39 results about "Tetronic acid" patented technology

The invention belongs to the pesticide technology field, and relates to a synergy composition for matrine and tetronic acid pesticides. The mass ratio of matrine to tetronic acid is 50:1-1:50. The matrine in the composition comprises matrine, oxymatrine and a mixture of matrine and oxymatrine, or a series alkaloid extract and its preparation obtained from plants such as radix sophorae flavescentis, Sophora alopecuroides and Subprostrate Sophora Root. The tetronic acid pesticide can be one of spirotetramat, spirodiclofen and spirotetramat or its combination. The composition of the invention is capable of generating cooperation and synergy effects, overcoming harmful biological drug resistance, prolonging the service life of the pesticide, and enlarging the prevention and cure scope, can be used for preventing and treating a plurality of insect diseases on agriculture and gardening crops, especially suitable for insects possessing drug resistance on single pesticide, such as aphid, scale insect, leaf mites, leafhopper, planthopper or whitefly and thrips.

The invention belongs to the field of pesticides, and discloses an insecticidal acaricidal composition containing an active component A and an active component B, wherein the active component A is selected from the following compounds disclosed in the specification; the active component B is selected from tetronic acid (tetronic acid / tetramic acid derivative) insecticides and acaricides; the tetronic acid insecticides and acaricides comprise spirodiclofen, spiromesifen, spirotetramat or the like; and the weight ratio of the active component A to the active component B is 1:99-99:1. The composition has obvious synergistic action, widens the insecticidal spectrum, and reduces the pesticide consumption; and the pests can not easily generate drug resistance, and thus, the composition can be used for preventing and treating multiple pests and acarids on multiple crops.

The invention relates to novel compounds of the formula (I)in whichW, X, Y, Z, A, B, D, Q1, Q2 and G are as defined above, to a plurality of processes for their preparation and to their use as pesticides and / or herbicides and / or fungicides and also to selective herbicidal compositions comprising, firstly, the 3′-alkoxyspirocyclopentyl-substituted tetramic and tetronic acids of the formula (I) and, secondly, at least one crop plant compatibility-improving compound, and also to boosting the activity of crop protection compositions comprising active compounds from the class of the 3′-alkoxyspirocyclopentyl-substituted tetramic and tetronic acids of the formula (I) by adding ammonium salts and / or phosphonium salts or by adding ammonium salts and / or phosphonium salts and penetrants, to the corresponding compositions, to processes for their preparation and to their use in crop protection.

The invention discloses an insecticide composition with insecticides of pyriminostrobin and tetronic acid. The insecticide composition comprises the following effective active ingredients: a first active ingredient, namely, pyriminostrobin, and a second active ingredient, namely, spirodiclofen, spiromesifen or spirotetramat which is selected from tetronic acid insecticides, wherein the weight ratio of the first active ingredient to the second active ingredient is (1:10)-(10:1). The composition can be prepared into agriculturally allowable suspending agents, wettable powder, water dispersible granules or dispersible oil suspending agents. The insecticide composition is reasonable in ingredient and good in insecticide effect; the activity and the insecticide effect are not just combination of the activities of the ingredients; compared with the conventional single preparation, in addition to the remarkable insecticide effect, the insecticide composition has the remarkable multiplying effect, and is good in crop security. The insecticide composition has remarkable prevention and treatment effects on citrus red mites and cotton red mites.

Oxime ether derivatives of spirocyclic tetronic acid, the preparation thereof, and insecticidal, acaricidal, bactericidal and herbicidal usages thereof. The present invention discloses spiro tetronic acid oxime ether derivatives with the following structure. The oxime ether derivatives of spirocyclic tetronic acid can be prepared by the following process of using 1-amino-or 2-amino cyclohydrocarbyl methyl formate as a raw material, and the oxime ether derivatives of spirocyclic tetronic acid are obtained after a Dieckmann cyclization reaction. These compounds are proved through biological activity test to have insecticidal, acaricidal, bactericidal and herbicidal activity, so can be used in pesticides as lead compounds.

The invention relates to a pest-killing and mite-killing composition containing tetronic acid and organophosphorus, wherein active ingredients of the pest-killing and mite-killing composition are spirodiclofen and any of organophosphorus pesticides such as profenofos, chlorpyrifos and methidathion, the mass portion ratio of the spirodiclofen to the organophosphorus pesticide is between 5 to 1 and 1 to 50, and the preferable ratio is between 2 to 1 and 1 to 19. The mixing of the spirodiclofen and the profenofos or the chlorpyrifos or the methidathion has apparent synergistic effect on pest mites, has good quick action and long lasting period, has control function on pests at the same time, is helpful to delay the drug resistance of the pest mites, and is mainly used for mite pest control of crops such as fruit trees, cotton, vegetables and so on.

A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land is provided. The slow release fertilizer comprises following components by mass: 33-41 parts of maleic anhydride, 11-15 parts of tetronic acid, 28-32 parts of urea, 12-15 parts of biochemical fulvic acid, 6-9 parts of humic acid, 1-3 parts of chelated zinc, 1-3 parts of chelated copper, 14-18 parts of ammonium sulfate and 1.4-1.8 parts of a capsule wall material. Applications of the slow release fertilizer in plantation of salix alba are also provided. The beneficial effects of the slow release fertilizer and the applications are that the fertilizer efficiency of the slow release fertilizer is prolonged by 35-40 days, the pH of the soil is reduced to 7.7-7.9, the degree of alkalization of soil is reduced to 11.8-12.4%, the soil bulk density is reduced to 0.91-0.97 g / cm<3>, the slow release fertilizer is used for plantation of the salix alba in the saline-alkali land, the survival rate of transplanting of the salix alba is 95.5-97.3%, fruit quality is improved and medicinal value is improved.

The invention belongs to the field of biochemistry, and mainly relates to a method for preparing tetronic acid by cyclisation and enolization of propargyl alcohol and carbon dioxide. The invention provides the method for preparing tetronic acid by cyclisation and enolization of propargyl alcohol and carbon dioxide. According to the invention, alkali, a solvent, and normal pressure are simply usedfor a reaction of propargyl alcohol and carbon dioxide, and tetronic acid is obtained. The method can greatly increase the yield, realizes gram-level scale, and has possibility for realizing industrialization. The provided new method system and a new strategy have development prospect, and propargyl alcohol and carbon dioxide firstly realize synthesis of tetronic acid.

The invention discloses a tetronic acid derivative with the general formula of stru-1 or stru-2. The general formula and substituent group definitions are shown in the specification. The invention further provides a preparation method of the tetronic acid derivative and farm-oriented insecticide and acaricide containing the tetronic acid derivative. The tetronic acid derivative is suitable for preventing and controlling pests.

The invention discloses a synthetic method of a spirocyclic tetronic acid compound key intermediate. The method comprises the following steps of: mixing a substituted phenylacetic acid compound (I) with a compound (II); heating the mixture to 50-150 DEG C; adding a carboxylic acid activation reagent; preserving heat at the temperature 50-150 DEG C and reacting fully; and performing post-treatmentto obtain a spirocyclic tetronic acid compound key intermediate compound (III). The invention has the advantages that: (1) an acylation reaction is completed at one step in the preparation method, the reaction time is short, the raw material utilization ratio is high, and the energy consumption and the environmental pressure are lowered; (2) in the preparation method, the costs of raw materials are low, and an acid-binding agent or a catalyst is not invested additionally; and (3) the preparation method has a simple process, a small quantity of side reactions and high yield, and is suitable for large-scale industrial production.

Tetronic acid of following Formula (2): is industrially efficiently prepared through a reaction of 4-hydroxy- or 4-alkoxy-acetoacetic acid or an ester thereof of following Formula (1): wherein R<1> and R<2> each independently represent a hydrogen atom or an alkyl group, by carrying out the reaction in the presence of an organic solvent and an acid but substantially in the absence of water. Producttetronic acid is useful as an intermediate for fine chemicals such as pharmaceuticals, agricultural chemicals, and semiconductor resist polymers.

The invention belongs to the technical field of pesticides, and relates to a pesticide composition containing a diphenyl sulfide compound and application of the pesticide composition. The pesticide composition containing the diphenyl sulfide compound comprises an active component A and an active component B, the active component A is a diphenyl sulfide compound, and the active component B is any one or more insecticidal and acaricidal agents: B1 heterocycles, B2 tetronic acids, B3 benzoylacetonitrile, B4 oxazoles, B5 pyrazole amides and the like. The pesticide composition can effectively prevent and control multiple phytophagous pest mites, has a synergistic effect in a certain proportion range, and can enlarge the mite killing spectrum, reduce the use cost, reduce the dosage, prolong the lasting period and delay the development of drug resistance.

The invention relates to an acaricide composition and application thereof. The active ingredients in the composition are spirodiclofen and fenbutatin oxide, and the mass portion ratio of the active ingredients is between 5 to 1 and 1 to 50; and the active ingredients are processed into any of dosage forms in pesticide application, and, the preferable dosage forms are wettable powder, water emulsion, emulsifiable solution, micro-emulsion, a water dispersible granule or tablet, and a suspending agent. The acaricide composition has significant synergism on pest mites for controlling the pest mites on plants, and is helpful to reduce the pesticide dosage, reduce the cost, and delay the drug resistance of the pest mites.

The invention belongs to the technical field of complex compositions of insecticides, particularly relates to a complex composition containing biogas slurry and acaricide and application thereof. Thecomplex composition comprises active ingredients of an ingredient I and an ingredient II, wherein the ingredient I is the biogas slurry; the ingredient II is selected from one of heterocycle acaricides, tetronic acid acaricides, novel benzoylacetonitrile acaricides, novel acrylonitrile acaricides, novel oxazole touch killing type acaricides, pyrazole amide acaricides, bifenazate acaricides, antibiotic acaricides, organic tin acaricides, tetrazine acaricides, thiazolidone acaricides, sulfite acaricides, novel thiourea acaricides and pyrethroid acaricides. The complex composition has the advantages that the environment compatibility is realized; the performance of high efficiency and low toxicity are realized; the prevention and control effects on mite pests are obvious.

A high-nitrogen high-sulfur slow release fertilizer for saline-alkali land is provided. The slow release fertilizer comprises following components by mass: 30-35 parts of maleic anhydride, 11-14 parts of tetronic acid, 30-35 parts of urea, 13-15 parts of biochemical fulvic acid, 7-10 parts of humic acid, 1-2 parts of chelated zinc, 2-3 parts of chelated copper, 15-17 parts of ammonium sulfate and 1.2-1.5 parts of a capsule wall material. Applications of the slow release fertilizer in plantation of pyrus betulifolia are also provided. The beneficial effects of the slow release fertilizer and the applications are that the fertilizer efficiency of the slow release fertilizer is prolonged by 35-40 days, the pH of the soil is reduced to 7.8-8.0, the degree of alkalization of the soil is reduced to 12.1-12.8%, permeable porosity of the soil is increased to 13-17%, the soil bulk density is reduced to 0.90-0.96 g / cm<3>, the slow release fertilizer is used for plantation of the pyrus betulifolia, the survival rate of transplanting of the pyrus betulifolia is 94.5-97.6%, and medicinal value is improved.

The invention provides a water dispersible granule type pesticide comprising abamectin serving as an active ingredient, wherein the mass percentage of the abamectin is 15%. The water dispersible granule type pesticide has a synergistic effect and is low in use cost, good in preventing effect, wide in mite killing spectrum, strong in adaptability, capable of killing eggs and larvae, long in lasting period, low in toxicity, low in residue, good in safety, strong in compatibility, particularly excellent in egg killing effect and favorable in contact action on young nymphs. The fast-acting property of the water dispersible granule type pesticide is remarkably stronger than that of a tetronic acid miticide, and the lasting period of the water dispersible granule type pesticide is slightly longer than that of the tetronic acid miticide, so that the water dispersible granule type pesticide is a good miticide for oranges and tangerines.

The invention belongs to the field of pesticides, and discloses an insecticidal acaricidal composition containing an active component A and an active component B, wherein the active component A is selected from the following compounds disclosed in the specification; the active component B is selected from tetronic acid (tetronic acid / tetramic acid derivative) insecticides and acaricides; the tetronic acid insecticides and acaricides comprise spirodiclofen, spiromesifen, spirotetramat or the like; and the weight ratio of the active component A to the active component B is 1:99-99:1. The composition has obvious synergistic action, widens the insecticidal spectrum, and reduces the pesticide consumption; and the pests can not easily generate drug resistance, and thus, the composition can be used for preventing and treating multiple pests and acarids on multiple crops.

The present invention belongs to the technical field of pesticides for killing insects and mites, and discloses an insecticidal and acaricidal composition containing a tetronic acid compound and its use. The insecticidal and acaricidal composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is a compound represented by Formula I; the active ingredient B is any one of Spidoxamat, Spiropidion, Spiromesifen, Spirodiclofen, Spirotetramat, and Spirobudiclofen, and the mass ratio of active ingredient A to active ingredient B is 1:46 to 46:1. The insecticidal and acaricidal composition of the present invention has a significant synergistic effect on target pests and mites and can be used for the integrated control of agricultural pests and mites.

The present invention relates to a new acaricidal pesticide composition having excellent control activity against agricultural and horticultural pests. The present invention also relates to a method for controlling agricultural and horticultural pests and use of the new pesticide composition. An acaricidal pesticide composition containing an active ingredient (A) of a compound of formula (I) and an active ingredient (B) of at least one tetronic acid insecticide selected from the group consisting of spirodiclofen, spiromesifen, spirotetramat, spirodiclofen, the weight ratio of the active ingredients (A) and (B) being 10:1-1:100. Use of the acaricidal pesticide composition for controlling leaf mites. Spraying the acaricidal pesticide composition onto crops parasitized by leaf mites to repel leaf mites.

The invention relates to compound composition containing potassium laurate and acaricide and an application of the compound composition. The compound composition is characterized in that effective components include a component I and a component II, the component I is potassium laurate, and the component II is one of a heterocyclic acaricide, a tetronic acid acaricide, a novel benzoylacetonitrileacaricide, a novel acrylonitrile acaricide, a novel oxazole contact acaricide, a pyrazole amide acaricide, a diphenyl hydrazine acaricide, an antibiotic acaricide, an organic tin acaricide, a tetrazine acaricide, a thiazolidone acaricide, a sulfite acaricide, a novel thiourea acaricide, a pyrethroid acaricide and a biogenic acaricide. According to the compound composition, the application quantityof chemical pesticides and botanical insecticides is reduced, pesticide application cost is reduced, and potential resistance risk of crop harmful acarids on potassium laurate and common acaricides is reduced; the compound composition is safe to the environment and can be widely applied to control for the crop harmful acarids.

The invention discloses a synthetic method of tetronic acid. The synthetic method comprises the following steps: firstly oxidizing low-price easily-available natural sodium D-isoascorbate as a raw material through hydrogen peroxide, and acidifying through hydrochloric acid to prepare a key synthetic intermediate, namely erythronolactone; secondly, reacting erythronolactone with sulfonyl chloride to generate crude tetronic acid; finally, simply re-crystallizing obtained crude tetronic acid to obtain pure tetronic acid. The synthetic method has the characteristics of few synthetic steps, simple and convenient process, low synthetic cost, convenience for large-scale industrialized production and the like; finally obtained pure tetronic acid is high in yield and purity, the yield can reach more than 87%, and the purity can reach more than 99%.

The invention belongs to the technical field of pesticide mite killing, and discloses a mite killing composition and application thereof, the mite killing composition comprises an active component A and an active component B, the active component A is a compound as shown in a formula I: # imgabs0; the active component B is selected from a group consisting of a B1 heterocyclic acaricide, a B2 tetronic acid acaricide, a B3 benzoylacetonitrile acaricide, a B4 acrylonitrile acaricide, a B5 oxazole acaricide, a B6 pyrazole amide acaricide, a B7 biphenylhydrazine acaricide, a B8 antibiotic acaricide, a B9 organic tin acaricide and a B10 tetrazine acaricide; b11 thiazolidinone acaricides, and the like. The acaricidal composition disclosed by the invention is obvious in synergism, has a relatively good prevention and treatment effect on common tetranychidae pest mites of crops, and can effectively control the harm of mite pests, reduce the use dosage of pesticides and reduce the agricultural production cost.

The invention provides an insecticidal composition containing a spirocyclic tetronic acid compound and transfluthrin.The insecticidal composition is characterized in that active ingredients in the insecticidal composition comprise the spirocyclic tetronic acid compound and transfluthrin, and the weight ratio of the spirocyclic tetronic acid compound to transfluthrin is 50:1 to 1:50.The two effective ingredients of the insecticidal composition are combined for use, an insecticidal spectrum is widened, a multi-pest treatment effect is achieved, generation of resistance of pests is delayed, an insecticidal effect is remarkable, and diseases and pests of crops can be effectively prevented and treated.In addition, compared with a spirocyclic tetronic acid compound single agent and a transfluthrin single agent, production and use cost is reduced, and pesticide use cost is reduced for farmers.

The invention provides an 11-(2, 4-dichlorophenyl) 12H-benzo[f]-furan [3, 4-b] chromene-10(11H)-ketone and a synthetic method thereof. The synthetic method comprises the steps of: uniformly mixing 2- naphthol, 2, 4- dichlorobenzaldehyde, tetronic acid and catalyst amount of p-toluenesulfonic acid, heating and stirring, controlling the temperature at 110-130 DEG C and reacting for 3-5 hours. According to the invention, chlorine atoms are added in the 11-(2, 4-dichlorophenyl) 12H-benzo[f]-furan [3, 4-b] chromene-10(11H)-ketone to ensure that the 11-(2, 4-dichlorophenyl) 12H-benzo[f]-furan [3, 4-b] chromene-10(11H)-ketone has stronger activity and is more beneficial to absorption. The synthetic method provided by the invention has the characteristics of green environmental protection, easiness in obtaining raw material, simpleness in operation and high yield.

The invention provides an insecticidal composition containing a spirocyclic tetronic acid compound and thiocyclam. The insecticidal composition is characterized in that the active components of the insecticidal composition are the spirocyclic tetronic acid compound and thiocyclam and a weight ratio of the spirocyclic tetronic acid compound to thiocyclam is 90: 1 to 1: 90. The insecticidal composition integrates the two active components, so an insecticidal spectrum is broadened, a plurality of insects can be treated at the same time, resistance of insects is alleviated, substantial insecticidal effect is obtained, and the insecticidal composition can prevent and treat diseases and insect pests attacking crops; moreover, compared with the individual spirocyclic tetronic acid compound or individual thiocyclam, the insecticidal composition is reduced in production and usage cost, so cost of peasants for pesticides is reduced.

The invention provides a novel synthesis technology of tetronic acid. According to the technology, cheap glycollic acid ester easy to obtain is adopted as an initial precursor and reacts with acetyl halides, a key intermediate 2-acetoxyl acetate is obtained, then, dickman condensation is perfomed on the alkaline condition, and the target product tetronic acid is obtained. The raw materials are easy to obtain, reaction conditions are mild, operation is easy and convenient, the synthesis cost is low, and large-scale industrial production is convenient. The final product tetronic acid is high in purity and yield, and the yield can reach 93% or above.

The invention relates to an acaricide composition containing tetronic acid active substances. The active ingredients of the acaricide composition are spirodiclofen (A) and liuyangmycin (B), the mass ratio of A to B is between 10 to 1 and 1 to 10; and according to the prior method, the original drug containing the active ingredients and auxiliary materials are processed together to be prepared into any dosage form suitable for agricultural application, wherein the better dosage forms comprise emulsifiable solution, suspending agents, water emulsion, water dispersible granules and the like, andthe total content of the active ingredients in the preparation is between 5 and 80 percent. The acaricide composition has obvious synergism on controlling pest mites on crops, has good quick effect and long duration, and is helpful to delay the drug resistance generation of the pest mites; and the acaricide composition is mainly used for controlling the pest mites on the crops such as fruit trees, cottons, and vegetables.

The invention provides a microemulsion type pesticide comprising abamectin serving as an active ingredient, wherein the mass percentage of the abamectin is 15%. The microemulsion type pesticide has a synergistic effect and is low in use cost, good in preventing effect, wide in mite killing spectrum, strong in adaptability, capable of killing eggs and larvae, long in lasting period, low in toxicity, low in residue, good in safety, strong in compatibility, particularly excellent in egg killing effect and favorable in contact action on young nymphs. The fast-acting property of the microemulsion type pesticide is remarkably stronger than that of a tetronic acid miticide, and the lasting period of the microemulsion type pesticide is slightly longer than that of the tetronic acid miticide, so that the microemulsion type pesticide is a good miticide for oranges and tangerines.

The invention discloses a composition containing pyraclostrobin and pyrethroid pesticide spirocyclic tetronic acid pesticide. The weight ratio of pyraclostrobin to spirocyclic tetronic acid pesticidein the composition is (1-50): (50-1). The invention also provides an acaricide containing the composition. The provided composition and acaricide are suitable for preventing and treating mites.

The invention provides an 11-(2, 4-dichlorophenyl) 12H-benzo[f]-furan [3, 4-b] chromene-10(11H)-ketone and a synthetic method thereof. The synthetic method comprises the steps of: uniformly mixing 2- naphthol, 2, 4- dichlorobenzaldehyde, tetronic acid and catalyst amount of p-toluenesulfonic acid, heating and stirring, controlling the temperature at 110-130 DEG C and reacting for 3-5 hours. According to the invention, chlorine atoms are added in the 11-(2, 4-dichlorophenyl) 12H-benzo[f]-furan [3, 4-b] chromene-10(11H)-ketone to ensure that the 11-(2, 4-dichlorophenyl) 12H-benzo[f]-furan [3, 4-b] chromene-10(11H)-ketone has stronger activity and is more beneficial to absorption. The synthetic method provided by the invention has the characteristics of green environmental protection, easiness in obtaining raw material, simpleness in operation and high yield.