21 results about "Saflufenacil" patented technology

The present application relates to the field of pesticide chemical industry technology, and discloses a post-treatment method for a saflufenacil-containing reaction solution. The post-treatment method includes the following steps: (1) after phase separation of a saflufenacil-containing reaction solution, performing desolvation treatment on an organic phase, and then adding a first organic solvent for stirring; (2) after the stirring is completed, performing filtration, leaching an obtained filter cake with a second organic solvent, and obtaining saflufenacil after drying. The post-treatment method provided by the present application can simply and efficiently treat the saflufenacil-containing reaction solution, with a product yield of over 90% and a content of about 98%.

The present invention relates to a combination or a composition comprising saflufenacil and epyrifenacil as well as to a method for weed control, which method comprises applying an effective amount of said herbicidal combination or composition to a non-crop area or to the cultivation area of a crop, where weeds grow or may grow. The invention also relates the use of the combination or of the composition comprising saflufenacil and epyrifenacil for weed control in a non-crop area or in the cultivation area of a crop.

The invention provides an insecticidal composition containing an active component A and an active component B. The active component A is trifluorobenzene pyrimidine, the active component B is a compound shown as a formula I (formula I), the mass ratio of the active component A to the active component B is (1-20): (1-20), the insecticidal composition further comprises an auxiliary agent, the active component accounts for 1%-50% of the weight of the insecticidal composition, and the auxiliary agent accounts for 1%-50% of the weight of the insecticidal composition. The insecticidal composition is used for preventing and treating agricultural pests, has an obvious synergistic effect, and can reduce the dosage and delay the occurrence of pest resistance to drugs.

The present disclosure relates to a herbicidal combination comprising a carbamate herbicide and at least one additional protoporphyrinogen oxidase (PPO) inhibitor herbicide. In particular, the disclosure relates to combinations of the carbamate asulam with at least one PPO inhibitor selected from carfentrazone, saflufenacil, tiafenacil, fomesafen, flumioxazin or epyrifenacil.

The present invention relates to a novel nitration process of 2-chloro-4-fluorobenzoic acid or alkyl 2-chloro-4-fluorobenzoate, using oleum and nitric acid, to obtain 2-chloro-4-fluoro-5-nitrobenzoic acid or alkyl 2-chloro-4-fluoro-5-nitrobenzoates; purifying the crude reaction product; and recovering 2-chloro-4-fluoro-5-nitrobenzoic acid or alkyl 2-chloro-4-fluoro-5-nitrobenzoates in an essentially pure form, which can be used in the synthesis of the herbicide saflufenacil.

The invention discloses a pesticide composition containing guadipyr and triflumezopyrim, and belongs to the technical field of pesticides. According to the pesticide composition provided by the invention, the effective components are formed by binary compounding of guadipyr and triflumezopyrim. According to the pesticide composition disclosed by the invention, the two effective components, namely the guadipyr and the triflumezopyrim, are compounded according to a specific ratio, and a relatively good synergistic interaction effect is shown on rice planthoppers.

The application discloses a process for the preparation of saflufenacil comprising reacting 2-chloro-5-(2,6- dioxo-4-(trifluoromethyl)-3,6-dihydropyrimidin-l(2H)-yl)-4-fluoro-N-(N-isopropyl-N- methylsulfamoyl)benzamide with a methylating agent in the presence of a phase transfer catalyst to obtain a final reaction mixture comprising saflufenacil and the phase transfer catalyst, characterized in that the phase transfer catalyst is removed or partially removed before separating or purifying saflufenacil.

The invention relates to a synergistic herbicidal composition comprising Saflufenacil or salts thereof in a range of 0.1% w / w to 75% w / w; Propaquizafop or salts thereof in a range of 0.1% w / w to 80% w / w and at least one agrochemically acceptable excipient, wherein the composition comprises particles in the size range of 0.1 micron to 50 microns. The composition further optionally includes glyphosate or salts thereof in a range of 0.1% w / w to 55% w / w. The invention further relates to a process of preparing the herbicidal composition and to a method of controlling unwanted plants or weeds, crop protection or improving plant health or yield by treating a plant, crop, plant propagation material, locus or parts thereof, a seed, seedling or surrounding soil with the herbicidal composition.

The invention discloses a rice seed treating agent containing an immune resistance inducer and trifluoro-benzene pyrimidine and application of the rice seed treating agent. The rice seed treating agent comprises effective components including the immune resistance inducer and the trifluoro-benzene pyrimidine. The invention also discloses an application of the rice seed treating agent in prevention and treatment of rice planthoppers. The rice seed treating agent can effectively improve the control effect of rice on rice planthoppers and increase the rice yield, and meanwhile the drug resistance risk of triflumezopyrim is relieved. The rice seed treating agent disclosed by the invention has a remarkable effect in the aspect of controlling the population quantity of rice planthoppers, can reduce the use amount of pesticides, and is environment-friendly and safe.

The application discloses a pesticide composition containing annonaceous acetogenins and triflumuron and application thereof, and belongs to the technical field of pesticides. Effective components of the composition are the mass ratio of 1:10 to 20:1 of the annonaceous acetogenins and the triflumuron, wherein the annonaceous acetogenins are ortho-bis-tetrahydrofuran lactones extracted from seeds of Annona squamosa, and the purity is greater than or equal to 90%. The total mass percentage content of the effective components in the composition is 10% to 30%, and the rest is a pesticide adjuvant. The composition can be prepared into various dosage forms such as suspending agents, emulsifiable concentrates, suspending seed-coating agents, soluble granules or micro-capsule suspending-suspending agents. The two effective components with different action mechanisms are scientifically compounded, and the composition shows a significant synergistic effect on piercing-sucking mouthpart pests such as wheat aphids, corn aphids and brown planthoppers, and the highest co-toxicity coefficient (CTC) can reach 176.31. The composition can effectively reduce the field chemical pesticide dosage, delay the development of pest resistance and reduce pesticide residues, and has the characteristics of high efficiency, low residue and environmental friendliness.

The application discloses an insecticidal composition containing flubendiamide and triflumuron, wherein flubendiamide and triflumuron are used as active ingredients, and the mass ratio of flubendiamide to triflumuron is 1:50-50:1. The insecticidal composition can be used for controlling Lepidoptera, Homoptera, Hemiptera, Thysanoptera and Coleoptera pests, has obvious synergistic effect, reduces the amount and frequency of pesticide application, reduces the control cost, overcomes the defects of easy resistance caused by long-term single use, and prolongs the service life of the pesticide.

The present invention belongs to the field of pesticides, and specifically relates to a herbicidal composition and the use thereof. The composition comprises a herbicidally effective amount of an active ingredient A and an active ingredient B, wherein the active ingredient A is; and the active ingredient B is selected from one or more of the following compounds or acids / esters / salts thereof: diflufenican, picolinafen, fluridone, fenpyrazone, saflufenacil, flumioxazin, sulfentrazone or. The composition can effectively control problems of gramineous weeds, cyperaceous weeds, broadleaf weeds, etc., and exhibits characteristics of an expanded herbicidal spectrum, a reduced application dosage, the ability to produce a synergistic effect, effectiveness in controlling resistant weeds, etc.

An herbicidal composition, and a use thereof. The herbicidal composition comprises pyroxasulfone, thifensulfuron-methyl, and saflufenacil, the weight ratio of pyroxasulfone:thifensulfuron-methyl to saflufenacil being 10:1:0.5-2. The herbicide composition combines, for the first time, the high-activity herbicide pyroxasulfone with thifensulfuron-methyl and saflufenacil, which have a synergistic herbicidal effect, greatly reducing the amount of agricultural chemicals used, reducing the cost of chemicals, and reducing the adverse effects of agricultural chemicals on the environment.

The present invention relates to a soluble liquid (SL) composition comprising saflufenacil and an organic base. Optionally, the composition further comprises at least one agriculturally acceptable carrier and / or additives. The present invention further relates to a use of an amine salt of saflufenacil for preparing a soluble liquid composition.

The invention belongs to the technical field of pesticide disinfestation, and discloses a pesticide composition containing a mesoionic compound and application thereof.The pesticide composition comprises an active ingredient A and an active ingredient B. The active ingredient A is isoflualanam, the active ingredient B is the mesoionic compound, and the active ingredient A is isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam or isoflualanam. The active component B is a meso-ionic compound, the meso-ionic compound is any one of trifluorobenzene pyrimidine, dicloromezotiaz and fenmezoditiaz, and the mass ratio of the active component A to the active component B is (1: 40)-(40: 1). The pesticide composition disclosed by the invention has a remarkable synergistic effect on hemiptera pest rice planthopper, the control effect is greatly improved, and the production cost is reduced while the development of drug resistance of pests is slowed down.

The invention belongs to the technical field of pesticides, and particularly relates to a pesticide composition for preventing and treating rice brown planthopper, which is prepared by compounding thiodicyclaniliprole and triflumezopyrim according to the mass ratio of (1-30): (30-1), or compounding thiodicyclaniliprole and nitenpyram according to the mass ratio of (1-40): (40-1). When the thiodicyclaniliprole, the triflumezopyrim and the nitenpyram are compounded according to the mass ratio of (1-7): (15-1) and the mass ratio of (1-20): (8-1) respectively, the co-toxicity coefficient of the compounded composition on the rice brown planthopper is larger than 120, the compounded composition shows a synergistic effect, the control effect on the rice brown planthopper can be improved, the application dosage of the pesticide can be reduced, and the pesticide cost is reduced. The control cost and the drug resistance risk can be reduced, and a support can be provided for effectively controlling the brown planthopper of the rice and realizing high quality and high yield of the rice.

The invention discloses a saflufenacil compounded pyroxasulfone herbicide and a preparation method thereof, and belongs to the technical field of herbicides, the preparation method comprises the following steps: weighing raw materials, and adding sodium lignin sulfonate, amphiphilic chitosan and dibutyltin dilaurate into water to obtain a component A; mixing the active component, diisocyanate and an oily solvent to obtain a component B; the active components comprise pyroxasulfone and saflufenacil in a mass ratio of 1: (1-5); and adding the component B into the component A, adding aminated beta-cyclodextrin, mixing, homogenizing and emulsifying to obtain an emulsion, setting the temperature to be 30-70 DEG C, and stirring for 2-3 hours to obtain the saflufenacil compound sulfone herbicide. The problem that the physical stability and weeding effect of the herbicide are influenced by molecular structure difference after saflufenacil and pyroxasulfone are compounded and embedded is solved synergistically, and the compatibility of effective components is enhanced.

The invention belongs to the technical field of pesticide disinfestation, and discloses a pesticide composition and application thereof.The active ingredients of the pesticide composition comprise an active ingredient A and an active ingredient B. The active ingredient A is a compound shown in the formula I. The structure of the compound shown in the formula I is shown in the specification, the ingredient B is selected from any one of trifluorobenzene pyrimidine, fenmezoditiz and dicloromezotiz, and the active ingredient B is selected from any one of trifluorobenzene pyrimidine, fenmezoditiz and dicloromezotiz. The mass ratio of the active component A to the active component B is (1: 60)-(50: 1). The pesticide composition disclosed by the invention has an excellent control effect on hemiptera and lepidoptera pests in agriculture, forestry or gardening production.

The invention provides a synthesis method of a saflufenacil intermediate V. The synthesis method comprises the following steps: in the presence of a chlorination reagent and a catalyst, synthesizing a compound V from a compound IV; belongs to the field of pesticide synthesis. According to the method, the adopted initial raw materials are relatively cheap, easy to obtain and low in cost; the reaction steps are simple to operate, the conditions are mild, the reaction can be continuously carried out in the same reaction kettle, and the problems of harsh reaction conditions and high cost in some synthesis processes are solved.

The application belongs to the technical field of pesticide insecticide, and discloses a pesticide composition containing mesoionic compounds and application thereof. The pesticide composition comprises active ingredient A and active ingredient B. The active ingredient A is isoflualanam, the active ingredient B is a mesoionic compound, the mesoionic compound is any one of triflumin, dicloromezotiaz and fenmezoditiaz, and the mass ratio of the active ingredient A to the active ingredient B is 1:40-40:1. The pesticide composition has a significant synergistic effect on the hemipteran pest rice planthopper, greatly improves the control effect, slows down the development of pest resistance and reduces the production cost.

The invention relates to the technical field of pesticide herbicides, in particular to a double-component weeding composition containing saflufenacil and a preparation method of the double-component weeding composition, and preparation raw materials comprise sulfentrazone and saflufenacil; the mass ratio of the sulfentrazone to the saflufenacil is (1 to 100): 1. According to the invention, the saflufenacil is prepared into the microcapsule suspending agent, the sulfentrazone is prepared into the suspending agent, and then the suspending agent is compounded with the antifreeze agent and the thickening agent to obtain the microcapsule suspension-suspending agent type weeding composition, so that the phenomena of creaming and non-flowing caused by the failure of a dispersing agent due to the influence of a solvent on the sulfentrazone active compound are reduced; the hydrolysis risk caused by long-term storage of the saflufenacil can also be reduced.