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1620 results about "Sulfonyl" patented technology

A sulfonyl group can refer either to a functional group found primarily in sulfones or to a substituent obtained from a sulfonic acid by the removal of the hydroxyl group similarly to acyl groups. Sulfonyl groups can be written as having the general formula R−S(=O)₂−R′, where there are two double bonds between the sulfur and oxygen.

Mesotrione nitroreductase Mstnr as well as coding gene and application thereof

The invention belongs to the field of agricultural biotechnology and environmental microbiological engineering, and discloses mesotrione nitroreductase Mstnr as well as a coding gene and application thereof. The nucleotide sequence of the gene is SEQ ID NO.1, the full length is 678bp, 225 amino acids are encoded, and the amino acid sequence of the gene is SEQ ID NO.2. The highest homology of the Mtnr and reported nitroreductase is only 49.2%, so that the Mtnr is a new nitroreductase gene. The nitroreductase Mtnr provided by the invention can catalyze nitro reduction of mesotrione and convert mesotrione into a product 2-amino-4-methylsulfonylbenzoic acid (AMBA) without herbicidal activity, which indicates that the Mtnr gene has a huge application prospect in biodegradation detoxification and repair of mesotrione.
Owner:NANJING AGRICULTURAL UNIVERSITY

Non-aqueous electrolyte and batteries containing the same

A non-aqueous electrolyte for a lithium-ion cell includes a base electrolyte consisting of lithium hexafluorophosphate or lithium bis(fluorosulfonyl)imide or a combination thereof in methyl propionate; about 2 to about 15 parts by weight, preferably about 6 to about 15 parts by weight of vinylene carbonate; and about 0.5 to about 5 parts by weight, preferably about 2 to about 5 parts by weight of an additive comprising lithium difluorophosphate, lithium difluoro(oxalate)borate, lithium bis(oxalate)borate, or a combination thereof, wherein the content of the vinylene carbonate and the additive are each based on a total weight of the base electrolyte, the vinylene carbonate, and the additives.
Owner:EAGLEPICHER TECHNOLOGIES LLC

Fine circuit pattern anti-diffusion agent as well as preparation method and use method thereof

The invention discloses a fine circuit pattern anti-diffusion agent as well as a preparation method and a use method thereof, and relates to the technical field of printed circuit board manufacturing. The fine circuit pattern anti-diffusion agent is prepared from the following components in percentage by mass: 0.05 to 0.3 percent of an oleophobic agent, 0.1 to 0.6 percent of a bonding agent, 0.2 to 1.5 percent of an adhesion promoter, 0.5 to 4.0 percent of a wetting agent, 0.5 to 5.0 percent of a cosolvent and the balance of water, the oleophobic agent is a fluorophenylethylamine derivative, the bonding agent is a carbonyl chloride derivative, the adhesion promoter is a sulfur heterocyclic alkane derivative, the wetting agent is a methylsiloxane silane derivative, and the cosolvent is a sulfonyl ketone derivative. According to the fine circuit pattern anti-diffusion agent, an organic layer can be formed on the copper surface of a circuit board, the binding force between the copper surface and printing ink is enhanced, jet printing printing ink is prevented from diffusing on the copper surface, and the product percent of pass of a jet printing solder mask process is improved.
Owner:SHENZHEN BANMING SCI & TECH CO LTD

Mesotrione nitroreductase Mtnr, and coding gene and application thereof

The invention belongs to the field of agricultural biotechnology and environmental microbiological engineering, and discloses mesotrione nitroreductase Mtnr as well as a coding gene and application thereof. The nucleotide sequence of the gene is SEQ ID NO.1, the full length is 756bp, 251 amino acids are encoded, and the amino acid sequence is SEQ ID NO.2. The maximum homology of the Mstnr and reported nitroreductase is only 50.6%, so that the Mstnr is a new nitroreductase gene. The nitroreductase Mstnr provided by the invention can catalyze nitro reduction of mesotrione, and the mesotrione is converted into a product 2-amino-4-methylsulfonyl benzoic acid (AMBA) without herbicidal activity, so that the Mstnr gene has a huge application prospect in biodegradation detoxification and repair of the mesotrione.
Owner:NANJING AGRICULTURAL UNIVERSITY

Electrolyte including electrolyte solvent, fluoroether, and bis(fluorosulfonyl) imide salt, and lithium metal electrochemical cells including the same

Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt % and about 42 wt % of an electrolyte solvent, between about 13 wt % and about 59 wt % of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt % and about 39 wt % of the composition. In some embodiments, the fluoroether can make up between about 18 wt % and about 36 wt % of the composition. In some embodiments, the composition can include between about 0.5 wt % and about 1.5 wt % of a first additive. In some embodiments, the composition can include between about 0.5 wt % and about 5 wt % of a second additive.
Owner:24M TECHNOLOGIES INC

Battery cell, battery device and electric device

The invention relates to a battery monomer, a battery device and a power utilization device, the battery monomer comprises an electrode assembly and an electrolyte, the electrode assembly comprises a positive pole piece, the positive pole piece comprises a positive active material layer, and the positive active material layer comprises lithium-containing phosphate of an olivine structure; the electrolyte comprises, by mass, 8-30% of a carboxylic ester solvent, a lithium salt and an unsaturated ester additive, the lithium salt comprises lithium hexafluorophosphate and fluorine-containing lithium sulfimide, the mass content of the fluorine-containing lithium sulfimide in the lithium salt is 18-45%, the mass content of the unsaturated ester additive in the electrolyte is 0.05-5%, and the mass content of the unsaturated ester additive in the electrolyte is 0.05-5%. The unsaturated ester additive comprises one or more of vinylene carbonate, vinylethylene carbonate, allyl ethyl carbonate and a fluoro-carbonate additive; the amount of electrolyte in the battery cell is 2.8 g / Ah to 3.2 g / Ah. According to the invention, rapid charging and use reliability of the single battery can be considered.
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Method for preparing lithium bis(fluorosulfonyl)imide

The present invention relates to a process for preparing lithium bis(fluorosulfonyl)imide, comprising the following steps of: contacting of bis(fluorosulfonyl)imide with a lithium base in a solvent selected from carbonates, ethers and nitriles, to obtain a mixture comprising lithium bis(fluorosulfonyl)imide and water; diafiltration of the mixture on a nanofiltration membrane so as to obtain, firstly, a concentrate enriched in lithium bis(fluorosulfonyl)imide and depleted in water and, secondly, a permeate depleted in lithium bis(fluorosulfonyl)imide and enriched in water. The present invention also relates to a process for preparing an Li-ion battery electrolyte.
Owner:ARKEMA FRANCE SA

Preparation method of Janus material for simultaneous screening of protein phosphorylation and palmitoylation modification

The invention provides a preparation method of a Janus material for simultaneous screening of protein phosphorylation and palmitoylation modification, and belongs to the technical field of magnetic material synthesis. The method comprises the following steps: firstly, preparing MCeO2; the preparation method comprises the following steps: mixing MCeO2, hexadecyl trimethyl ammonium bromide and ammonia water to obtain a mixed solution, adding 1, 2-bis (triethoxysilane) ethane into the mixed solution for reaction to obtain a product, and dispersing the product into an NH4NO3 solution for reflux reaction to obtain Janus MCP; the preparation method comprises the following steps: reacting Janus MCP with a silane coupling agent, dissolving aminated Janus MCP and 4-ethylene sulfonyl benzoic acid in a buffer solution containing EDC and NHS, and reacting to obtain the Janus material. The preparation method is reliable, the material performance is stable, and the enrichment efficiency of the magnetic Janus on target peptide fragments (phosphorylated peptide fragments and palmitoylated peptide fragments) is remarkably improved.
Owner:JILIN UNIVERSITY

Novel derivatives of quinolinones, and compositions and methods thereof

PCT designated stage expiredWO2025085233A1Organic chemistryHeterocyclic compound active ingredientsDiseaseWerner syndrome
The invention provides novel cyclic sulfonyl and sulfoximinyl derivatives of quinolinones that inhibit Werner Syndrome ATP dependent helicase enzyme (WRN) activity. The invention also provides pharmaceutical compositions comprising compounds of the invention and methods thereof for treating various diseases and disorders associated with or related to WRN activity, such as various types of cancer.
Owner:ENSEM THERAPEUTICS INC

Method for preparing On-DNA sulfinic acid structure compound and application of On-DNA sulfinic acid structure compound

The invention belongs to the field of preparation of medical intermediates, and particularly relates to a preparation method of an On-DNA sulfinic acid structure compound. The method for preparing the On-DNA sulfinic acid structure compound comprises a step of oxidizing On-DNA thiol (phenol) into the On-DNA sulfinic acid structure compound under alkaline and heating or illumination conditions, a solvent used in the reaction step is a mixed solution of water, dimethyl sulfoxide, N, N-dimethylformamide, acetonitrile, ethanol or tetrahydrofuran, the reaction temperature is not more than 80 DEG C, and the reaction time is not more than 2 hours. And the illumination wavelength ranges from 365 nanometers to 535 nanometers. The On-DNA sulfinic acid structure compound obtained in the invention can be directly used for constructing a structure compound with a sulfonyl group, the reaction condition is mild and convenient, a new method and a new idea are provided for construction of a DNA coding compound library, and the On-DNA sulfinic acid structure compound has a very good application prospect in lead drug development.
Owner:PHARMARON NINGBO CO LTD +1

Thiophene sulfonyl carbamates as AT2R agonists

The invention provides a compound shown in the following structure, or a tautomer, a stereoisomer, a hydrate, a solvate, a pharmaceutically acceptable salt or a prodrug thereof. These compounds useful as agonists of AT2R, # imgabs0
Owner:WUHAN HUMANWELL INNOVATIVE DRUG RES & DEV CENT LTD CO +1

Additive for non-aqueous electrolyte solution, non-aqueous electrolyte solution, and electricity storage device

Disclosed is an additive for a non-aqueous electrolyte solution, which contains a cyclic sulfone compound represented by formula (1). X1 represents a sulfonyl group or a carbonyl group, and Z represents a monovalent group represented by formula (21), (22), (23) or (24). # imgabs0 #
Owner:SUMITOMO SEIKA CHEM CO LTD

Halogen-free electrolyte for magnesium metal battery and preparation method of halogen-free electrolyte

ActiveCN119627222AReduce deposition-dissolved overpotentialextend your lifeSecondary cellsElectrolytesElectrolytic agentMagnesium salt
The invention relates to the field of battery materials, in particular to a halogen-free electrolyte for a magnesium metal battery and a preparation method of the halogen-free electrolyte. The magnesium salt comprises at least one of bis (trifluoromethanesulfonyl) imide magnesium and magnesium trifluoromethanesulfonate; the additive is prepared from at least one of indole, 3-azaindole, 4-azaindole, 5-azaindole, 6-azaindole, 4-amino indole, 5-amino indole, 6-amino indole and 7-amino indole; the organic solvent comprises ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, triethylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, 1, 3-dioxolame or 1, 3-dioxane. The preparation method comprises the following steps: sequentially adding the magnesium salt and the additive into the organic solvent, and stirring and reacting at room temperature for 1 min to 24 h to obtain the halogen-free electrolyte for the magnesium metal battery. And the prepared electrolyte has excellent performances of small overpotential, long service life and wide electrochemical window, and has a good commercial application prospect.
Owner:CHONGQING UNIV +1

Zinc pole piece coated with sulfonyl COF membrane, preparation method of zinc pole piece and aqueous zinc battery

The invention relates to the technical field of battery electrodes, in particular to a zinc pole piece coated with a sulfonic COF membrane, a preparation method of the zinc pole piece and an aqueous zinc battery, and the preparation method comprises the following steps: dissolving 2, 4, 6-triformyl phloroglucinol and p-phenylenediamine-2, 5-disulfonic acid in an organic solvent to obtain a mixed solution; and putting the zinc foil into the mixed solution, carrying out sealed standing at normal temperature, taking out the zinc foil coated with the sulfonic group COF film, and washing and drying the zinc foil to obtain the zinc pole piece coated with the sulfonic group COF film. The prepared zinc pole piece coated with the sulfonic COF film has good corrosion resistance and dendritic crystal inhibition capacity, and when the zinc pole piece is used as a negative electrode of a water-based zinc battery, the cycle performance of the water-based zinc battery can be improved, and the cycle life of the water-based zinc battery can be prolonged; the problems that a zinc negative electrode of an existing water-based zinc battery is prone to generating dendritic crystal and corrosion passivation side reactions in the battery circulation process, so that the use performance of the water-based zinc battery is reduced, and the service life is greatly shortened are solved.
Owner:NAVAL UNIV OF ENG PLA

Modified mesoporous silica adsorbent as well as preparation method and application thereof

The invention discloses a modified mesoporous silica adsorbent as well as a preparation method and application thereof, and relates to the technical field of porous material preparation. The preparation method of the modified mesoporous silica adsorbent provided by the invention comprises the following steps: hydrolyzing a silicon source in a solution containing a template agent to form a preliminary framework of silica, then adding a silane coupling agent containing at least one of sulfydryl, sulfonyl and amino, carrying out a hydrothermal reaction at 60-120 DEG C, and removing the template agent to obtain the modified mesoporous silica adsorbent. The modified mesoporous silica adsorbent capable of selectively adsorbing zirconium and hafnium can be obtained. The modified mesoporous silica adsorbent prepared by the method is used for adsorbing and enriching zirconium and hafnium ions, the adsorption capacities of 6.23 mg / g and 5.95 mg / g or above can be obtained respectively, the adsorption capacity is excellent, and the adsorbent can reach adsorption equilibrium within 10 min and is excellent in adsorption rate.
Owner:GANJIANG INNOVATION ACAD CHINESE ACAD OF SCI

In-situ curing gel structure electrolyte and preparation method and application thereof

The invention relates to an in-situ curing gel structure electrolyte as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing a resin matrix with a pore-forming agent, then adding a curing agent for mixing to obtain a mixed solution, and pouring the mixed solution into a closed mold for curing to obtain a resin film; soaking and drying the resin film to obtain porous resin; and (2) mixing 4-styrene sulfonyl (phenylsulfonyl) imide lithium salt, polyethylene glycol methyl ether acrylate, polyethylene glycol dimethacrylate, ethylene carbonate and azodiisobutyronitrile to prepare a mixed solution, and soaking the porous resin in the mixed solution to react and cure, thereby obtaining the in-situ curing gel structure electrolyte. The preparation method is simple, and the prepared in-situ curing gel structure electrolyte can improve the mechanical property, the battery capacity and the cycle performance of the in-situ curing gel structure electrolyte.
Owner:BEIJING INST OF TECH

Preparation method for effectively reducing defects of perovskite solar cell body

The invention discloses a preparation method for effectively reducing defects of a perovskite solar cell body. A 4-fluorobenzenesulfonamide additive is introduced into a perovskite precursor solution, a sulfonyl group, a fluorine group and the like are coordinated with lead in perovskite, the crystallization process of the film is regulated and controlled, nucleation and crystal growth of an organic lead halide perovskite light absorption layer are effectively controlled, meanwhile, non-radiative recombination is inhibited, charge transfer is promoted, and the photoelectric conversion efficiency is improved. The photoelectric conversion efficiency is obviously improved, the cost is reduced and the repeatability is good. The additive is introduced by a solution method, the process is simple and the cost is low. Experimental results show that after the 4-fluorobenzenesulfonamide additive is used, the trap state density of a perovskite layer is reduced from 4.45 * 10 < 15 > cm <-3 > to 3.26 * 10 < 15 > cm <-3 >, and the photoelectric conversion efficiency of a perovskite cell is improved from 22.20% to 24.15%. The invention provides an efficient and low-cost solution for defect passivation of the perovskite solar cell.
Owner:NANKAI UNIV

Alkali-soluble light-cured resin, preparation method thereof and light-cured resin composition

The invention relates to alkali-soluble light-cured resin and a preparation method thereof, a light-cured resin composition, a photosensitive dry film and a semiconductor device. The structural formula of the alkali-soluble light-cured resin is shown as a formula (I) or a formula (II), wherein in the formula (I), R1 is selected from one of a single bond, an oxygen atom, a sulfonyl group and an organic group with 1-30 carbon atoms; in the formula (I) and the formula (II), n is a natural number greater than or equal to 0; r2 is selected from organic groups with 1-50 carbon atoms; r3 is selected from an aromatic organic group or an aliphatic organic group; r4 is selected from organic groups containing unsaturated carbon-carbon double bonds; and R5 is selected from carboxyl-containing organic groups. A molecular chain of the alkali-soluble light-cured resin contains a photosensitive group, an imide structure and an alkali-soluble group, on one hand, the thermal mechanical property of the alkali-soluble light-cured resin can be enhanced, and on the other hand, the alkali-soluble light-cured resin can form a uniform and stable resin glue solution in a solvent, so that the comprehensive performance of the alkali-soluble light-cured resin is improved.
Owner:SHENZHEN SAMCIEN NEW MATERIALS TECHNOLOGY CO LTD

Liquid Electrolytes Comprising Ionic Liquids for Lithium-Metal Battery Modules

Described herein are lithium-metal rechargeable electrochemical cells comprising a lithium-metal negative electrode, a positive electrode, and a liquid electrolyte. The liquid electrolyte comprises a core mixture and a diluent. The diluent comprises a fluorinated ether. The core mixture comprises a set of salts and a set of solvents. The set of solvents comprises a pyrrolidinium-containing ionic liquid and a molecular solvent. The molecular solvent is a non-fluorinated ether, for example including but not limited to 1,2-dimethoxyethane. In some examples, the electrolyte further comprises an electrolyte additive, for example including but not limited to tris(trimethylsilyl)phosphate. In some examples, the set of salts comprises one or more imide-containing lithium salts. In some examples, the set of salts comprises lithium bis(fluorosulfonyl)imide and an additional salt and the mole fraction of lithium bis(fluorosulfonyl)imide in the set of salts is 0.5 or greater.
Owner:CUBERG INC

Thiophene sulfonyl electrolyte additive, electrolyte and lithium ion battery

The invention belongs to the technical field of electrolyte additives, and discloses a thiophenesulfonyl electrolyte additive, an electrolyte and a lithium ion battery, the thiophenesulfonyl electrolyte additive has the following structural formula: # imgabs0 #, in which R1 is selected from F, H or sulfonyl fluoride; r2 is selected from F, H or sulfonyl fluoride; r3 is selected from F, H or sulfonyl fluoride; and R1, R2 and R3 at least comprise one fluorine atom. Through the synergistic effect of the thiophenesulfonyl electrolyte additive and the FEC, the positive and negative electrode film-forming impedance can be effectively improved, the side reaction is inhibited, and the high-temperature and high-voltage cycle performance of the battery is improved.
Owner:安徽得壹能源科技有限公司

Non-aqueous electrolyte and lithium secondary battery

The invention is applied to the technical field of lithium ion batteries, and discloses a non-aqueous electrolyte which comprises the following substances in percentage by weight: 5-20% of electrolyte lithium salt, 70-90% of organic solvent and 2-9% of functional additive, and the functional additive comprises fluorosulfonyl difluoroacetate pentafluorocyclotriphosphazene. Compared with classical ethyoxyl pentafluorocyclotriphosphazene, the fluorosulfonyl difluoroacetate pentafluorocyclotriphosphazene has the advantages that sulfonyl and ester groups are added, a correspondingly formed positive electrode electrolyte interface layer (CEI) rich in inorganic lithium salts such as lithium sulfate and lithium fluoride can stabilize an interface between a positive electrode and an electrolyte under high voltage, impedance rise is inhibited, and the service life of the positive electrode is prolonged. And stable circulation of 5V spinel is realized. By introducing the ester group, the lithium salt solubility of the electrolyte can be improved, the solution viscosity can be reduced, the wetting ability can be improved, and meanwhile, the electrolyte has a good flame-retardant effect. Compared with a control group, the battery containing the fluorine sulfonyl difluoroacetate pentafluorocyclotriphosphazene additive electrolyte has better electrochemical performance.
Owner:SHANGHAI ENTROPYYAN NEW ENERGY TECH CO LTD

Perovskite precursor solution, perovskite solar cell and preparation method

The invention discloses a perovskite precursor solution containing substituted aromatic ring group sulfonic acid, which comprises a perovskite material, an additive and an organic solvent, the additive is aromatic ring group sulfonic acid with a substituent group or a salt thereof, the aromatic ring is a benzene ring, a naphthalene ring or a pyrene ring, and the substituent group is one or more of H, halogen, C1-C4 alkenyl and C1-C4 alkyl. Polycyclic aromatic hydrocarbon (such as benzene, naphthalene and pyrene) is used as a framework, one sulfonic acid group instead of a sulfonyl group is introduced, and uncoordinated type defect passivation is realized through bonding with Pb < 2 + >; meanwhile, the electron push-pull characteristic of the substituent group is utilized, the Lewis acid-base amphoteric property is exerted, passivation of various types of defects is achieved, anchoring and passivation of multiple sites are achieved, the defects of the perovskite active layer can be remarkably reduced, non-radiative recombination can be reduced, and the performance and stability of the prepared perovskite solar cell in the large-scale preparation process are further improved.
Owner:ZJU HANGZHOU GLOBAL SCI & TECH INNOVATION CENT

Passivation method of perovskite layer and preparation method of perovskite solar cell

The invention belongs to the technical field of solar cells, and provides a passivation method of a perovskite layer and a preparation method of a perovskite solar cell. The passivation method comprises the following steps: preparing a perovskite layer by adopting a perovskite precursor solution containing 3-methylsulfonyl propylamine hydrochloride, and carrying out bulk phase passivation on the perovskite layer, the concentration of the 3-methylsulfonyl propylamine hydrochloride in the perovskite precursor solution is 1 to 3 mg / mL; carrying out surface passivation on one surface of the perovskite layer by adopting a surface passivation agent containing 3-methylsulfonyl propylamine hydrochloride; the concentration of the 3-methylsulfonyl propylamine hydrochloride in the surface passivating agent is 1 to 3 mg / mL. According to the passivation method, 3-methylsulfonyl propylamine hydrochloride is introduced as an additive and a surface passivator, deep energy level defects on the bulk phase and the surface of a perovskite layer can be passivated, and a better passivation effect is achieved, so that the stability and the comprehensive performance of the perovskite solar cell can be further improved.
Owner:JOLYWOOD (TAIZHOU) SOLAR TECHNOLOGY CO LTD

Phosphorus compound, method for synthesizing same, and use thereof

The purpose of the present invention to provide: a novel phosphorus compound; a method for synthesizing the compound; a flame retardant containing the compound; and a resin composition containing the compound and a resin component. The purpose of the present invention is to additionally provide: a prepreg using the resin composition; a resin-equipped metal foil; a thermosetting resin film; a metal-clad laminated board; a printed wiring board; and an adhesive. The present invention relates to a phosphorus compound represented by chemical formula (I), a synthesis method, and a use thereof. (In the formula, the R1's are the same or different and represent a hydrogen atom, a C1 to C10 alkyl group, a C2 to C10 alkenyl group, a C2 to C10 alkynyl group, or an aryl group optionally substituted with a C1 to C10 alkyl group or phenyl group; R2 represents a C1 to C10 alkyl group, a C2 to C10 alkenyl group, a C2 to C10 alkynyl group, or an aryl group optionally substituted with a C1 to C10 alkyl group or phenyl group, and when there are a plurality of R2's, the R2's may be the same or different; Y1 represents a phenylene group optionally substituted with a C1 to C10 alkyl group, a naphthylene group, or a group indicated by formula (A); and the n's are the same or different and represent an integer of 0-3.) (In the formula, the R3's are the same or different and represent a hydrogen atom, a C1 to C10 alkyl group, a C2 to C10 alkenyl group, a C2 to C10 alkynyl group, or an aryl group optionally substituted with a C1 to C10 alkyl group or phenyl group; and Y2 represents a single bond, a C1 to C15 alkylene group optionally substituted with a phenyl group, a C5 to C15 cycloalkylene group, a C5 to C15 cycloalkylidene group optionally substituted with a C1 to c10 alkyl group, a phenylene group, an adamantane-1,3-ylene group, an adamantane-2-ylidene group, an oxygen atom, a sulfur atom, a sulfinyl group, a sulfonyl group, or a fluorene-9-ylidene group.)
Owner:SHIKOKU CHEM CORP

Sulfonamidothiazolyl resorcinol derivative and application thereof in preparation of tyrosinase inhibitor and whitening cosmetics

The invention discloses a sulfanilamide thiazolyl resorcinol derivative and application of the sulfanilamide thiazolyl resorcinol derivative in preparation of a tyrosinase inhibitor and whitening cosmetics. The structural formula of the derivative is # imgabs0 #, in the formula, R represents a fat (aromatic) group substituent, and R'represents a hydrogen atom or methyl; the preparation method comprises the following steps: taking 2-chloro-1-(2, 4-dimethoxyphenyl) ethanone as an initial raw material, carrying out cyclization condensation on the 2-chloro-1-(2, 4-dimethoxyphenyl) ethanone and thiourea to obtain 4-(2-amino-1, 3-thiazole-4-yl) benzene-1, 3-dimethanol, carrying out reaction on 2-amino of thiazole and different fat (aromatic) sulfonyl chloride, and then removing methyl to prepare the 4-(2-amino-1, 3-thiazole-4-yl) benzene-1, 3-dimethanol. Pharmacological activity tests show that the compound has good inhibitory activity on tyrosinase, which indicates that the sulfanilamide thiazolyl resorcinol derivative can be researched and utilized as a novel tyrosinase inhibitor and whitening cosmetics.
Owner:NORTHWEST UNIV

Phenol-free, heat-sensitive recording material

PCT designated stage expiredWO2025018318A1Other printing apparatusThermographyArylAcyl group
Disclosed is a phenol-free, heat-sensitive recording material that comprises: (a) a substrate; and in order from a side close to the substrate, (b) an undercoat layer; and (c) a thermal-sensitive layer; wherein the thermal-sensitive layer comprises: a first developer comprising a sulfonamide compound represented by formula (1) below: wherein R1 and R2 may be the same or different, and each independently represents a hydrogen atom, an alkyl group having from 1 to 4 carbons, an alkoxy group having from 1 to 4 carbons, or a halogen atom, one or more second developers comprising at least one phenyl ureide compound represented by formula (2) below: wherein R3 and R4 may be the same or different, and each independently represents a hydrogen atom, a halogen atom, a nitro group, an amino group, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, an alkylcarbonylamino group, an arylcarbonylamino group, an alkylsulfonylamino group, an arylsulfonylamino group, a toluenesulfonyl group, a toluenesulfonyloxyphenyl group, a monoalkylamino group, a dialkylamino group, or an arylamino group, and one or more stabilizers selected from the group consisting of compounds represented by formula (3) and (4) below, and a derivative thereof.
Owner:OJI HLDG CORP