847 results about "Trifluoromethyl" patented technology

The invention relates to environment-friendly hydrophobic ink and a preparation method thereof, and belongs to the technical field of water-based ink. A copolymerization modifier capable of being combined in a water-based polyacrylate emulsion in an initiation polymerization mode in the stage of preparing the modified water-based polyacrylate emulsion is prepared, and an o-hydroxy aromatic ketone structure in the copolymerization modifier can endow water-based ink with lasting ultraviolet absorption performance; the trifluoromethyl structure can reduce the surface energy of the water-based ink, and the benzimidazole ring structure can form stable coordinate bonds with metal ions, so that the bonding performance of the water-based ink and a metal substrate is enhanced; when the copolymerization modifier is used for modifying the water-based polyacrylate emulsion, the long-term performance, the hydrophobic and oil-resistant performance and the adhesion performance on the surface of a metal base material of the finished water-based ink can be effectively improved.

The invention relates to a compound containing a thiophene group, a device and equipment. In the structural formula of the compound, R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently selected from hydrogen, halogen, cyano, trifluoromethyl, triphenylamine and derivatives thereof, methoxyl, aryl and derivatives thereof, cyanobiphenyl and naphthyl; the compound can be used for preparing a photovoltaic device and photovoltaic equipment and is used for improving the efficiency and stability of the photovoltaic device.

The invention belongs to the technical field of medicinal chemistry, and particularly relates to a 3-sulfamoyl benzamide compound as well as a preparation method and application thereof. The 3-sulfamoyl benzamide compound has a structure as shown in a formula I. In the formula I, X is chlorine or trifluoromethyl; r1 and R2 are independently C1-4 alkyl or R1, R2 and N atoms connected with R1 and R2 jointly form a heterocyclic group, and the heterocyclic group is a substituted or unsubstituted five-membered or six-membered heterocyclic group; and when the heterocyclic group is a substituted heterocyclic group, the substituent group in the substituted heterocyclic group is one or more of C1-4 alkyl, phenyl and acetyl. The 3-sulfamoyl benzamide compound disclosed by the invention has a remarkable proliferation inhibition effect on HCT116 colon cancer cells, HeLa human cervical cancer cells, MDA-MB-231 human breast cancer cells and A375 human malignant melanoma cells.

The invention relates to the technical field of adhesives, and discloses an imidazolium ionic liquid and a preparation method and application thereof, the preparation method comprises the following steps: reacting omega-bromoalcohol with 1-(methoxymethyl) imidazole in acetonitrile, and washing with methyl tert-butyl ether to obtain a target ionic liquid precursor; and dissolving the product in acetonitrile, adding 4-trifluoromethyl phenyl isocyanate, and washing with methyl tert-butyl ether after the reaction is finished, thereby obtaining the target imidazolium ionic liquid. The imidazolium ionic liquid disclosed by the invention is applied to a PVB (Polyvinyl Butyral) adhesive, and the PVB adhesive shows excellent adhesion strength in a macroscopic adhesion performance test on the basis of multiple interactions, and particularly has excellent adhesion strength on aluminum. The obtained adhesive can be universally adapted to various substrates such as metal substrates and macromolecule substrates, and finally high-strength and high-durability intelligent adhesion performance is achieved.

The invention discloses a fluorinated COF enhanced PVDF-HFP composite gel polymer electrolyte. The fluorinated COF enhanced PVDF-HFP composite gel polymer electrolyte is prepared from the following raw materials: polyvinylidene fluoride-co-hexafluoropropylene, a fluorinated covalent organic framework containing an ether oxygen bond and a carbon-carbon unsaturated double bond, bis (trifluoromethylsulfonyl) imide anion ionic liquid and fluorine-containing imide lithium salt, the fluorinated covalent organic framework containing the ether-oxygen bond and the carbon-carbon unsaturated double bond is prepared by carrying out condensation reaction on a perfluorophenylene-containing module and the ether-oxygen bond-containing aromatic module. According to the electrolyte, PVDF-HFP is used as a polymer matrix, bis (trifluoromethylsulfonyl) imidogen ionic liquid is used as a functional phase and a plasticizer, imide lithium salt is used as a lithium ion source, fluorinated COF containing ether oxygen bonds and olefinic bonds is introduced, and the electrolyte has high ionic conductivity, high lithium ion transference number, excellent mechanical property and interface stability; the method is especially suitable for a high-safety lithium metal battery system.

The invention belongs to the technical field of oil exploitation, and relates to a drag reducer for fracturing and a preparation method thereof. The preparation method comprises the following steps: adding 1, 5-hexadiene-3, 4-diol and a catalyst into a high-pressure reactor, raising the temperature, introducing ethylene oxide, raising the temperature, carrying out a heat preservation reaction, stopping heating, and cooling to 50 DEG C or below; adjusting the pH value to 2-3 by using phosphoric acid, adding sulfamic acid, heating, preserving heat and reacting, and cooling to below 40 DEG C; the preparation method comprises the following steps: adding deionized water, 2-(trifluoromethyl) acrylic acid and methacryloylethyl sulphobetaine, stirring and dissolving, adjusting the pH value to 7-8, adding an initiator, heating and carrying out a heat preservation reaction to obtain a viscous liquid; and settling, centrifuging, cleaning and drying to obtain the product drag reducer. The drag reducer has the characteristics of high viscosity and high drag reduction rate.

The invention relates to the technical field of electrolyte, in particular to a thioether cross-linked solid polymer electrolyte membrane as well as a preparation method and application thereof. The preparation method comprises the following steps: taking N, N-dimethylformamide, respectively adding 3, 6-dioxa-1, 8-octane dithiol and triglycidyl isocyanurate, and uniformly stirring to obtain a mixed solution; adding bis (trifluoromethylsulfonyl) imide lithium into the mixed solution, putting magnetons on a magnetic stirrer, and completely dissolving the magnetons to obtain a precursor solution; and pouring a proper amount of the precursor solution into a polytetrafluoroethylene mold, spreading, and carrying out cross-linking polymerization in a blast oven to form the film. The three-dimensional thioether cross-linked network structure has a large number of weakly coordinated thioether groups, dissociation of lithium salt can be promoted, a large number of free Li < + > is generated, the number of Li < + > is increased, meanwhile, the crystallinity of a polymer is remarkably reduced, the ionic conductivity is improved, the mechanical stability of a film can be improved, and the service life of a battery is effectively prolonged.

The invention discloses a near-infrared two-region aggregation-induced emission probe, nanoparticles, a preparation method and application, and relates to the technical field of fluorescent molecular probes. The structural formula of the near-infrared two-region aggregation-induced emission probe is shown in the specification, wherein X1, X2 and Y are respectively and independently selected from one of O, S, Se and Te; r1, R2 and R3 are respectively and independently selected from one of H, F, cyano, trifluoromethyl and saturated alkane. The probe provided by the invention has relatively high luminous efficiency, photo-thermal efficiency and active oxygen generation capability in an aggregation state, and can realize fluorescence, photo-acoustic and photo-thermal multi-mode imaging and photo-thermal / photodynamic synergistic treatment.

The invention discloses a lithium-manganese-rich high-rate-performance electrolyte and a preparation method and application thereof. The lithium-manganese-rich high-rate-performance electrolyte comprises a lithium salt, an organic solvent and an additive, the additive is 2, 3-bis (trifluoromethyl) propynyl sulfate. According to the electrolyte disclosed by the invention, a compact and uniform CEI film is formed on the surface of a positive electrode, electrolyte oxidation and metal ion dissolution are inhibited, the cycle stability of the battery is improved, the overall oxidation resistance is improved, three-dimensional positive and negative electrode film layers are formed during film forming, and the mechanical strength is improved; the first discharge efficiency and discharge capacity of the lithium ion battery can be obviously improved, the high-temperature cycle performance is also obviously improved, side reactions are prevented, dissolution of transition metal ions is inhibited, and the cycle stability is improved. According to the invention, the growth of lithium dendrites can be effectively inhibited, the battery safety is improved, the electrolyte impedance is reduced, the battery rate and high-low temperature performance are improved, the side reaction with the electrolyte is reduced, the dissolution of transition metal ions at the positive electrode side is inhibited, the gas production rate of the system is reduced, and the cycle life is prolonged.

The application belongs to the field of fine chemical industry and environmental protection, and particularly relates to a method for preparing metal triflate by using high gravity reaction. The method comprises the following steps: 1, using trifluoromethylsulfonyl chloride and anhydrous HF gas as raw materials to generate trifluoromethylsulfonyl fluoride gas; 2, performing gas-liquid contact reaction of the trifluoromethylsulfonyl fluoride gas with an alkali metal solution to obtain a mixed solution; 3, performing solid-liquid separation on the mixed solution by using a filter press, and the liquid phase is a triflate salt solution; 4, drying the triflate salt solution by using a spray dryer to obtain a solid-phase product triflate salt. The method uses trifluoromethylsulfonyl chloride and anhydrous HF as raw materials to replace triflic acid in the traditional method, and utilizes high gravity reaction, so that the production cost is greatly reduced. The process is simple, the obtained product triflate metal salt has low impurity content, is superior to the industry standard, the process is zero emission, and has good economic value and social value.

The invention discloses a perovskite solar cell device and a preparation method, and belongs to the technical field of perovskite solar cell preparation, and the perovskite solar cell device comprises a first electrode layer, an electron transport layer, a perovskite light absorption layer, a hole transport layer and a second electrode layer from top to bottom in sequence, a passivation layer is arranged between the electron transport layer and the perovskite light absorption layer; the passivation layer is made of a diphenylamine passivator; the chemical structural formula of the diphenylamine passivator is shown in the specification, and in the formula, R1-R10 are respectively and independently selected from one of hydrogen, C1-C6 alkyl, carboxyl, cyano, trifluoromethyl, halogen, phosphonic acid group, C1-C6 alkyl thioether group and (CF3) 3-C-; at least five substituent groups in R1-R10 are hydrogen at the same time. By adopting the diphenylamine passivator, the stability and efficiency of the perovskite solar cell device are effectively improved. .

The invention relates to a lithium manganese iron phosphate (LFMP) electrode material, an LFMP-solid electrolyte positive plate with a gradient structure design, a preparation method of the LFMP-solid electrolyte positive plate and an all-solid-state battery. The lithium manganese iron phosphate (LFMP) electrode material comprises a lithium manganese iron phosphate material, a composite binder and a solid electrolyte, the lithium manganese iron phosphate material comprises lithium manganese iron phosphate particles and a coating layer located on at least part of the surface of the lithium manganese iron phosphate, and the coating layer comprises lithium phosphate (Li3PO4); the composite binder comprises a polymer matrix and a conductive agent, the polymer matrix comprises polytetrafluoroethylene and a PEO / LiTFSI compound, and the PEO / LiTFSI compound is a compound composed of polyethylene oxide and lithium bis (trifluoromethylsulfonyl) imide. According to an electrode plate containing the lithium manganese iron phosphate (LFMP) electrode material, migration or dissolution of manganese ions is not prone to occurring in the charge-discharge cycle process, and the service life of a battery can be prolonged.

The invention relates to a preparation method of hexafluoroisobutene, which comprises the following steps: in a protective atmosphere, mixing 3, 3, 3-trifluoro-2-(trifluoromethyl) propionic acid, 2, 2-dimethyl propionic acid, tetramethylammonium tetrafluoroborate and a solvent, reacting under a current condition, and purifying to obtain the hexafluoroisobutene. The preparation method is simple in process route and mild in reaction condition, metal ions are not introduced in the preparation process, and pollution is reduced; and the method is short in reaction time, environment-friendly and suitable for large-scale production.

Salts of benzimidazolyl pyridyl ethers are provided, particularly salts of {1-methyl-5-[2(5-trffluoromethyl-1H-imidazol-2-yl)-pyridin-4yloxy]-iH-benzoimidazol-2-yl}-(4-trifluoromethyl-phenyljamine. Composition and formulation including such salt and surfactant , as well,as method of preparing such composition and formulation are provided.

The application discloses a preparation method of perfluoroalkyl aryl sulfide, and a structural formula of the perfluoroalkyl aryl sulfide is shown as formula (I); the method comprises the following steps: firstly, obtaining corresponding aryl sulphenyl chloride by chlorination of thiophenol; under the condition that fluoride and crown ether exist, obtaining perfluoro-1,1-dimethylbutyl negative ion by addition of D-2 ‑ And the aryl sulphenyl chloride added is subjected to a nucleophilic substitution reaction to synthesize a product (1,1,1,3,3,4,4,5,5,5-decafluoro-2-trifluoromethylpent-2-yl)(aryl)sulfide. The application adopts a reaction strategy of efficient coupling of thiophenol and perfluoroalkyl, and can be used for preparing various fluorine-containing benzene sulfide compounds.

The present invention relates to fungicidal compositions comprising as component 1) the compound (I) methyl (2Z)-3-methoxy-2-[(4-methylbiphenyl-3-yl)oxy]prop-2-enoate) and as active component 2) the compound (II) N-(2-fluorophenyl)-4-[5-(trifluoromethyl)-1,2,4-oxadiazol-3- yl]benzamide wherein the weight ratio of compound (I) to compound (II) is from 10:1 to 1:10.

The application provides a synthesis process of metrafenone, in which inorganic alkali KOH is used as a catalyst, a key intermediate 4-(((5,5-dimethyl-dihydroisoxazole-4-yl)thio)methyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol can be obtained at low production cost and high yield, metrafenone is prepared through substitution reaction and oxidation reaction, the reaction yield is high, raw materials are simple and easy to obtain, three-waste emissions are small, and the process is beneficial to industrial mass production.

The invention provides a purification method of a naphthalimide high-purity electronic-grade photoacid generator. The method solves the problem that photo-acid cannot be purified by traditional recrystallization or directly through ion exchange columns and other methods. The method comprises the following steps: firstly synthesizing and preparing 1, 3-diketone-2-hydroxy-6-(1-hexyne) benzisoquinoline, then reacting with triethylamine and trifluoromethylsulfonyl chloride to generate a crude product 1, 3-diketone-2-(1, 1, 1-trifluoromethyl) methanesulfonic ester-6-(1-hexyne) benzisoquinoline, removing impurities from normal hexane to obtain a pure product, sublimating the material into a gas phase by using a quartz vacuum sublimation instrument, and purifying to obtain the 1, 3-diketone-2-(1, 1, 1-trifluoromethyl) methanesulfonic ester-6-(1-hexyne) benzisoquinoline. And then passing through Pure MTS9500 amino phosphonic acid type chelating resin, and finally cooling in a quartz tube to obtain the high-purity electronic-grade photoacid generator. According to the invention, the stability is high, the metal ion content is low, the purification process is convenient to process, the product is used as a photoresist-level core main material, the product is widely applied in the fields of semiconductor photoresist, other imaging systems, photocureable coatings and the like, the market scale is continuously expanded, and the product is an indispensable key material in semiconductor manufacturing and other related fields.

The invention belongs to the technical field of chemical synthesis, and particularly relates to a preparation method of 4, 4 '-[oxygen bis (methylene)] bis [5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole]. The invention provides a preparation method of 4, 4 '-(oxybis (methylene)) bis (5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole, which comprises the following steps: dissolving a compound shown in a formula IV and a compound shown in a formula V in a solvent, adding alkali, carrying out coupling reaction to obtain a reaction solution, and carrying out post-treatment to obtain a compound shown in a formula VI, namely 4, 4'-(oxybis (methylene)) bis (5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole. The compound is 4, 4 '-(oxybis (methylene)) bis (5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole). The preparation method disclosed by the invention is simple and easy to implement, mild in condition, high in safety, suitable for preparing reference substances in laboratories, and beneficial to product quality control and production process development.

The invention discloses a preparation method of an arfamarana key intermediate, which comprises the following steps: carrying out nucleophilic addition reaction on a compound I and 1-[3-chloro-5-(trifluoromethyl) phenyl]-2, 2, 2-trifluoroethanone under the action of an organic solvent A and alkali to obtain a compound II; dissolving the compound II in an organic solvent B, adding concentrated sulfuric acid, carrying out intramolecular dehydration and cyanogen hydrolysis, and after the reaction is finished, cooling to room temperature for crystal growing to obtain a compound III; dissolving the compound III in an organic solvent C, carrying out intramolecular cyclization and ester hydrolysis reaction on the compound III and hydroxylamine hydrochloride under the action of a certain amount of sodium hydroxide aqueous solution, and after the reaction is finished, collecting a water phase and adjusting the pH value of the water phase, so as to obtain the key intermediate of arfampanaga. The reaction in each step has a high conversion rate, the purity of the prepared arfamarin intermediate is high, and powerful support and guarantee are provided for preparation of high-purity arfamarin.

This invention relates to a trifluoromethyl-substituted pyrene-phenylacetonitrile derivative, its preparation method, and its application. A trifluoromethyl-substituted pyrene-phenylacetonitrile derivative has the structural formula: [formula omitted]. The preparation method involves dissolving 1-pyrene formaldehyde, the corresponding trifluoromethylphenylacetonitrile, and an alkaline catalyst in an organic solvent, and carrying out a Knoevenagel condensation reaction under heating conditions. The reaction product is then post-treated to obtain the pyrene-phenylacetonitrile derivative. The application of a trifluoromethyl-substituted pyrene-phenylacetonitrile derivative in electrical storage devices is also discussed. This invention achieves precise control of storage performance by introducing trifluoromethyl groups at different positions on the benzene ring of the pyrene-phenylacetonitrile backbone, providing a novel design approach for developing new multi-level electrical storage materials. The synthesis route is concise and has broad application prospects in the field of high-density non-volatile memory.

This invention provides a method for preparing high-purity imidazole ionic liquids, comprising the following steps: S1: 1-Ethyl-3-methylimidazolium chloride, sodium trifluoromethanesulfonate or sodium bis(trifluoromethanesulfonyl)imide, and glycerol solvent are added sequentially to a reactor, followed by stirring and reaction; S2: After the reaction is completed, stirring is turned off, and the resulting crude 1-ethyl-3-methylimidazolium ionic liquid and glycerol mixture are filtered and collected in a separator, with sodium chloride retained in the reactor and subsequently discharged; S3: Pure water is added to the separator, and the separator is stirred for a certain period of time before settling and separation; S4: The two phases in the separator are separated by a separator and then enter their respective purification devices; S5: The crude 1-ethyl-3-methylimidazolium ionic liquid is dehydrated by vacuum distillation to obtain the product; S6: The water and glycerol mixture is distilled under reduced pressure to obtain a reusable aqueous phase and a glycerol phase. This invention yields a product with a purity of over 99.5%; the solvents glycerol and water are reused after distillation. This method is simple, has a yield of over 94%, and is easy to implement in large-scale production.

This invention provides a method for preparing and applying a highly insecticidal diamide compound, relating to the chemical and pesticide fields. The method includes: reacting 2-fluoro-3-nitrobenzoic acid with thionyl chloride (a chlorinating agent) and dimethylformamide (a catalyst) to obtain compound A; condensing compound A with 2-trifluoromethyl-4-heptafluoroisopropyl-6-bromoaniline amide to obtain compound B; reducing compound B to obtain compound C; and, during the reaction under a hydrogen atmosphere, determining the reaction temperature and hydrogen flow rate in each hydrogenation reaction zone based on the concentration of compound B; reacting compound C with paraformaldehyde to obtain compound D; chlorinating 3-chloro-4-fluorobenzoic acid with thionyl chloride (a chlorinating agent) and dimethylformamide (a catalyst) to obtain compound E; and amide condensing compound E with compound D to obtain the novel diamide compound of this invention. The diamide compound of this invention exhibits excellent insecticidal effects when used in pesticide compositions.

The application discloses a synthesis method of afugan, which comprises the following steps: 1-[3-chloro-5-(trifluoromethyl)phenyl]-2,2,2-trifluoroacetone and 4-acetylnaphthalene carboxylic acid are added into a solvent, a base is added, DMAP is added after complete reaction at 50-80 DEG C, acetic anhydride is added dropwise, tetrabutylammonium bromide is added after complete reaction, and an aqueous solution of sodium hydroxide and hydroxylamine hydrochloride is added, and reaction is carried out at 0-5 DEG C, so that an intermediate is obtained; the intermediate is reacted with acyl chloride under the action of DMF and dichloromethane, so that 4-(5-(3-chloro-5-(trifluoromethyl)phenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazole-3-yl)-1-naphthalene carboxylic chloride is prepared; 2-amino-N-(2,2,2-trifluoroethyl)acetamide hydrochloride and a dichloromethane solution of a base are added dropwise, and reaction is carried out at 0-5 DEG C, so that afugan is obtained. The method has a short route, high yield and suitability for large-scale industrial production.

The invention belongs to the technical field of a lithium battery solid electrolyte, and particularly provides a cross-linked PEO-based composite solid electrolyte and a preparation method thereof, which are used for improving the mechanical strength and electrochemical performance of the PEO-based solid electrolyte. The cross-linked PEO-based composite solid electrolyte comprises poly (ethylene oxide) (PEO), lithium bis (trifluoromethylsulfonyl) imide (LiTFSI) and bis (acetylacetonate) diisopropyl titanate, the bis (acetylacetonate) diisopropyl titanate is used as a cross-linking agent, and the mass of the poly (ethylene oxide) (PEO) is used as a reference, so that the mass of the poly (ethylene oxide) (PEO) and the mass of the lithium bis (trifluoromethylsulfonyl) imide (LiTFSI) are uniformly distributed, and the mass of the lithium bis (trifluoromethylsulfonyl) imide (LiTFSI) is uniformly distributed on the basis of the mass of the poly (ethylene oxide) (PEO). The content of the bis (acetylacetonate) diisopropyl titanate is 3 to 5 weight percent of that of the polyethylene oxide. According to the invention, bis (acetylacetonate) diisopropyl titanate (TAA) is creatively provided as a cross-linking agent of the PEO-based composite solid electrolyte, and the introduction of the cross-linking agent can significantly increase the mechanical strength of PEO and increase the stability of the PEO-based solid electrolyte to lithium metal, so that the cycle life is prolonged, and the electrochemical performance is improved.

The present application relates to a kind of preparation method of trifluoromethyl pyrazole compound, belong to the technical field of organic synthesis.The specific method is: (1) trifluoroacetyl ethyl acetate is first with hydrazine hydrate cyclization reaction and generates compound of formula III;(2) under the catalysis of base, compound of formula III is reacted with difluoromethylation reagent and generates compound of formula II;(3) compound of formula II is reacted with methylating agent and obtains compound of formula I;The difluoromethylation reagent is difluoro-monochloromethane or sodium difluoro-monochloroacetate;The methylating agent is chloromethane, bromomethane, iodomethane, dimethyl sulfate or dimethyl carbonate.The present application is prepared by changing reaction route, and the higher-priced raw material methylhydrazine is replaced, and isomer impurity is no longer generated in the product prepared.Not only raw material cost is reduced, but also the purity of product is improved.

The invention provides a preparation method of fluoride ether bacteria amide, which comprises the following steps: dissolving pentafluorobenzonitrile in a solvent, dropwise adding a sodium methoxide solution at-10-30 DEG C for 2-15 hours, continuing to carry out heat preservation reaction for 0.5-2 hours after dropwise adding, and carrying out post-treatment to obtain 2, 3, 5, 6-tetrafluoro-4-methoxybenzonitrile; the preparation method comprises the following steps: jointly dissolving 2, 3, 5, 6-tetrafluoro-4-methoxybenzonitrile, 3-chloro-5-(trifluoromethyl) pyridine-2-yl) methanol and a catalyst acid in a solvent, reacting at 50-110 DEG C for 5-32 hours, and performing post-treatment on the obtained reaction liquid to obtain fluoride ether bacteria amide, according to the method, sodium methoxide and pentafluorobenzonitrile which are low in price and easy to obtain are subjected to etherification reaction, thionyl chloride and bis (trichloromethyl) carbonate are not used, the green chemical principle is met, and the method has the advantages of being short in step, safe and easy to operate and the like, so that the method has high implementation value and practical production applicability.

This invention relates to a compound containing trifluoromethyloxadiazole and a spirocyclic structure, or a pesticide-acceptable salt, hydrate, or solvate thereof, characterized in that the structure of the compound containing trifluoromethyloxadiazole and a spirocyclic structure is shown in general formula I. Compared with the prior art, the compound provided by this invention can be used to prepare histone deacetylase inhibitors, effectively inhibiting the growth and reproduction of various rust fungal spores, with effects comparable to fluopyram.

This disclosure relates to N 2 -(3-(2-(2H-1,2,3-triazol-2-yl)propan-2-yl)-1-cyclopropyl-1H-pyrazol-5-yl)-N 4 The present invention relates to crystalline and amorphous forms of -ethyl-5-(trifluoromethyl)pyrimidine-2,4-diamine (compound of formula I), co-crystals, pharmaceutical compositions, and preparations thereof. TIFF2026504627000045.tif4857

The invention relates to the field of pesticides, and discloses a compound and a preparation method thereof, an intermediate and a preparation method thereof, and a preparation method of 4-trifluoromethyl nicotinic acid, the structural formula of the compound is shown in the specification, and the compound disclosed by the invention is low in preparation cost and easy to separate and purify, and has industrial production potential.