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96 results about "Hydrazine compound" patented technology

Hydrazine, also known as diazine, is a chemical compound. It is composed of nitrogen and hydrogen ions. Its chemical formula is N2H4. It contains hydrogen in its +1 and nitrogen in its -2 oxidation state.

Anode slurry dispersing, compacting and anti-cracking auxiliary agent for lithium battery and preparation method thereof

The invention relates to the technical field of lithium ion battery assistants, in particular to an anode slurry dispersing, compacting and anti-cracking assistant for a lithium battery and a preparation method of the anode slurry dispersing, compacting and anti-cracking assistant. The anti-cracking aid is prepared from the following raw materials in parts by mass: 20-80 parts of a special polymer, 10-30 parts of a wetting agent, 10-30 parts of a plasticizer and 10-100 parts of a solvent, wherein the preparation raw materials of the special polymer comprise a vinyl monomer, an acrylic monomer, a diene monomer and an initiator; the wetting agent comprises the following raw materials: an amine compound and a hydrazine compound; and the plasticizer is polyether phosphate. When the additive is used for preparing the lithium battery positive electrode slurry, the slurry is uniformly dispersed and low in viscosity, the use of solvents can be reduced, the production process is shortened, and the actual use effect is excellent.
Owner:ANHUI PULITONG NEW MATERIAL TECH CO LTD

Polymerization inhibitor composition and application thereof

ActiveCN119080977AHigh inhibition efficiencyGood inhibition effectPolymer scienceHydrazine compound
The invention provides a polymerization inhibitor composition and application thereof, and relates to the technical field of compounds. The polymerization inhibitor composition provided by the invention comprises a component A, a component B and a component C, the mass ratio of the component A to the component B to the component C is (10-30): (10-30): (5-15); the component A comprises a piperidinol compound; the component B comprises an N-oxygen free radical compound; the component C comprises a hydrazine compound. When the polymerization inhibitor composition provided by the invention is added into a refining unit of an acrylic acid production process, the effect of long-term polymerization inhibition can be achieved, and the polymerization inhibitor composition has the characteristics of small dosage, high polymerization inhibition efficiency and the like, and can ensure the stable operation of a device.
Owner:JILIN MINGDAO CHEM NEW MATERIALS CO LTD

Chiral ferrocene skeleton diphosphine ligand and application of chiral ferrocene skeleton diphosphine ligand in catalyst

The invention relates to a chiral ferrocene skeleton diphosphine ligand and an application thereof in a catalyst, and the disclosed ligand is a novel ferrocene skeleton diphosphine ligand, and the ligand has the advantages of low cost, simple synthesis, good stability and the like. The metal complex of the ligand shows very excellent catalytic activity in CN coupling reaction, can efficiently catalyze coupling of building blocks such as halogenated hydrocarbon and sulfonate with ammonia, amine or hydrazine compounds, and has important industrial application value.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

A hydrazide compound, a rubber composition, and a method for preparing and using the same

The present application relates to the technical field of rubber, in particular to a kind of hydrazide compound, rubber composition and its preparation method and application.The present application provides a kind of hydrazide compound, is mono-hydrazide compound or double hydrazide compound, they have lower melting point, can be well dispersed in rubber matrix in the range of mixing temperature, further ensure its effect.And the hydrazide compound of this kind is added to rubber composition, can obtain the tire product of processing performance improvement, dynamic modulus promotion, anti-wet sliding and balanced rolling resistance.
Owner:ZHONGCE RUBBER GRP CO LTD

Super-hydrophobic coating and preparation method thereof

The invention belongs to the technical field of functional coatings, and particularly relates to a super-hydrophobic coating and a preparation method thereof. The preparation method comprises the following steps: pretreating a base material, placing the base material in an aqueous solution containing a zinc source and at least one electroplating additive, and carrying out electro-deposition to form a zinc coating on the surface of the base material; electroplating it in a first solution comprising a zinc source and an electrolyte salt; transferring into a second solution containing zinc source and alkali source precursors, and growing on the zinc plating layer by a hydrothermal method to form a ZnO nano-structure array layer; the preparation method comprises the following steps: reacting a trifluoromethyl-containing acylating agent with a hydrazine compound in an organic solvent, adding phenolic hydroxyl-containing aromatic amine or a salt thereof and alkali, and reacting under a reflux condition to obtain a fluorine-containing organic ligand; sequentially putting the zeolite imidazate framework material into a first organic solvent containing a zinc source and a second organic solvent containing a fluorine-containing organic ligand and imidazole or a derivative thereof to react, and enabling the fluorine-containing zeolite imidazate framework material to grow on the surface in situ to obtain the super-hydrophobic coating.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

A composite permeation membrane structure, permeation tube and application for volatile hydrazine compounds

The application belongs to the technical field of permeation membrane, and discloses a composite permeation membrane structure, a permeation tube and application for volatile hydrazine compounds. The composite permeation membrane structure has at least two layers of permeation membranes, which include: a contact permeation membrane, which is the first layer of permeation membrane contacted by hydrazine compounds along the permeation direction. The contact permeation membrane is a material resistant to corrosion of liquid hydrazine compounds and has a first permeation coefficient for hydrazine compounds. A slow-release permeation membrane is arranged on the back side of the contact permeation membrane along the permeation direction of hydrazine compounds, and at least one layer is arranged. The slow-release permeation membrane has a second permeation coefficient for hydrazine compounds, and the second permeation coefficient is smaller than the first permeation coefficient. The composite permeation membrane structure of the application can realize stable and low-speed permeation of hydrazine compounds, and the permeation tube can be prepared to be used for preparation of low-concentration hydrazine compound standard gas.
Owner:BEIJING INST OF AEROSPACE TESTING TECH +1

Amide intermediate treatment device and method for hydrazine hydrate production

The invention belongs to an amide intermediate treatment device and method for hydrazine hydrate production. Comprising a concentration tank, the concentration tank is provided with a water-phase reaction liquid inlet pipeline and a catalyst inlet, the catalyst inlet is connected with a quartz sand catalyst preparation unit, an outlet of the concentration tank is connected with a concentrated material inlet of an intermediate recovery kettle, and the intermediate recovery kettle is further connected with an ammonia feeding pipeline. An ammoniation liquid outlet of the intermediate recovery kettle is connected with a separation and recovery unit, and a liquid phase outlet of the separation and recovery unit is connected with a hydrazine compound synthesis section; a steam discharge pipeline is arranged at the top of the concentration tank; the method has the advantages that moisture in the water-phase reaction liquid can be removed, ammonium formate is converted into formamide and recycled, meanwhile, metal ions are prevented from being contained in ammoniation liquid, and further, the treatment cost is reduced and continuous treatment is achieved on the basis of energy conservation and consumption reduction.
Owner:HENAN XINLIANXIN FERTILIZER

Polyurethane material with self-repairing function, and preparation method and application thereof

This application provides a self-healing polyurethane material, its preparation method, and its applications, relating to the field of polymer materials technology. The material uses a polyurethane matrix constructed from polyols and polyisocyanates, and introduces aromatic polyaldehyde compounds to form reversible dynamic bond structures with hydrazine compounds, thereby endowing the material with excellent self-healing properties. By controlling the type of chain extender and the melt blending process conditions, the material can achieve crack healing and restore mechanical properties after damage, while also possessing good flexibility, processability, and stability. The preparation process of this application is simple and the conditions are mild. The resulting material can be widely used in coatings, seals, and elastomers, significantly improving material service life and reliability.
Owner:SHANGHAI ASTRACE NEW MATERIAL TECH CO LTD

Adhesive film, connection structure and method for manufacturing the same

To provide an adhesive film which exhibits low temperature quick curability and good adhesive strength and connection reliability, can be narrowly and stably slit, and has good temporary stickiness.SOLUTION: An adhesive film has a base material film subjected to release treatment, and an insulation resin layer which is provided thereon and exhibits radical polymerizability and anion polymerizability, and has a film width of 1.0 mm or less, further 0.8 mm or less, and has a length of 5 m or more. The insulation resin layer contains: a radical polymerization initiator which contains a film-formation component containing two kinds of film components having different molecular weights, a radical polymerizable component containing a first acrylic compound, an anion polymerizable component containing an epoxy-based compound, and an organic peroxide having a one-min half-life temperature of 125°C or lower; and an anion polymerization curing agent which is solid at normal temperature and contains an organic acid hydrazide compound.SELECTED DRAWING: Figure 1A
Owner:DEXERIALS CORP

Electrolytic synthesis of a pyrazolone compound intermediate

The application discloses an electrolytic synthesis method of a pyrazolone compound intermediate, and the method uses a nitroso acid ester compound as raw material to obtain an electrolyte containing a hydrazine compound through electrochemical reduction; the electrolyte containing the hydrazine compound is subjected to a cyclization reaction to obtain a pyrazolone compound; the application uses a mild and efficient electrochemical reduction mode to replace a high-risk diazotization reaction to synthesize the pyrazolone compound; the electrolyte can be recycled for multiple times, and a large amount of sulfite, acid and other reagents needed in the synthesis process are avoided, and a large amount of 'three wastes' is reduced. The method has better product purity (> 95%) and yield (> 80%), the method is more green and environmental protection, no three wastes are generated, and is suitable for industrial production.
Owner:ZHEJIANG UNIV OF TECH

Indolinone compound and synthesis method thereof

The invention belongs to the technical field of organic compounds, and particularly discloses an indolinone compound and a synthesis method thereof. The molecular structural formula of the indolinone compound is shown as a formula (A), and the synthesis method of the indolinone compound comprises the following steps: S1, carrying out an amide condensation reaction on a compound shown as a formula (1) to generate a compound shown as a formula (2); s2, performing aminolysis reaction on the compound as shown in the formula (2) to generate a hydrazide compound as shown in a formula (3); s3, carrying out nucleophilic substitution reaction on the compound as shown in the formula (4) to generate a compound as shown in a formula (5); and S4, carrying out condensation reaction on the compound as shown in the formula (3) and a compound as shown in a formula (5) to generate the indolinone compound as shown in a formula (A). The indolinone compound provided by the invention is novel in structure, mild and simple in synthesis method and high in yield, and the indolinone compound is also found to be effective in antibiosis.
Owner:CHONGQING MEDICAL UNIVERSITY

A PVDF-based organic-inorganic composite polymer solid electrolyte and its preparation method and application

The present invention belongs to the field of solid electrolytes, and in particular to a PVDF-based organic-inorganic composite polymer solid electrolyte and its preparation method and application. The solid electrolyte includes PVDF, a lithium salt, an active filler and an organic additive, wherein the mass ratio of PVDF to lithium salt is (1-20): 1, the mass ratio of the total mass of PVDF and lithium salt to the active filler is (3-30): 1, the mass ratio of the total mass of PVDF and lithium salt to the organic additive is (2-20): 1, and the organic additive is a hydrazine compound. The present invention introduces hydrazine-based organic small molecule additives to effectively improve the ionic conductivity of PVDF-based organic-inorganic composite solid electrolytes at near room temperature. Small organic molecules and lithium salts form a high-performance interface layer in situ, significantly improving the interfacial compatibility of organic-inorganic composite solid electrolytes and lithium metal, and improving the mechanical strength of organic-inorganic composite solid electrolytes.
Owner:SHANDONG CHUANGLU ADVANCED BATTERY TECH CO LTD

Preparation method and application of myrtenyl-1, 3, 4-oxadiazole formyl hydrazine compound

The invention discloses a preparation method of a myrtenyl-1, 3, 4-oxadiazole formyl hydrazine compound as well as a product and application of the myrtenyl-1, 3, 4-oxadiazole formyl hydrazine compound. The preparation method comprises the following steps: oxidizing myrtenal to synthesize myrtenic acid; reacting the myrtenic acid with hydrazine hydrate to generate myrtenyl hydrazide; the preparation method comprises the following steps: reacting myrtenyl hydrazide with methyl oxalyl chloride to generate myrtenyl-1, 3, 4-oxadiazole methyl ester; the preparation method comprises the following steps: reacting myrtenyl-1, 3, 4-oxadiazole methyl ester with each substituted phenylhydrazine to synthesize a myrtenyl-1, 3, 4-oxadiazole formyl hydrazine compound; the compound has a general formula I: # imgabs0 #, wherein R is H, 4-F, 4-Cl, 4-Br, 4-I, 4-CH3, 2-CH3, 2-F, 3-F, 2-Cl, 3-Cl, 2-Br, 3-Br and 4-OCH3; the compound has a good prevention effect on sclerotinia sclerotiorum, botryosphaeria dothidea and fusarium graminearum under an in-vitro condition, and can be used for preventing and treating fungal diseases of agricultural or forestry plants. The preparation method of the compound is simple and convenient, the yield is high, and the product property is stable.
Owner:NANJING FORESTRY UNIV

PVDF (Polyvinylidene Fluoride)-based organic-inorganic composite polymer solid electrolyte as well as preparation method and application thereof

ActiveCN119674192Aimprove performanceStrong electronic supply characteristicsSecondary cellsHydrazine compoundPolyvinylidene difluoride
The invention belongs to the field of solid electrolytes, and particularly relates to a PVDF (polyvinylidene fluoride)-based organic-inorganic composite polymer solid electrolyte as well as a preparation method and application thereof. The solid electrolyte comprises PVDF, a lithium salt, an active filler and an organic additive, the mass ratio of the PVDF to the lithium salt is (1-20): 1, the ratio of the total mass of the PVDF and the lithium salt to the mass of the active filler is (3-30): 1, the ratio of the total mass of the PVDF and the lithium salt to the mass of the organic additive is (2-20): 1, and the organic additive is a hydrazine compound. According to the invention, the hydrazine organic small molecule additive is introduced, so that the ionic conductivity of the PVDF-based organic-inorganic composite solid electrolyte at near room temperature can be effectively improved. The small organic molecules and the lithium salt form a high-performance interface layer in situ, so that the interface compatibility of the organic-inorganic composite solid electrolyte and the lithium metal is remarkably improved, and the mechanical strength of the organic-inorganic composite solid electrolyte is improved.
Owner:SHANDONG CHUANGLU ADVANCED BATTERY TECH CO LTD

Method for electrochemical synthesis of amine compounds

The invention belongs to the technical field of electrochemical organic synthesis, and particularly relates to a method for electrochemical synthesis of amine compounds. According to the method for electrochemical synthesis of the amine compound, a hydrazine compound, hydrochloric acid and an electrolyte are added into a solvent to form a reaction system, metal serves as an anode and a cathode, constant-current preparation is carried out, the adopted current is 8-15 mA, after the reaction is completed, a reactant is subjected to aftertreatment, and the amine compound is prepared. The molar ratio of the hydrazine compound to the hydrochloric acid to the electrolyte is 1: (0.5-2): (0.5-4). The structural formula of the hydrazine compound is as shown in a formula 1, a formula 2, a formula 3, a formula 4 or a formula 5: # imgabs0 #. The method for electrochemical synthesis of the amine compound provided by the invention is simple to operate, free of metal additives, high in product yield and easy to separate.
Owner:SHANDONG JINKELI POWER SOURCES TECH +1

Method for preparing hydrazine compound

PCT designated stage expiredWO2025081713A1FermentationHydrazine compoundCombinatorial chemistry
A method for preparing a hydrazine compound. The method comprises: using an imine reductase to catalyze a reduction reaction between a substrate ketone compound as shown in formula I or formula III and a substrate hydrazine compound as shown in formula II, to obtain a product hydrazine compound. The imine reductase is used to perform the synthesis of the hydrazine compound, the synthesis process is simple and economical, various hydrazine compounds can be directly synthesized, and fewer substituent groups are present on the N atoms of the resulting hydrazine compounds. In addition, the method can be used for industrial amplification, is low in cost and high in purity, and achieves true green chemistry.
Owner:JINLIN ASYMCHEM PHARM CO LTD +1

Novel modified oxadiazole polymer as well as preparation method and application thereof

The invention discloses a novel modified oxadiazole polymer and a preparation method and application thereof, a hydrazine compound and an ester compound are subjected to three-step synthesis condensation polymerization, and the preparation method comprises the following three steps: firstly, the hydrazine compound and the ester compound are subjected to an esterification reaction to obtain a product hydrazide ester compound; secondly, carrying out high-temperature cyclization synthesis reaction on the product hydrazide ester compound to obtain an oxadiazole ester compound; and finally, carrying out synthesis polycondensation reaction on the oxadiazole ester compound and an alcohol compound to obtain the novel oxadiazole polymer. Compared with a traditional common PET foam material, the novel oxadiazole polymer material prepared by the method has better flexibility, higher rigidity, higher tensile strength and higher wear resistance, is suitable for being applied to preparation of high-strength, high-toughness and friction-resistant materials such as foamed plastics, fibers, films, coatings and adhesives, and has very high potential application value. The technology is expected to generate important application in various fields and promote the development of the scientific and engineering fields.
Owner:JIANGSU YUEKE NEW MATERIAL

1,3,5-trisubstituted pyrazoles and methods for their preparation

The application belongs to the technical field of organic synthesis, and particularly relates to a 1,3,5-trisubstituted pyrazole compound and a preparation method thereof. The preparation method of the 1,3,5-trisubstituted pyrazole compound provided by the application comprises the following steps: mixing a hydrazine compound, an alpha-bromoketone compound, a photocatalyst, an alkaline compound, an additive and a polar organic solvent, and performing an addition cyclization reaction under light irradiation to obtain the 1,3,5-trisubstituted pyrazole compound. The preparation method has the advantages of mild conditions, easy control, high reaction efficiency, economical steps, cheap and easily available raw materials, no use of oxidants, good functional group tolerance and the like, and the prepared 1,3,5-trisubstituted pyrazole compound has high purity, the purity is 98.5-99.9%, and has great market promotion value.
Owner:GANNAN NORMAL UNIV

1-hydroxyalkyl-5-sulfydryl-1, 2, 4-triazole-3-formic acid compound as well as preparation method and application of 1-hydroxyalkyl-5-sulfydryl-1, 2, 4-triazole-3-formic acid compound

The invention provides a 1-hydroxyalkyl-5-sulfydryl-1, 2, 4-triazole-3-formic acid compound as well as a preparation method and application of the 1-hydroxyalkyl-5-sulfydryl-1, 2, 4-triazole-3-formic acid compound. The preparation method comprises the following steps: by taking a hydroxyalkyl hydrazine compound 2 as a raw material, sequentially carrying out condensation reaction, addition cyclization reaction and dehydrogenation reaction to obtain a 1-hydroxyalkyl-5-sulfydryl-1, 2, 4-triazole-3-formic acid compound 1. The compound 1 provided by the invention has the following remarkable characteristics and advantages: (1) the compound 1 provided by the invention is novel in structure and diversified in function; (2) the compound is simple in preparation method, high in yield, less in three wastes, safe to operate and suitable for mass production; and (3) the new compound 1 with multiple functional groups can be used for synthesizing other compounds with important value through further functional group conversion reaction, such as a bactericide 2-[2-(1-chlorocyclopropyl)-3-(2-chlorphenyl)-2-hydroxypropyl]-1, 2, 4-triazole-3-thione (prothioconazole). # imgabs0 #
Owner:MAX RUDONG CHEM

Hydrazide compounds taking syringic acid as a lead, and preparation method and application thereof

The application discloses a kind of hydrazine compounds with eugenol as lead and its preparation method and application, and the biological activity test result shows that all compounds are excellent, broad-spectrum antibacterial activity to the plant pathogenic fungi tested.The inhibition effect of most target compounds on plant pathogenic fungi is better than that of positive control rynaxapyr, and the antibacterial effect of compound 11 on rhizoctonia solani, fusarium graminearum, alternaria solani, phoma exigua var. horii and phoma sorghicola is the best, and the EC 50 Values are 0.258 μg / mL, 0.679 μg / mL, 0.424 μg / mL, 0.384 μg / mL and 0.975 μg / mL respectively; for the gossypium gossypium, the antibacterial effect of compound 12 is the best, and the EC 50 Value is 0.989 μg / mL; followed by compound 11, and the EC 50 Value is 1.248 μg / mL.The hydrazine compounds prepared with eugenol as lead have excellent, broad-spectrum and high-efficiency anti-plant pathogenic microorganism activity, and can be used for preventing and treating plant diseases caused by plant pathogenic microorganisms.
Owner:GUIZHOU UNIV

Detection method of hydrazine compound and application thereof

The invention provides a hydrazine compound detection method and application thereof, and belongs to the technical field of pharmaceutical analysis. The detection method comprises the following steps: dissolving a to-be-detected sample with water, mixing the to-be-detected sample with a derivatization reagent, carrying out a derivatization reaction on the hydrazine compounds in the to-be-detected sample and the derivatization reagent to generate a derivative product, detecting the content of the derivative product by adopting a high performance liquid chromatography-mass spectrometry method, and calculating the content of the hydrazine compounds. The method can simultaneously detect chloroacethydrazide and trifluoroacethydrazide, and has the advantages of low detection limit concentration and quantitation limit concentration, high sensitivity, good repeatability, high accuracy and good separation effect.
Owner:SUNSHINE LAKE PHARMA CO LTD

Aza-cyclohydrazide compounds and uses thereof

The present application belongs to the field of pharmaceutical chemistry, and relates to azacyclic hydrazine compounds and uses thereof. Specifically, the present application provides a compound of formula I or a pharmaceutically acceptable salt, stereoisomer, tautomer, polymorph, solvate, racemate, prodrug or metabolite thereof, which exhibits good antitumor activity.
Owner:BEIJING SCICURECANCER TECH CO LTD

Method for photocatalytic synthesis of diaryl hydrazine compounds

The invention discloses a diaryl hydrazine compound and a preparation method thereof, and the preparation method comprises the following steps: mixing an azobenzene compound, an alkyl NHPI ester reagent, a photosensitizer, an alkaline reagent and a solvent, and reacting under the irradiation of visible light to obtain the diaryl hydrazine compound, wherein the photosensitizer is one or a mixture of two of 2, 4, 5, 6-tetrakis (carbazole-9-yl)-1, 3-dicyanobenzene, di [2-(2, 4-difluorophenyl)-5-trifluoromethylpyridine] [2-2 '-bis (4-tert-butylpyridine)] iridium hexafluorophosphate, and the solvent is one or a mixture of two of 2, 4, 5, 6-tetrakis (carbazole-9-yl)-1, 3-dicyanobenzene and di [2-(2, 4-difluorophenyl)-5-trifluoromethylpyridine] [2-2'-bis ( And the alkaline reagent is one or a mixture of more of N, N-diisopropylethylamine, potassium phosphate and 1, 8-diazabicyclo [5.4. 0] undec-7-ene. The preparation method disclosed by the invention has the advantages of easily available raw materials, simplicity in operation, mild reaction, wide substrate applicability and the like.
Owner:BENGBU COLLEGE

A kind of polymerization inhibitor composition and its application

ActiveCN119080977BHigh inhibition efficiencyGood inhibition effectPolymer scienceHydrazine compound
The present invention provides an inhibitor composition and its application, and relates to the technical field of compounds. The inhibitor composition provided by the present invention comprises component A, component B and component C; the mass ratio of component A, component B and component C is 10-30:10-30:5-15; component A comprises a piperidinol compound; component B comprises an N-oxyl radical compound; and component C comprises a hydrazine compound. Adding the inhibitor composition provided by the present invention to the refining unit of the acrylic acid production process can achieve the effect of long-term inhibition of polymerization, has the characteristics of small dosage, high inhibition efficiency, etc., and can ensure the smooth operation of the device.
Owner:JILIN MINGDAO CHEM NEW MATERIALS CO LTD

Resin composition for thermoforming

PendingJP2026175280AMasterbatchPolymer science
The object of the present invention is to provide a thermoforming resin composition that does not emit odors during high-temperature heating such as melting and kneading of thermoplastic resins and during molding processes, and from the resin molded product. [Solution] A thermoforming resin composition comprising a thermoplastic resin (S), a hydrazine compound (B), and zeolite particles (ZL), wherein the hydrazine compound (B) is a compound represented by the following general formula (1) and / or the compound represented by the following general formula (2), and the silica / alumina ratio (SiO2 / Al2O3 molar ratio) of the zeolite particles (ZL) is 20 or less. The masterbatch composition comprising a polyolefin resin (A), a hydrazine compound (B), and zeolite particles (ZL), wherein the hydrazine compound (B) is a compound represented by the following general formula (1) and / or the compound represented by the following general formula (2), and the silica / alumina ratio (SiO2 / Al2O3 molar ratio) of the zeolite particles (ZL) is 20 or less.
Owner:SANYO CHEM IND LTD

A 1,5-disubstituted-4-bromopyrazole compound, a preparation method and application thereof

The application belongs to the technical field of organic synthesis, and particularly relates to a 1,5-disubstituted-4-bromopyrazole compound, a preparation method and application thereof. The preparation method of the 1,5-disubstituted-4-bromopyrazole compound comprises the following steps: mixing an enaminone compound, a hydrazine compound, a bromination reagent, a photocatalyst, an additive and a polar organic solvent to perform a ring-forming and regioselective bromination reaction, and obtaining the 1,5-disubstituted-4-bromopyrazole compound. The preparation method has the advantages of wide substrate range, good functional group tolerance, high regioselectivity, simple operation, mild conditions and the like, and the prepared 1,5-disubstituted-4-bromopyrazole compound has high purity, and the purity is 98.5-99.9%.
Owner:GANNAN NORMAL UNIV

High-voltage organic azo positive electrode material and preparation method thereof

The invention discloses a high-voltage organic azo positive electrode material and a preparation method thereof. The preparation method comprises the following steps: S1, mixing a cyanuric chloride raw material, a hydrazine-based raw material, an acid-binding agent and a first reaction solvent according to a preset proportion, and stirring and heating to prepare a hydrazine-based compound; the hydrazino compound comprises a hydrazino functional group-NH-NH-; s2, mixing a hydrazino compound, an oxidizing agent and a second reaction solvent according to a preset proportion, and stirring to prepare an azo compound; the azo compound comprises an azo functional group-N = N-; and S3, carrying out vacuum drying on the azo compound, and adding a conductive agent and an adhesive to prepare the high-voltage organic azo positive electrode material. Due to the existence of the strong electron withdrawing group, the organic azo positive electrode material shows extremely high discharge voltage, and the problems that an existing inorganic electrode material is high in cost, serious in environmental pollution, relatively short in cycle life and the like are solved.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

And Napos; -aryl-4-[5-(trifluoromethyl)-1, 2, 4-oxadiazole-3-yl] benzoyl hydrazine compound as well as preparation and application thereof

The invention relates to a novel compound as well as a preparation method and an application thereof, in particular to an N '-aryl-4-[5-(trifluoromethyl)-1, 2, 4-oxadiazole-3-yl] benzoyl hydrazine compound as well as a preparation method and an application of the N'-aryl-4-[5-(trifluoromethyl)-1, 2, 4-oxadiazole-3-yl] benzoyl hydrazine compound. The structural formula of the N '-aryl-4-[5-(trifluoromethyl)-1, 2, 4-oxadiazole-3-yl] benzoyl hydrazine compound is as shown in a formula I: # imgabs0 #, and the structural formula of the N'-aryl-4-[5-(trifluoromethyl)-1, 2, 4-oxadiazole-3-yl] benzoyl hydrazine compound is as shown in a formula II, wherein R is selected from hydrogen, methyl, naphthyl, chlorine, bromine, trifluoromethyl, 2, 4-dichloro and 2-fluoro-4-chlorine. The compound disclosed by the invention particularly shows relatively good antifungal activity on botryosphaeria dothidea, pythium aphanidermatum and soybean rust, more choices can be provided for research and development of antifungal drugs, and the compound disclosed by the invention has a wide application prospect.
Owner:HEBEI UNIVERSITY

Additive for lithium-ion battery, and use thereof

Disclosed in the present application are an additive for a lithium-ion battery, and the use thereof. The additive for a lithium-ion battery comprises the following raw materials in parts by weight: 40-70 parts of a first solvent, 1-10 parts of a first polymer, 5-15 parts of a second polymer, 10-20 parts of a small-molecule organic amine and 10-20 parts of a stabilizer, wherein the first polymer contains at least one nitrogen-free polar functional group; the second polymer contains at least one nitrogen-containing polar functional group; and the stabilizer is a hydrazine compound. The additive provided in the present application is used in a lithium-ion battery, and can solve the problems of a thick electrode being prone to cracking and positive electrode particles being difficult to disperse.
Owner:JIANGXI INSPIRE NANO MATERIALS CO LTD

An additive for lithium-ion batteries and its application

This application discloses an additive for lithium-ion batteries and its application. The additive has the following raw material composition by weight: 40-70 parts first solvent; 1-10 parts first polymer; 5-15 parts second polymer; 10-20 parts small molecule organic amine; and 10-20 parts stabilizer. The first polymer contains at least one nitrogen-free polar functional group; the second polymer contains at least one nitrogen-containing polar functional group; and the stabilizer is a hydrazine compound. The additive provided in this application, when used in lithium-ion batteries, can solve the problems of thick electrodes easily cracking and the difficulty in dispersing positive electrode particles.
Owner:JIANGXI INSPIRE NANO MATERIALS CO LTD