51 results about "Trinexapac-ethyl" patented technology

Described are plant growth regulation compositions and methods utilizing combinations of Class A and Class B gibberellin biosynthesis inhibitors. Preferred methods and compositions involve the combination of trinexapac-ethyl with either or both of flurprimidol and paclobutrazol, in particular to provide a synergistic effect in the regulation of the growth of turfgrass.

This invention discloses anti inverse ester preparation method. 2-acetonyl-1, 4 diethyl succiante is high pressure condensed by diethyl maleate and acetone under organic amine condition. Then it cycles to get 3, 5-dioxygen hexahydrobenzoic acid ethyl esterunder sodium alcoholate condition, finally anti inverse ester is got by reacting with ring third formic anhydride under alkali condition. The operation is simple, reaction is wild, material is easy to get, yield is high, product purity is high, and generating cost is reduced, so it is propitious to industrial manufacure.

The invention provides a synthetic method of plant growth regulator trinexapac-ethyl intermediate 3-carbethoxy-5-oxo-cyclohexane-1-enol cyclopropanecarboxylate. The synthetic method comprises the following steps: (1) carrying out annulation reaction on 2-acetonyl-1,4-diethyl succinate and organic alkaline at the temperature of 20-120 DEG C for 0.5-5 hours in a non-polarity organic solvent to obtain 3,5-cyclohexanedione-1-ethyl formate; and (2) adding organic amine and cyclopropanecarboxylic acid chloride, and carrying out acylation reaction at the temperature of minus 5-50 DEG C, so as to obtain 3-ethoxycarbonyl-5-oxo-cyclohexane-1-enol cyclopropanecarboxylate in the presence of micromolecular alcohol, ether, ketone and nitrile the carbon atoms of which are below C8 and are used as additives. According to the method, special additives are added before acylation so that cyclopropanecarboxylic acid chloride can directly react with intermediate-state 3-ethoxycarbonyl-5-oxo-cyclohexane-1-enol sodium salt to obtain the trinexapac-ethyl precursor 3-ethoxycarbonyl-5-oxo-cyclohexane-1-enol cyclopropanecarboxylate, thereby shortening reaction time, simplifying synthesis process and improving yield; and the product is directly rearranged without purification so as to obtain the final product trinexapac-ethyl.

The invention discloses a method for preparing trinexapac-ethyl, which comprises the following steps of: performing high pressure condensation on diethyl maleate and acetone serving as raw materials in the presence of diethylamine to obtain 2-acetone-1,4-succinic acid diethyl ester; forming a ring in the presence of sodium hydride to obtain 3-ethoxycarbonyl-5-oxocyclohexyl-1-ene-1-sodium alkoxide; reacting with cyclopropanecarboxylic acid chloride to obtain 3-ethoxycarbonyl-5-oxocyclohexyl-1-ene-1-cyclopropanecarboxylic acid ester alkoxide; and rearranging in the presence of cyanide and triethylamine to obtain the trinexapac-ethyl. The method has the advantages of high yield, mild reaction and high product purity, and is suitable for small-scale laboratorial preparation and industrial production.

The invention relates to a foliage fertilizer containing amino oligosaccharins, which is composed of the following raw materials in percentage by weight: 0.5-1.0% of trinexapac-ethyl, 0.5-0.8% of amino oligosaccharins, 0.3-0.5% of manganese fertilizer, 0.3-0.8% of boric fertilizer, 0.3-0.5% of zinc fertilizer, 0.5-1.0% of iron fertilizer and the balance of water, totaling 100%. The test proves that the foliage fertilizer has obvious synergic effect, can lower the cost, and implements profit maximization.

The invention relates to the control of fireblight (Erwinia amylovora) in plants by application of acylcyclohexadiones to plants susceptible to fireblight to reduce or prevent the infestation and disease caused by Erwinia amylovora. Specific compounds suitable for use in practicing the invention include prohexadione calcium and trinexapac ethyl. Included in the invention are compounds from the formula: and compounds of the formula and the metal or ammonium salts thereof.

The invention relates to a growth regulator for landscape plant. The growth regulator is prepared from the following raw materials in parts by weight: 3-9 parts of potassium chloride, 2-6 parts of dipotassium phosphate, 4-12 parts of urea, 2-3 parts of methyl jasmonate, 1-2 parts of mixed humic acid, 1-2 parts of calcium superphosphate, 3-6 parts of lime, 3-6 parts of dicyandiamide, 0.3-0.5 part of ammonium sulfate, 0.3-0.5 part of potassium nitrate, 0.1-0.3 part of indoleacetic acid, 0.01-1 part of cytokinin, 10-20 parts of sodium nitrophenolate, 2-3 parts of biochemical sodium fulvate, 5-10parts of polyaspartic acid, 2-4 parts of sodium fulvate, 5-7 parts of rooting powder, 1-3 parts of gibberellin, 0.5-1 part of sophocarpidine, 3-6 parts of eugenol, 10-12 parts of starch, 0.02-0.06 part of abscisic acid, 2-3 parts of mefluidide, 3-5 parts of trinexapac-ethyl, 3-5 parts of diethylaminoethyl hexanoate, 3-5 parts of brassinolide, 0.1-0.3 part of forchlorfenuron, 0.5-0.7 part of traceelements, 20-30 parts of propylene glycol and 50-70 parts of water. The growth regulator for landscape plant is capable of increasing the chlorophyllous content of the landscape plant, is capable of promoting the plant growth, is capable of resisting against lodging and has an excellent effect for preventing pest and disease damage.

The invention discloses a preparation method of trinexapac-ethyl and an intermediate thereof. The method comprises the following steps: under the action of an alkali, reacting acetoacetic ester (I) with diethyl maleate to obtain an intermediate (II), continuing reaction under the action of an acid to obtain diethyl 2-acetonyl-1,4-succinate; cyclizing the diethyl 2-acetonyl-1,4-succinate in the presence of an alkali, and acidifying to obtain ethyl 3,5-cyclohexyldione-formate; esterifying the ethyl 3,5-cyclohexyldione-formate and cyclopropyl formyl chloride in the presence of an acid-binding agent to obtain ethyl 4-cyclopropylformacyl-3,5-dione cyclohexane-carboxylate; and carrying out reaction on the end product under the actions of an organic alkali and a catalyst to obtain the trinexapac-ethyl. The technique has the advantages of favorable reaction selectivity, high yield and fewer byproducts, and is beneficial to obtaining the high-quality trinexapac-ethyl product. The method does not have high requirements for equipment, and avoids high-temperature high-pressure reaction. The method has the advantages of simple technique and mild reaction conditions, and is suitable for industrialization.

The invention belongs to a plant chlormequat drought resistance agent which is prepared by the following ingredients in parts by weight: 12-17 parts of trinexapac ethyl, 8-12 parts of chlormequat chloride, 12-17 parts of paclobutrazol, 23-27 parts of uniconazole and 28-32 parts of morphactin. The plant chlormequat drought resistance agent has a dwarfing effect to lawn plant; with the plant chlormequat drought resistance agent, the needed flat trimming is little, water for irrigation is little, the leaves are straight and upright, the root system develops well, and the resistance to frost and drought, saline alkali, diseases and insects is good; and the plant chlormequat drought resistance agent has the advantages of low toxicity, high efficiency, environment-friendly performance and low consumption.

The invention discloses a preparation method of trinexapac-ethyl, which comprises adding ethyl 3,5-dioxcyclohexyl carboxylate, cyclopropanecarboxylic acid, solvent and organic amine into a reactor, and adding phosphorus trichloride dropwise, and in the presence of a catalyst, The reaction was carried out under certain conditions. After the reaction was completed, the solvent was washed with water, and the trinexapac-ethyl was obtained by distillation under reduced pressure. The invention has simple process, high yield and low cost.

The invention relates to a pesticide composition containing antibacterial peptide. The pesticide composition comprises the active components of an active component A and an active component B, The active component A is antibacterial peptide, and the active component B is selected from any following compound: trinexapac-ethyl, mepiquat chloride, ethephon, paclobutrazol, brassinolide, diethyl aminoethyl hexanoate, gibberellic acid, heteroauxin, amino-oligosaccharin, bacillus subtilis, paclobutrazol, uniconazole, tetramethyl glutaric aciduria, triacontanol, compound sodium nitrophenolate, compound potassium nitrophenolate, S-ABA, choline chloride, chlormequat, forchlorfenuron, naphthylacetic acid, and benayl aminopurine, which have sterilization effect on crops, so that the pesticide composition enlarges bactericidal spectrum, enhances enzyme activity, promotes seed germination, enhances photosynthetic intensity, increases chlorophyll content, keeps green and antioxidant, promotes root system development, and improves absorption of a plant to water and the fertilizer, so that the drought resistance and the cold resistance of the plant are improved; and the pesticide composition has the functions of increasing immunity, enhancing disease and insect resistance, improving crop quality, and increasing yield and income.

The invention discloses a high-effective pesticide composition containing a polygonum cuspidatum extract. The composition includes an active component A and an active component B as effective active components, wherein the active component A is the polygonum cuspidatum extract, and the active component B is one selected from the following components: ethrel, paclobutrazol, uniconazole, naphthylacetic acid, dimethyl glutaric acid, trinexapac-ethyl or mepiquat chloride. The weight ratio of the active component A to the active component B is 1:300-500:1. The composition is high in activity in prevention and treatment of bacterial and fungal diseases of various crops, and also has the effects of stimulating root growth of crops, promoting growth of crops, increasing yield and improving crop quality.

The invention relates to the field of plant fertilizer preparation, in particular to slow-release long-acting fertilizer for turfgrass, and a preparation method and application thereof. The slow-release long-acting fertilizer is prepared from the following raw material components: livestock manure, straw, seaweed powder, oil tea cake residues, soybean meal, chlormequat, trinexapac-ethyl, maleic hydrazide, bone powder, ferrous gluconate, zinc sulfate, magnesium sulfate, manganese sulfate, yeast selenium, fermented bacteria powder, sodium alkylbenzene sulfonate, slaked lime, potassium humate andhydroxymethyl cellulose. The slow-release long-acting fertilizer has the advantages that the fertilizer has comprehensive nutrition and long fertilizer effect and is easily absorbed by the turfgrass;growth and metabolism of the turfgrass are promoted, the turfgrass's resistance to disease, drought and coldness can be improved, the aging process of blades can be delayed, and greening of the turfgrass in the spring can be accelerated, so that the green period of the turfgrass is prolonged, and the ornamental value of the turfgrass is increased.

The invention discloses a compound growth regulator and a preparation method and application thereof. The compound growth regulator is prepared from the following components in parts by weight: 5-80 parts of trinexapac-ethyl, 4-60 parts of acetylthioproline and 0.001-1 part of brassinolide. According to the compound growth regulator, the coordinated improvement of pod number, grain number and grain weight can be promoted, and numbers of shrunken pods and shrunken grains are significantly reduced; the lodging rate of soybeans is reduced, the yield of the soybeans is increased, and the cost is lowered; the comprehensive quality of soybean seeds and straws is improved, and the content of protein, amino acids (especially methionine, lysine and other essential amino acids) is improved; the drugdamage effect on the soybeans does not exist, and good safety is brought; and the content of pesticide residues in soil can be reduced, and the compound growth regulator is safe to environments.

The invention discloses a purity determination method of a trinexapac ethyl standard substance; the method adopts octadecyl silane to bond silica gel chromatographic column, and uses high performance liquid chromatograph with an ultraviolet detector to measure the peak areas, and finally the purity is calculated according to normalization; wherein, the mobile phase, phase A, is formic acid: water =0.05: 100-0.2: 100, phase B is acetonitrile or methanol, and the proportion between phase A and phase B is 80: 20-20: 80. The absorption value of the solution of trinexapac ethyl standard substance at the ultraviolet detector is 1000-3000mAU, while the wavelength of the ultraviolet detector is 275nm. The purity determination method of trinexapac ethyl standard substance provided by the invention is characterized by good peak presentation, high resolution, good repeatability and convenient operation, and can accurately, stably and rapidly determine the purity of trinexapac ethyl standard substance, which supplies effective guarantee for the control of residual of trinexapac ethyl in farm products.

The invention relates to a plant growth regulation composition. The plant growth regulation composition comprises a first active component and a second active component, wherein the first active component is chlorin iron, and the second active component is selected from trinexapac-ethyl or diethylaminoethyl hexanoate, in the composition, the content ratio of the chlorin iron to the trinexapac-ethyl is (1:20) to (10:1), and the content ratio of the chlorin iron to the diethylaminoethyl hexanoate is (1:20) to (10:1). A preparation dosage form of the composition is soluble powder, water dispersion granules, wettable powder, water aqua or soluble liquid. The invention further provides application of the composition as a plant growth regulator. The compound combination of the trinexapac-ethyl or the diethylaminoethyl hexanoate and the chlorin iron has a synergistic effect, so that the application of the chlorin iron in the plant growth regulator field can be enlarged.

The invention relates to a composition containing choline chloride. The composition is a plant growth regulating composition containing an active ingredient A and an active ingredient B; the active ingredient A is choline chloride; and the active ingredient B is one compound randomly selected from paclobutrazol and trinexapac-ethyl. The composition is mainly used for increasing plant chlorophyll content, keeping green and delaying aging, promoting development of root systems, promoting effective absorption of crops on fertilizers, helping crop disadvantaged parts to grow better, enhancing absorption of plants on water and fertilizer, adjusting water balance in plants, and improving plant drought resistance and cold resistance.

The invention belongs to the field of plant protection and relates to a composition containing trinexapac-ethyl and chitosan oligosaccharide or chitosan and application in the aspect of plant disease prevention. The weight ratio of the trinexapac-ethyl and the chitosan oligosaccharide or chitosan in the composition is 1:10-10:1. The composition is processed on a plant in at least one pesticide applying mode of spraying, seed dressing and root pouring. The composition with the concentration the same as or different from the that of the composition applied the first time is applied again for 0-3 times every other 10-20 d, the application dosage of the composition is 5-100 mg / L, and the composition can be used for preventing various plant diseases, especially the diseases of wheat and turfgrass.

The invention discloses a detection method for the trinexapac-ethyl residual quantity in a high performance liquid chromatography determination environmental sample. The detection method for the trinexapac-ethyl residual quantity in the high performance liquid chromatography determination environmental sample comprises the following steps: (1) a water sample is enriched by a hydrophile-lipophile balance (HLB) solid phase extraction column, eluted by carbinol, and concentrated with a constant volume and then fractionation detection is carried out on the water sample with a high performance liquid chromatography system; (2) a soil sample is wet with water, extracted in a vibrating mode by acetonitrile and layered through salting out, an organic phase is concentrated with a constant volume, and then fractionation detection is carried out on the soil sample with the high performance liquid chromatography system. Octadecyl silane is adopted as a filling agent by a chromatographic column, and a detector is a ultraviolet detector with a diode array. A mobile phase is a mixed solvent of carbinol and a 0.1% phosphoric acid aqueous solution, the ratio is that, by volume, the carbinol accounts for 50%-70%, and the 0.1% phosphoric acid aqueous solution accounts for 50%-30%. The detection wavelength is 280 nm, the temperature of the column is 25 DEG C to 40 DEG C, and the injected sample volume is 10-20 mu L. Through systematic comparative study, the detection method for the trinexapac-ethyl residual quantity in the high performance liquid chromatography determination environmental sample is created. The detection method for the trinexapac-ethyl residual quantity in the high performance liquid chromatography determination environmental sample has the technical advantages of being good in fractionation effect, accurate in determination, high in sensitivity, strong in specificity, convenient and quick to analyze and the like.

The invention discloses a composition for regulating plant growth and its preparation and application. The composition is composed of trinexapac-ethyl and chitooligosaccharide. A weight ratio of trinexapac-ethyl to chitooligosaccharide is 1: (0 .02-50). Through reducing the height of the crop base between sections 1 and 2, the composition or the preparation can effectively inhibit aboveground part vegetative growth, promote root growth, enhance the ability to absorb nutrients in the soil and improve a crop lodging-resistance capability and yield.

The invention relates to a plant growth regulation composition containing tetramethyl glutaric aciduria. The plant growth regulation composition contains an active component A and an active component B. The active component A is tetramethyl glutaric aciduria, and the active component B is any one compound selected from diethyl aminoethyl hexanoate and trinexapac-ethyl. The plant growth regulation composition is mainly used for improving enzyme activity, promoting seed germination, increasing germination capacity, enhancing photosynthetic intensity, improving chlorophyll content, keeping green, preventing aging, promoting root development, promoting effective absorption of fertilizer, assisting good growth of inferior parts of crops, improving absorption of water and fertilizer by plants, adjusting balance of moisture in plants, and improving drought resistance and cold resistance of plants.

The invention discloses a method for synthesizing prohexadione calcium and trinexapac-ethyl. The method comprises the following steps: reacting diethyl maleate (alpha, beta unsaturated carboxylic acid) with sodium ethoxide to obtain high-purity intermediate compound as shown in a formula II, and preparing prohexadione calcium and trinexapac-ethyl from the compound as shown in the formula II. In the reacting steps for preparing the compound as shown in the formula II, sodium ethoxide serving as a reactant participates in the reaction rather than a strong basic catalyst; a 1,3-cyclohexanedione compound is prepared from the intermediate compound as shown in the formula II and acetone under a reflux condition, and the total yield for the reaction of two steps can be 87 percent. The method has the advantages of low energy consumption, short reaction time, easy operation and the like by using the 1,3-cyclohexanedione compound as the intermediate, and can be used for preparing prohexadione calcium and trinexapac-ethyl with high yield.

The invention relates to a plant growth regulating composition containing (+)-abSciSic acid. The plant growth regulating composition comprises an active ingredient A and an active ingredient B; the active ingredient A is (+)-abSciSic acid, and the active ingredient B is a compound randomly selected from mepiquat chloride and trinexapac-ethyl. The plant growth regulating composition is mainly used for increasing enzyme activity, promoting seed germination, increasing germination rate, increasing photosynthetic intensity, increasing chlorophyll content, keeping green and delaying aging, promoting development of root systems, promoting effective absorption of crops on fertilizers, helping crop disadvantaged parts to grow better, enhancing absorption of plants on water and fertilizer, adjusting water balance in plants, and improving plant drought resistance, cold resistance, and lodging resistance.

The invention relates to a DCPTA-containing composition. The pesticidal composition contains effective active ingredients, i.e., an active ingredient A and an active ingredient B, wherein the active ingredient A is DCPTA, and the active ingredient B is any compound selected from the following compounds: 6-benzylamino-purine, Trinexapac-ethyl and Mepigtlat-chloride. The composition disclosed by the invention can be used for promoting the real fertilizer absorption of crops, assisting the good growth of inferior parts of the crops and regulating the body water balance of the crops, so that the composition has the characteristics of activating the metabolic system of the crops, promoting the cellular growth of the crops and strengthening root activity.

The invention provides microemulsion containing trinexapac-ethyl and paclobutrazol. The microemulsion is prepared from components in percentage by weight as follows: 1%-40% of trinexapac-ethyl, 1%-10% of paclobutrazol, 1%-20% of a solvent, 1%-15% of a cosolvent, 10%-50% of an emulsifier, 1%-10% of an antifreezing agent and the balance of water. The microemulsion containing trinexapac-ethyl and paclobutrazol has excellent lodging-resistant and lawn-dwarfing effects as well as low use cost, little environmental pollution and good environmental protection effect.

The invention relates to a stem-strengthening foliage fertilizer comprising the following raw materials in percentage by mass: 0.6%-1.2% of trinexapac-ethyl, 1%-3% of dinotefuran, 0.3%-0.8% of a manganese fertilizer, 0.2%-0.5% of a boron fertilizer, 0.2%-0.5% of a zinc fertilizer, 0.5%-1.5% of an iron fertilizer and water supplemented to 100%. The stem-strengthening foliage fertilizer is respectively sprayed in the sugarcane ridging period at the end of March for the first time, and sprayed in the middle of July for the second time. An experiment result shows that the stem-strengthening foliage fertilizer is obvious in stem-strengthening effect, and the production of the sugarcane can be significantly increased.