B is lufenuron or pymetrozine; the weight ratio of the active component A to the active component B is 1:80-80:1; and the composition can be prepared into wettable powder, water-dispersible granules, a suspending agent, a suspended emulsion, an aqueous emulsion, a microemulsion, a microcapsule suspending agent and a microcapsule suspending-suspending agent. The composition disclosed by the invention can prevent and treat many ests, has an obvious synergistic action, widens the pesticidal spectrum, and has higher activity for pests on paddy rice, wheat, cotton, fruit trees and cruciferous vegetables. The metaflumizone-containing pesticidal composition enables the pesticide dosage to be reduced, is safe for human and livestock, does not have chemical injury, and has favorable environmental compatibility; the preparation has higher adhesive force and rainfall erosion resistance.
Owner:陕西亿田丰作物科技有限公司
Ultra-low-volume liquid containing lufenuron and carbamate pesticide
The invention relates to an ultra-low-volume liquid containing lufenuron and carbamate pesticide. Lufenuron and an active ingredient II are compounded to form a chemical component of the ultra-low-volume liquid, and remaining components of the ultra-low-volume liquid include a surfactant and a solvent. The active ingredient II is optionally one of carbosulfan, benfuracarb, nitrilacarb, fenobucarb, isoprocarb, triazamate, pirimicarb, metolcarb, dimethacarb, carbaryl, methiocarb, methomyl or thiodicarb. The ultra-low-volume liquid is convenient to process, long in lasting effect and high in work efficiency, targets cannot generate pesticide resistance easily, the environmental pollution is low, the pesticide and water are saved, the pesticide utilizing rate is improved, and various pests of rice, wheat, corns, vegetables, tobaccos, tea trees, fruit trees and sugarcane can be controlled by ultra-low-volume spraying, low-volume spraying or ultra-low-volume electrostatic spraying.
Owner:GAUNGXI TIANYUAN BIOCHEM
Microemulsion containing emamectin benzoate and lufenuron
InactiveCN104957161AImprove permeabilityImprove wettabilityBiocideAnimal repellantsBenzoic acidActive agent
The invention relates to a microemulsion containing emamectin benzoate and lufenuron. The microemulsion comprises the following components in percentage by weight: 0.2 to 10 percent of the emamectin benzoate, 0.5 to 30 percent of the lufenuron, 8 to 18 percent of solvent, 1 to 5 percent of levo-alpha-terpilenol, 3 to 12 percent of surfactant, 1 to 10 percent of synergist and the balance of water. The physical and chemical properties, such as excellent permeability, of the levo-alpha-terpilenol are used, and after the levo-alpha-terpilenol, the emamectin benzoate and the lufenuron are mixed, permeating, spreading and wetting capabilities of effective pesticide ingredients of a pesticide on body surfaces of insects and plants are enhanced; the preventing and treating effect is improved, and the waste of the effective ingredients is reduced. The emamectin benzoate and the lufenuron are compounded for use, so functions of synergistic interaction and insecticidal spectrum enlargement are achieved, and the microemulsion can prevent and treat larvae of crop lepidopteran insects and mite type pests remarkably.
Owner:广西兄弟农药厂(普通合伙)
Pesticide composition of chlorantraniliprole and benzoyl urea insecticides
InactiveCN104705329AExtended service lifeDelays resistance developmentBiocideAnimal repellantsTreatment effectOrder Lepidoptera
The invention relates to a mixed pesticide preparation containing a benzoyl urea insecticide. The mixed pesticide preparation comprises the effective components, namely chlorantraniliprole and benzoyl urea, wherein the benzoyl urea insecticide can be lufenuron, hexaflumuron, flufenoxuron, chlorfluazuron, chlorbenzuron, diflubenzuron or teflubenzuron and the like; the weight percent of the benzoyl urea is 1%-20%; the weight percent of the benzoyl urea insecticide is 1%-30%; and the preparation can be prepared into missible oil, a microemulsion, an emulsion in water, water dispersible granules, wettable powder or a suspending agent. According to the insecticidal composition, relatively high synergetic effects can be generated; resistance development of a synthesis inhibitor of benzoyl urea chitin is retarded; the service life of medicines is prolonged; prevention and treatment effects on lepidoptera pests are improved; and compared with that of the benzoyl urea insecticide, the fast-acting property is obviously improved.
Owner:TIANJIN AGRICULTURE COLLEGE
Complex composition containing lufenuron
InactiveCN101642121ASynergistic effect is obviousReduce pollutionBiocideAnimal repellantsFruit treeDrug resistance
The invention relates to a pesticide composition, and the effective components thereof are lufenuron and diafenthiuron, wherein the mass ratio of the lufenuron to the diafenthiuron is 5:1-1:40. The pesticide composition of the invention has obvious synergy to diamond back moth, spodoptera litura and cabbage caterpillar and the like, and also has favorable effect on preventing and treating other pests and mites on crops such as vegetable, fruit trees, cotton, soybean and tobacco. In comparison with single preparation, the dosage is reduced and the effect is improved, and the composition is helpful for the development of delaying the drug resistance of pests.
Owner:SHENZHEN NOPOSION AGROCHEM
Emamectin benzoate-lufenuron synergistic dry flowable and preparation method thereof
ActiveCN106359422ANo harmReduce labor intensityBiocideDead animal preservationTreatment effectHomoptera
The invention discloses an emamectin benzoate-lufenuron synergistic dry flowable and a preparation method thereof. The dry flowable comprises, by weight, 1 to 40% of emamectin benzoate, 5 to 80% of lufenuron, 5 to 10% of a dispersant, 1 to 5% of a wetting agent and 1 to 5% of a synergist, with the balance being a filling material. The preparation method comprises the following steps: adding the above components and distilled water into a batching tank and carrying out uniform mixing under stirring; then carrying out coarse cracking with a high-speed shearing machine; carrying out fine grinding in a two-stage sand milling machine; then allowing fine ground powder to enter a pressurized spray drying tower for drying and granulation; and then carrying out inspection to obtain a qualified dry flowable. The dry flowable provided by the invention is environment-friendly, has high efficiency, and exerts substantial prevention effect on Lepidoptera, Homoptera, Diptera and Thrip pests, especially substantial prevention and treatment effect on pests with resistance to pyrethrin and organophosphorus pesticides.
Owner:HEBEI VEYONG BIO CHEM
Insecticidal composition containing oxymatrine and benzoylurea components
ActiveCN102939978ADelays resistance developmentExtended service lifeBiocideAnimal repellantsCotton bollwormSpodoptera
The invention relates to an insecticidal composition containing oxymatrine and benzoylurea components. The mass ratio of the oxymatrine to benzoylurea insecticides is (1-40): (40-1). The benzoylurea insecticides are one or more of hexaflumuron, flufenoxuron, chlorfluazuron, lufenuron, novaluron, chlorbenzuron, diflubenzuron and teflubenzuron. The insecticidal composition can be used for preventing beet armyworms, rice leaf folders, cotton bollworms, plutella xylostellas, cabbage caterpillars, prodenia litura, apple skin worms, whiteflies and red spider mites.
Owner:HAINAN ZHENGYE ZHONGNONG HIGH TECH
Synthesis method of benzamide pesticide lufenuron
ActiveCN113292458AControl the drop rateImprove protectionUrea derivatives preparationIsocyanic acid derivatives preparationPtru catalystHexafluoropropylene
The invention discloses a synthesis method of benzamide pesticide lufenuron, 2, 5-dichlorophenol is takend as a raw material, the lufenuron is obtained through the steps of addition with hexafluoropropylene, nitration, reduction and condensation in sequence, and the synthesis method is characterized in that the addition step of 2, 5-dichlorophenol and hexafluoropropylene comprises the following steps: adding 2, 5-dichlorophenol (SMN-SM-1), acetonitrile, phenol and a sodium carbonate aqueous solution into a reaction kettle, uniformly stirring and mixing, vacuumizing, controlling the temperature of cooling water to be 20-25 DEG C, introducing hexafluoropropylene, controlling the ventilation speed to ensure that the temperature in the reaction kettle is not higher than 25 DEG C and no positive pressure exists in the reaction kettle, and carrying out heat preservation reaction for 1-1.5 hours after ventilation is finished to obtain an intermediate SMN-Z1; the method is high in yield, good in product quality and easy to operate, solvents and catalysts used in the whole production process are all recycled and reused, the production cost is reduced, meanwhile, environmental protection is facilitated, and the method is more suitable for industrial production requirements.
Owner:CHONGQING MEDICAL & PHARMA COLLEGE
Pesticide composition with lurfenuron and Dingchongmi as main active components, and its application
Owner:NANJING REDSUN
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