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212 results about "Triketone" patented technology
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A triketone or trione is a molecule containing three ketone groups. Simple cyclic triketones include cyclopropanetrione, barbituric acid and the triazine cyanuric acid. Croconic acid also has hydroxy groups. In ninhydrin one of the ketone groups is normally hydrated.
1,3,5-triazinane-2,4,6-trione derivatives and uses thereof
The present invention provides novel 1,3,5-triazinane-2,4,6-trione derivatives, such as compounds of any one of Formulae (I) and (II), and salts thereof, and methods of preparing the compounds. Also provided are compositions including a compound of the invention and an agent (e.g., an siRNA, mRNA, or plasmid DNA). The present invention also provides methods and kits using the compositions for delivering an agent to a subject (e.g., to the liver, spleen, or lung of the subject) or cell and for treating and / or preventing a range of diseases, such as genetic diseases, proliferative diseases, hematological diseases, neurological diseases, liver diseases, and lung diseases.
Owner:MASSACHUSETTS INST OF TECH
Composition form forming anti-reflective coating for use in lithography
ActiveUS20060290429A1Organic chemistryPhotosensitive materialsAnti-reflective coatingDevice material
There is provided a composition for forming anti-reflective coating for anti-reflective coating that has a good absorption of light at a wavelength utilized for manufacturing a semiconductor device, that exerts a high protection effect against light reflection, that has a high dry etching rate compared with the photoresist layer. Concretely, the composition for forming anti-reflective coating contains a triazine trione compound, oligomer compound or polymer compound having hydroxyalkyl structure as substituent on nitrogen atom.
Owner:NISSAN CHEM IND LTD
Multi-functional oxidizing composition
A composition comprising a stable anhydrous mixture of an oxidizing agent and an active halogen agent wherein the oxidizing agent is potassium hydrogen peroxymonosulfate and the active halogen agent is an alkali metal salt of dichloro-s-triazinetrione, halogenated dimethylhydantoin, or mixtures thereof, and a method of treating water with such compositions are disclosed.
Owner:LENKSESS CORP
Method for preparing tri(3-trimethoxysilylpropyl) isocyanurate
The invention discloses a method for preparing tri(3-trimethoxysilylpropyl) isocyanurate, which comprises the following steps: performing polycondensation reaction on 3-isocyanate group propyl trimethoxy silane serving as a monomer in the presence of a catalyst and a solvent, and concentrating the filtrate obtained by filtering the reaction product to obtain a crude product of 1,3,5-tri[3-(trimethoxysilicyl)propyl]-1,3,5-triazine-2,4,6-triketone. The method has the advantages of low cost, high conversion rate, high purity of the product, good selectivity of the product, simple operation and suitability for industrial production.
Owner:ZHEJIANG HUTU PHARMCHEM
Herbicide composition and herbicide containing herbicide composition
ActiveCN107581191ADelay drug resistanceExpand the spectrum of weed controlBiocideAnimal repellantsBenzoic acidDiphenyl ether
The present invention relates to the field of pesticide herbicides, and discloses a herbicide composition and a herbicide containing the herbicide composition, the herbicide composition comprises a component A and a component B, the component A is a triketone compound shown as formula (I), and the component B is at least one selected from the group consisting of triazine herbicides, hydroxybenzonitrile herbicides, triazolinone herbicides, diphenyl ether herbicides, pyridinecarboxylic acid herbicides, phenoxycarboxylic acid herbicides, benzoic acid herbicides, pyridine herbicides, chloroacetamide herbicides, sulfonylurea herbicides, triazolopyrimidine herbicides, bentazone, mesotrione and topramezone. The herbicide composition can broaden the herbicidal spectrum and can improve the controleffect and retard the occurrence of weed drug resistance and anti-drug property.
Owner:SHANDONG CYNDA CHEM
Phosphor-nitrogen halogen-free flame-retardant epoxy resin
The invention relates to a phosphor-nitrogen additive type flame retardant 3-(3-DOPO-2-hydroxyl-1-propyl)-triazine triketone (TGIC-DOPO), and belongs to the technical field of preparing flame-retardant epoxy resin materials by adding specific flame-retardant components in common epoxy resin. The cured epoxy resin is prepared by carrying out melt blending on a flame retardant TGIC-DOPO and a bisphenol A diglycidyl ether type resin at a certain temperature, adding an organic solvent to prepare a flame-retardant epoxy resin, adding a curing agent into the flame-retardant epoxy resin, volatizing the organic solvent at a certain temperature and performing a curing reaction of epoxy resin. The epoxy resin disclosed by the invention can be used as a flame-retardant binding material in the field of electronic appliances.
Owner:BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
Triketone compound, preparation method and application thereof, and herbicide
ActiveCN110669016AImprove securityGood prevention effectBiocideGroup 4/14 element organic compoundsPesticides/herbicidesPoaceae
The invention relates to the field of pesticide herbicides, and discloses a triketone compound, a preparation method and applications thereof, and a herbicide. The triketone compound has a structure represented by formula (I), and R is n-propyl or cyclopentyl. The triketone compound provided by the invention can be used as an HPPD herbicide for preventing and removing gramineous weeds and broadleaf weeds in wheat fields and / or peanut fields, and has a good prevention effect on various gramineous weeds and part of broadleaf weeds harmful to the growth of wheat and / or peanuts.
Owner:SHANDONG CYNDA CHEM
Process for synthesizing triketone herbicide cyclic sulcotrione
InactiveCN104292137AHigh yieldEliminate hydrogen peroxide oxidation stepOrganic chemistryOrganic compound preparationBenzoic acidCyclohexene
The invention relates to a process for synthesizing triketone herbicide cyclic sulcotrione. The method comprises the following steps: (1) synthesizing 2-chloro-6-methylsulfonyl methylbenzene; (2) synthesizing 2-chloro-3-acetyl-6-methylsulfonyl methylbenzene; (3) synthesizing 2-chloro-3-methyl-4-methylsulfonyl benzoic acid; (4) synthesizing methyl 2-chloro-3-methyl-4-methylsulfonyl benzoate; (5) synthesizing methyl 2-chloro-3-bromomethyl-4-methylsulfonyl benzoate; (6) synthesizing 2-chloro-3-(2,2,2-trifluoroethyoxy)methyl-4-methylsulfonyl benzoic acid; (7) synthesizing 2-chloro-3-(2,2,2-trifluoroethyoxy)methyl-4-methylsulfonyl benzoic acid 3-oxo-1-cyclohexene ester; and (8) synthesizing cyclic sulcotrione. The process disclosed by the invention has the beneficial effects that the reaction steps are reduced, the reaction time is shortened, and the yield of intermediates is improved; the reaction conditions are mild and safe; and the cost is reduced.
Owner:WUHAN INSTITUTE OF TECHNOLOGY
Budesonide preparing method
The invention discloses a budesonide preparing method. Prednisone I and acetic anhydride II react to produce 17,21-diacetoxy-1,4-pregnane diene-3,11,20-triketone III, the III is degreased in an anhydrous solvent to obtain 21-acetoxyl group-1,4,16-pregnane diene-3,11,20-triketone IV, the IV is oxidized to obtain 16alpha,17alpha-dyhydroxy-21-acetoxyl-1,4-pregnane diene-3,11,20-triketone V, the V and n-butyl aldehyde VI are condensed to obtain 16alpha,17alpha-22(R,S) propyl methylenedioxy-21-acetoxyl group-1,4-pregnane diene-3,11,20-triketone VII, the VII is reduced to obtain 16alpha,17alpha-22(R,S) propyl methylenedioxy-11beta-hydroxyl-21-acetoxyl group-1,4-pregnane diene-3,20-diketone VIII, the VIII is subjected to base catalysis to obtain budesonide IX. The budesonide preparing method is suitable for industrial production.
Owner:SHANGHAI SINE PROMOD PHARMA
Low surface energy, ethylenically unsaturated polyisocyanate addition compounds and their use in coating compositions
The present invention is directed to polyisocyanate addition compounds which i) are substantially free from isocyanate groups and are prepared from one or more a)polyisocyanate adducts containing isocyanurate, uretdione, biuret, allophanate, iminooxadiazine dione carbodiimide and / or oxadiazinetrione groups and / or b) NCO prepolymers, ii) contain urethane groups, iii) contain siloxane groups (calculated as SiO, MW 44) in an amount of 0.002 to 50% by weight, and iv) contain ethylenically unsaturated groups (calculated as C═C, MW 24) in an amount of 2 to 40% by weight, wherein the preceding percentages are based on the solids content of the polyisocyanate addition compounds and wherein the siloxane groups are incorporated by reacting an isocyanate group with a compound containing one or more hydroxyl groups directly attached to a carbon atom and one or more siloxane groups to form urethane groups and optionally allophanate groups, provided that more than 50 mole % of the groups that chemically incorporate siloxane groups into the polyisocyanate addition compounds are urethane groups. The present invention also relates to the use of the polyisocyanate addition compounds in coating compositions curable by free radical polymerization.
Owner:BAYER MATERIALSCIENCE AG
Herbicidal composition and use thereof
ActiveCN101326912AGood synergyImprove weed control effectBiocideAnimal repellantsHas active ingredientChemical composition
The invention provides a herbicide combination, containing the effective constituents of picloram or picloram ester, clopyralid or clopyralid ester and as well as one or more varieties of triketone; the weight ratio of the three constituents is 0.1:1:20-20:1:0.1. The combination contains at least one surfactant. The combination can be used to prepare emulsifiable solution, liquor, thick emulsion, microemulsion, wettable powder, water suspending agent, oil suspending agent, water-dispersible granules, soluble powder or granules, and is used to prevent and control Gramineae and broad-leaved weeds which have grown for one year or more than one year in the corn field.
Owner:北京颖泰嘉和分析技术有限公司
Composite method of triketone compound
ActiveCN101735119ALow toxicityHigh yieldOrganic chemistryOrganic compound preparationOrganic solventPurine
The invention discloses a composite method of triketone compound shown in the formula (I). In the formula (I), X is Cl or NO2. The composite method is as follows: enol ester shown in the formula (II) generates rearrangement reaction under the action of an alkaline reagent and a rearrangement catalyst in organic solvent; after reaction ends, the obtained reaction liquid is acidized and separated to obtain the triketone compound; the rearrangement catalyst is purine compound. The composite method of the triketone compound (sulcotrione and mesotrione) of the invention adopts the catalyst with small toxicity, protects environment, has high product yield and is suitable for industrial production.
Owner:ZHEJIANG UNIV OF TECH
Preparation method of hydrocortisone
ActiveCN102367262AAvoid it happening againRaw materials are easy to getSteroidsDisplacement reactionsHydrocortisone acetate
The invention, relating to the field of pharmaceutical synthesis, particularly relates to a preparation method of hydrocortisone, comprising the following steps: using an intermediate 17 alfa-hydroxy-4-pregnene-3,11,20- triketone (II) in a Rhizopus nigricans method as raw material, successively carrying out ketal reaction, reduction reaction, hydrolysis reaction, iodine adding reaction, and displacement reaction to obtain hydrocortisone acetate (VII), and finally carrying out sodium hydroxide hydrolysis reaction to obtain the hydrocortisone (I). The invention has the advantages of easy obtainment of raw material, common auxiliary materials, and no need of using toxic, highly toxic, and carcinogenic reagents. The method is more efficient than the process in the prior art, and the products has good quality and yield.
Owner:ZHEJIANG XIANJU PHARMA
Preparation method of important intermediate of cortisone acetate
Owner:JIANGSU YUANDA XIANLE PHARMA
Arylpropionyl-triketone antibacterial agents
ActiveUS20130289128A1Growth inhibitionBiocideOrganic chemistryCombinatorial chemistryAntibacterial agent
The invention provides a compound of formula (I): or a salt thereof, wherein R1-R5 have any of the values described in the specification, as well as compositions comprising a compound of formula (I). The compounds are useful as RNA polymerase inhibitors and antibacterial agents.
Owner:EBRIGHT RICHARD H +1
Androstane-4, 6, 8 (9), 13 (14)-tetraene-3, 11, 16-triketone and application thereof
InactiveCN103073608AGood inhibitory effectEnhanced inhibitory effectOrganic active ingredientsSteroidsBALB/cPhysiology
The invention discloses a polyene high-oxidation androstane compound, i.e., androstane-4, 6, 8 (9), 13 (14)-tetraene-3, 11, 16-triketone. The compound is extracted from epigynum auritum plant. Experiments prove that the compound has an obvious suppression effect on Balb / c mouse spleen lymphopoiesis stimulated by ConA (concanavalin) and has activity equivalent to that of the conventional immunosuppression active substances, i.e., triptolide and dexamethasone.
Owner:KUNMING UNIV OF SCI & TECH
12[beta]-hydroxyandrostane-4,6,8(9),13(14)-tetraene-3,11,16-triketone and application thereof
InactiveCN103073607AEnhanced inhibitory effectOrganic active ingredientsSteroidsChemical compoundMedicinal chemistry
The invention discloses an androstane compound with high polyenoid oxidizability, i.e. 12[beta]-hydroxyandrostane-4,6,8(9), 13(14)-tetraene-3,11,16-triketone. The compound is extracted from epigynum auritum plants. Experiments prove that the compound provided by the invention has immunosuppressive activity.
![12[beta]-hydroxyandrostane-4,6,8(9),13(14)-tetraene-3,11,16-triketone and application thereof](https://images-eureka.patsnap.com/patent_img/de9da88f-0773-4df8-8fba-06c75cd7f313/161077DEST_PATH_IMAGE004.PNG "12[beta]-hydroxyandrostane-4,6,8(9),13(14)-tetraene-3,11,16-triketone and application thereof")
![12[beta]-hydroxyandrostane-4,6,8(9),13(14)-tetraene-3,11,16-triketone and application thereof](https://images-eureka.patsnap.com/patent_img/de9da88f-0773-4df8-8fba-06c75cd7f313/2013100599032100002DEST_PATH_IMAGE003.PNG "12[beta]-hydroxyandrostane-4,6,8(9),13(14)-tetraene-3,11,16-triketone and application thereof")
Owner:KUNMING UNIV OF SCI & TECH
Method for preparing antioxidant
A method for preparing 1.3.5-tri(3.5-di tert butyl-4-hydroxybenzaldehyde)1.3.5-s-triazine.2.4.6-(1H, 2H, 3H) triketone is characterized by adding isopropanol and distilled water into a reactor, adding cyanuric acid and paraformaldehyde under stirring, adding catalysts including triethylamine and dibutylamine after uniform dispersion, after uniform stirring, raising the temperature to 60-80 DEG C under the protection of nitrogen, after adding 2.6-di tert butyl phenol, continuing raising the temperature until the reflux state, naturally cooling after reacting for 10-12h, carrying out pumping filtration after cooling to 10 DEG C, drying to obtain the crude product and obtaining the product through recrystallization and refining. The method has the following advantages and benefits: 1. the production technology process is more reasonable and convenient and the production efficiency is improved; 2. the pollution to the environment is lightened and the harm to the production workers is reduced; and 3. the yield of the product is improved and the total yield is over 90%.
Owner:天津市北方金恒新材料有限责任公司
Low surface energy, ethylenically unsaturated polyisocyanate addition compounds and their use in coating compositions
The present invention is directed to polyisocyanate addition compounds which i) are substantially free from isocyanate groups and are prepared from one or more a) polyisocyanate adducts containing uretdione, biuret, allophanate, carbodiimide and / or oxadiazinetrione groups and / or b) NCO prepolymers, ii) contain urethane groups, iii) contain fluorine (calculated as F, AW 19) in an amount of 0.01 to 50% by weight, and iv) contain ethylenically unsaturated groups (calculated as C═C, MW 24) in an amount of 2 to 40% by weight, wherein the preceding percentages are based on the solids content of the polyisocyanate addition compounds and wherein fluorine is incorporated by reacting an isocyanate group with a compound containing two or more carbon atoms, one or more hydroxyl groups and one or more fluorine atoms to form urethane groups and optionally allophanate groups, provided that more than 50 mole % of the groups that chemically incorporate fluorine into the polyisocyanate addition compounds are urethane groups. The present invention also relates to the use of the polyisocyanate addition compounds in coating compositions curable by free radical polymerization.
Owner:BAYER MATERIALSCIENCE AG
Method for synthesizing clethodim
The invention relates to a method for synthesizing clethodim, in particular to a process for synthesizing an agricultural herbicide clethodim, namely (+ / -)-2-[(E)-3-chloro-allyloxyimino]propyl-5-[2-(ethylthio)propyl]-3-hydroxy-cyclohexyl-2-keten. The method uses petroleum ether as a solvent and a ketone complex as a stabilizing agent to perform condensation reaction on propyl-triketone and allyl amine oxide to prepare the clethodim. Under the condition that the ketone complex serves as the stabilizing agent, the method can perform the condensation reaction at a low temperature by using the petroleum ether as the solvent, and prevent the clethodim product obtained through the reaction from being decomposed due to a high temperature to cause yield declination and content to decrease, thus the yield of the method can reach about 97 percent and the content reaches 94 percent.
Owner:JIANGSU CHANGQING AGROCHEMICAL CO LTD
Antibacterial compounds
There is an ongoing need for new antibiotics which may be effective against bacteria that are otherwise difficult to control. The present invention therefore relates to new antibacterial triketone compounds of Formula (1), or salts, metal complexes or tautomeric forms of these compounds. The compounds have potential as novel antibiotics. Thus, the invention also relates to methods of treatment or prevention of bacterial infections using the compounds, and to compositions containing them.
Owner:NEW ZEALAND INST FOR CROP & FOOD RES
Preparation method of triketone compound and triketone compound intermediate
ActiveCN105712912AMild reaction conditionsSimple processOrganic chemistryOrganic compound preparationAlkyl substitutionNucleophilic substitution
The present invention discloses a preparation method of a triketone compound and a triketone compound intermediate. The method is as follows: a compound (III) is obtained by nucleophilic substitution reaction of a compound (I) as a raw material and a compound (II) under the action of a base and then oxidation reaction, and the triketone desired product is obtained by acyl chlorination, esterification and rearrangement of the compound (III). The beneficial effects are mainly reflected as follows: the method is mild in reaction conditions, simple in process, high in yield, good in product quality, low in production costs, less in three-waste, and suitable for industrial production.
Owner:ZHEJIANG ZHUJI UNITED CHEM
Multi-functional oxidizing composition
Owner:LENKSESS CORP
Cyanurate hapten, artificial antigen and antibody, and preparation method and applications thereof
The invention provides a cyanurate hapten, an artificial antigen and an antibody, and a preparation method and applications thereof. According to the invention, 1, 3, 5-triazine-2, 4, 6-(1H, 3H, 5H)-triketone is reacted with bromocarboxylic acid benzyl ester to generate carboxyl-containing hapten; and the carboxyl-containing hapten is then coupled with protein through active ester method or mixed anhydride method. Cyanurate specific antibody is obtained after the artificial antigen is applied to the immunization of animals. The antibody according to the invention can be used for cyanurate immunodetection to achieve onsite fast detection of cyanurate and guarantee food safety.
Owner:SOUTH CHINA AGRI UNIV
System and method for continuously synthesizing clethodim
ActiveCN112221444AWell mixedEnhanced mass transferSequential/parallel process reactionsChemical/physical/physico-chemical microreactorsAcyl groupChemical products
The invention belongs to the technical field of chemical product synthesis, and relates to a micro-reaction system and method for synthesizing herbicide clethodim. The system is formed by sequentiallyconnecting a micro-channel reactor I, a micro-channel reactor II and a collector in series. The synthesis method comprises the following steps of: by taking an ethanol solution of 5-[2-(ethanethiol)propyl]- 2-propionyl-1, 3-cyclohexanedione (referred to as refined triketone) and chloroallyloxyamine (referred to as chloroamine) as raw materials, respectively and continuously conveying the raw materials into the micro-channel reactor I through a metering pump to realize strong mixing and reaction; and continuing to mix and react the reacted materials in the micro-channel reactor II, controlling the temperature of the system through a heat exchanger, enabling the reaction product to enter the collector, and carrying out acid washing separation to obtain the product clethodim. According to the system and the method, low-energy-consumption, safe and continuous production of clethodim can be realized, the conversion rate of refined triketone is higher than 99% under the condition that themolar ratio of chloramine to refined triketone is 1.20, and the yield of the product clethodim is higher than 95%.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione
The invention belongs to the technical field of organic chemistry, and more particularly relates to a preparation method of cis-1.3-disubstituted benzyl imidazoline-2-ketone-2H-furo (3.4-d) imidazole-2, 4, 6-triketone (cyclic anhydride, I). The prior art has the disadvantages of high unit consumption of acetic anhydride, incomplete reaction and poor product quality, etc. In the preparation method, 1, 3-disubstituted benzyl imidazoline-2-ketone-cis-4, 5-dicarboxylic acid and various acyl halide are subject to dehydration / ring closure in an organic solvent or in a solvent-free way so as to obtain the cis-1.3-disubstituted benzyl imidazoline-2-ketone-2H-furo (3.4-d) imidazole-2, 4, 6-triketone (cyclic anhydride, I). The method can avoid the adoption of a great deal of acetic anhydride, and has mild reaction condition, product purity of more than 99 percent, low cost and less pollution to the environment, thus being suitable for industrial production.
![Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione](https://images-eureka.patsnap.com/patent_img/1ee843e3-3fe8-4a51-ac3e-00536f764baf/s2008100325046c00011.PNG "Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione")
![Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione](https://images-eureka.patsnap.com/patent_img/1ee843e3-3fe8-4a51-ac3e-00536f764baf/s2008100325046d00011.PNG "Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione")
![Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione](https://images-eureka.patsnap.com/patent_img/1ee843e3-3fe8-4a51-ac3e-00536f764baf/s2008100325046d00021.PNG "Process for producing cis-1.3 disubstituted benzyl imidazoline-2-ketone-2H-furo[3.4-d]imidazole-2,4,6- trione")
Owner:FUDAN UNIV +1
Thixotropic organic small molecule gel and preparation method thereof
InactiveCN107353257AImprove thixotropyReduce consistencyOrganic chemistryMaterials preparationOrganic solvent
The invention discloses a thixotropic organic small molecule gel and a preparation method thereof. The preparation method comprises: adding a novel sym-triazine triketone derivative having three alkylureidophenyl groups and used as an organic small molecule gel factor to a target organic solvent at a mass concentration of 0.6-10%, carrying out heating dissolving, and cooling to achieve a room so as to form the thixotropic gel using the target organic solvent as the main component. According to the present invention, the small molecule gel factor has characteristics of simple synthesis and wide application, and can make JP-10, RP-3 and other high-density hydrocarbon fuels, benzene, xylene, tetrahydrofuran, N,N-dimethylformamide (DMF) and a variety of organic solvents form thixotropic gels, and the gel material preparation method has advantages of simple process, low cost and wide application prospect, and is suitable for batch-scale preparation.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
Rubber anti-aging agent composition and application thereof
The invention relates to a rubber anti-aging agent composition and belongs to the field of rubber preparation.The rubber anti-aging agent composition aims at overcoming the technical defects that a great number of existing rubber anti-aging agents are toxic and poor in storage stability.The rubber anti-aging agent composition is prepared from active components, including 10-12 parts of zinc stearyl lactylate, 6-15 parts of poly butyl bisphenol, 40-50 parts of tri (nonylphenyl) phosphite ester, 3-8 parts of disproportionated rosin potassium soap, 2-7 parts of N-isopropyl-N'-phenylenediamine, 5-10 parts of vinylation phenol, 5-10 parts of xylene formaldehyde resin, 8-12 parts of 5-(3, 5-bi-tert-butyl-4-hydroxy-benzyl)-1, 3-dimethyl pyrimidine-2, 4, 6 (1H, 3H, 5H)-triketone and 5-8 parts of an anti-aging agent.The rubber anti-aging agent composition is excellent in aging resistance and quite suitable for being applied and popularized in the rubber industry.
Owner:GUANGZHOU HUANGLONG BIOTECH CO LTD
Paddy field herbicide composition based on non-transgenic imidazolinone herbicide-resistant rice variety
The invention relates to a paddy field herbicidal composition based on non-transgenic imidazolinone herbicide-resistant rice varieties, comprising active ingredients a, b and c; wherein a is selected from imazethapyr, imazamox, imazethapyr, imazamox A kind of in acid, imidazolinic acid, imazapyr, imazamox, imazamox methyl, b and c are respectively selected from aryloxyphenoxypropionic acids, sulfonylureas, sulfonamides, triazoles Pyrimidine sulfonamides, amides, pyrimidinesalicylic acids, pyridyloxyacetic acids, arylpicolinates, quinoline carboxylic acids, phenoxyacetic acids, triketones, pyrazolopyridine rings, oxadi One of azole nitrogen-containing heterocycles, fluorophenyl ethers, triazolinones, organic heterocycles, dithiophosphoric acid esters, and benzonitrile, the categories of b and c can be the same but the specific compounds are different, The combination of a, b and c in a certain proportion has a synergistic effect on the target weeds, and is suitable for preventing annual weeds in paddy fields of non-transgenic rice varieties resistant to imidazolinone herbicides.
Owner:JIANGXI ZHONGXUN AGROCHEM
Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone
ActiveCN104876932AIncrease acidityHigh catalytic activityOrganic chemistryFiltrationSynthesis methods
The invention discloses a method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone, and belongs to the technical field of ionic liquid catalysis. The molar ratio of aromatic aldehyde, phthalylhydrazine and 5,5-dimethyl-1,3-cyclohexanedione in synthesis reaction is 1 to 1 to 1; the molar quantity of an acidic ionic liquid catalyst is 3%-7% of used phthalylhydrazine; the volume dose of a reaction solvent based on milliliter is 3-5 times of the molar quantity of the phthalylhydrazine based on millimole; and the method comprises the following steps: carrying out reflux reaction for 8-30 minutes; ending reaction, cooling to a room temperature, and separating out a lot of solids; carrying out suction filtration, washing residues with ethanol, and drying in vacuum to obtain a product. Compared with a synthesis method employing other acidic ionic liquid catalysts, the method has the characteristics of being high in catalytic activity of the catalyst, good in biodegradability and relatively in low preparation cost; the overall synthesis process is simple and convenient to operate; and industrialized large-scale application is facilitated.
![Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone](https://images-eureka.patsnap.com/patent_img/ccc83d27-d745-44ff-95b0-2e9c38f52fb7/BDA0000715058310000031.PNG "Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone")
![Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone](https://images-eureka.patsnap.com/patent_img/ccc83d27-d745-44ff-95b0-2e9c38f52fb7/BDA0000715058310000032.PNG "Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone")
![Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone](https://images-eureka.patsnap.com/patent_img/ccc83d27-d745-44ff-95b0-2e9c38f52fb7/FDA0000715058300000011.PNG "Method for efficient catalytic synthesis of 2H-indole [2,1-b] phthalazine-1,6,11(13H) triketone")
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
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