321 results about "Alpha-naphthol" patented technology

The present invention provides a thermo-oxidative aging resistant polyester material and a preparation method thereof, and relates to the technical field of polyester materials, the thermo-oxidative aging resistant polyester material is prepared from the following raw materials by weight: 100 parts of a functional polycondensate, 0.5-1 part of phosphorus pentoxide, 0.3-0.5 part of polyphosphoric acid, 0.8-1.5 parts of an antioxidant, 0.5-0.8 part of a lubricant, 1-3 parts of a coupling agent, 20-30 parts of reinforcing fibers, 1-3 parts of 1, 3, 4-trimethyl-1, 3-pentanediol monoisobutyrate, and 1-3 parts of an antioxidant. 1 to 3 parts of 1, 3, 5-triglycidyl-S-triazinetrione, and 3 to 5 parts of 1-amino-8-naphthol-3, 6-disulfonic acid; the functional polycondensate is prepared from 5-hydroxyisophthalic acid, 2, 3, 5, 6-tetrafluoroterephthalyl alcohol and N, N '-bis (2-hydroxyethyl) piperazine through a condensation polymerization reaction. The material has the advantages of favorable thermo-oxidative aging resistance, favorable mechanical properties, favorable flame retardancy and long service life.

The invention discloses dendrobium candidum glycolipid as well as a preparation method and antioxidant application thereof, the dendrobium candidum glycolipid is diglyceride rich in glucose, mannose, linoleic acid and 9, 12, 15-octadecatrienoic acid, and the content of the mannose, the linoleic acid and the 9, 12, 15-octadecatrienoic acid is more than 1%. The invention also discloses an alcohol extraction process of the dendrobium officinale glycolipid, and application of the dendrobium officinale glycolipid in the aspects of improving abundance of acid-producing bacteroides in intestinal tracts, up-regulating piceatannol expression, down-regulating 1-naphthol expression and enhancing the activity of superoxide dismutase and glutathione peroxidase of organisms, so that the in-vivo oxidation resistance is finally improved.

The invention relates to the field of electroplating, and discloses a tin-silver alloy electroplating solution and a preparation method and application thereof.The electroplating solution comprises soluble stannous salt, soluble silver salt, a composite defoaming agent, an anti-scorching agent, free acid, an antioxidant, a complexing agent and a solvent, and the composite defoaming agent comprises a first defoaming agent and a second defoaming agent; the first defoaming agent is selected from naphthol sulfonic acid, and the second defoaming agent is selected from naphthol ether; the molar ratio of the first defoaming agent to the second defoaming agent is 1: (1-4). The tin-silver alloy electroplating solution provided by the invention contains the composite defoaming agent compounded by the naphthol sulfonic acid and the naphthol ether, so that foam can be effectively prevented from being formed, and meanwhile, the formed foam is destroyed, so that a tin-silver alloy bump is prevented from generating a cavity after backflow. In addition, the composite defoaming agent has good water solubility and high cloud point, does not cause turbidity of the electroplating liquid at a relatively high temperature, and can avoid influence on normal use of the electroplating liquid.

The invention discloses a polyimide intrinsic microporous membrane, a diamine monomer adopted by the polyimide intrinsic microporous membrane and a preparation method of the polyimide intrinsic microporous membrane and the diamine monomer. The polyimide intrinsic microporous membrane is prepared from a dianhydride monomer and the diamine monomer with a dibenzo spirofluorene xanthene structure, the diamine monomer with the dibenzo spirofluorene xanthene structure is prepared by the following steps: firstly, condensing substituted or unsubstituted 2-nitro-9-fluorenone with 1-naphthol, then carrying out nitration, and finally, carrying out reduction, thereby obtaining the diamine monomer with the dibenzo spirofluorene xanthene structure. The dibenzo spirofluorene xanthene structure contained in the polyimide intrinsic microporous membrane can effectively reduce the dielectric constant of a polymer, the polyimide intrinsic microporous membrane can be applied to the technical field of electronics and microelectronics, the asymmetric diamine structure enables a main chain of a macromolecular chain to be twisted, the twisted macromolecular chain can effectively enlarge interchain pores, and therefore the polyimide intrinsic microporous membrane has the advantages that the dielectric constant of the polymer can be effectively reduced; therefore, the free volume of the polymer is increased, the polymer has higher permeability, selectivity can be balanced, and the polymer can be applied to the technical field of membrane separation.

The invention discloses a beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material and a preparation method and application thereof, and belongs to the technical field of polymer resin.The preparation method includes the steps that beta-naphthol-based trifunctional resin and diethylenetriamine are evenly mixed and coated on a plurality of carbon fibers, and after high-temperature curing, pressing and cooling, the beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material is obtained; the beta-naphthol-based trifunctional resin / carbon fiber / diethylenetriamine composite material is obtained; the beta-naphthol-based three-functional-group resin is prepared by carrying out polymerization reaction on beta-naphthol, formaldehyde and epoxy chloropropane under the condition of an alkaline medium. Through cross-linking reaction between the beta-naphthol-based trifunctional resin and the curing agent diethylenetriamine with amino, the molecular chain of the epoxy resin is tighter, the intermolecular force is enhanced, a stable cross-linked structure is formed, the curing efficiency of the epoxy resin is improved, and the cured product has higher hardness and glass transition temperature. The doping of the carbon fibers enables the mechanical properties of the epoxy resin to be significantly improved.

The invention relates to the technical field of calcium silicate boards, and discloses a production method of an environment-friendly light calcium silicate board, the calcium silicate board comprises the following raw materials: fly ash, cement, slaked lime, a reinforcing component, an inorganic modified filler and water; wherein the reinforcing component is bamboo fiber of which the surface is grafted with 1-naphthol-3, 6-sodium disulfonate, and the breaking strength of the calcium silicate board can be effectively improved by utilizing the bamboo fiber and sulfonic acid groups in the reinforcing component; according to the inorganic modified filler, a polymer with a large amount of quaternary ammonium salt and carboxyl groups is inserted between layers of rectorite, so that the compactness of the calcium silicate board is enhanced, and the strength of the calcium silicate board is further improved. Through the synergistic effect of the raw materials, the strength of the calcium silicate board is remarkably improved, so that the service life of the calcium silicate board is prolonged, and the application effect of the calcium silicate board in various fields is effectively improved.

The invention provides a reagent for flotation separation of fluorite and gangue minerals, and belongs to the technical field of mineral separation. The reagent for flotation separation of fluorite and gangue minerals comprises a collecting agent, a regulating agent and an inhibitor, the collecting agent comprises the following components in parts by mass: 10 to 40 parts of alkyl phosphoric acid, 60 to 80 parts of alkanoylamino carboxylic acid (sulfonic acid) and 1 to 10 parts of alpha-nitroso-beta-naphthol. The regulator is aluminum potassium sulfate; the inhibitor is prepared from the following components in parts by mass: 40 to 50 parts of water glass, 40 to 45 parts of lignosulfonic acid and 5 to 20 parts of bitter ketonic acid. According to the method, efficient recovery of fluorite is achieved through the synergistic effect of the collecting agent, the adjusting agent and the inhibitor, the grade of CaF2 in fluorite concentrate exceeds 96%, and the recovery rate reaches 85% or above.

The invention provides an alkaline phosphatase color developing solution and a preparation method thereof, and particularly relates to the technical field of immunodetection, the alkaline phosphatase color developing solution is formed by dissolving chromogen dry powder in a color developing buffer solution, and the concentration is 1-3 mg / ml; wherein the chromogen dry powder is composed of naphthol AS-MX phosphate and fast red-TR; the preparation method comprises the following steps: S1, dissolving naphthol AS-MX phosphate and fast red TR with purified water to obtain a solution; wherein the concentration of naphthol AS-MX phosphate in the solution is 0.5 to 1.5 mg / ml, and the concentration of fast red TR is 0.5 to 1.5 mg / ml; s2, freezing and storing the solution in a refrigerator, and condensing the solution into ice blocks; s3, the ice blocks are put into a freeze dryer, vacuumizing is carried out, water molecules in the ice blocks are sublimated into water vapor under the negative pressure condition, the water vapor is discharged, and chromogen dry powder can be obtained; s4, the chromogen dry powder is dissolved in the chromogenic buffer solution, and an alkaline phosphatase chromogenic solution can be obtained; the prepared developing solution has the core advantages of high sensitivity, rapid developing, multicolor compatibility, digital adaptation and the like, and an efficient and reliable tool is provided for pathological research and clinical diagnosis.

The invention discloses a synthesis method of a 1, 3-benzoxazine compound. Belongs to the technical field of organic compound process application. 1, 3-benzoxazine is a key skeleton structure of many drug molecules and has a wide application prospect. Specifically, a series of 1, 3-benzoxazine compounds are obtained by catalyzing o-hydroxyphenyl substituted p-methylene quinone and ketimine to react in a solvent by taking binaphthol phosphate as a catalyst through a Diels-Alder hybrid reaction. According to the method, the product with high yield is rapidly obtained from cheap raw materials through simple operation under mild reaction conditions, and the method is suitable for industrial large-scale production.

The invention discloses a preparation method and application of a chiral phosphoric acid intrinsic microporous polymer membrane. In the invention, R / S-1, 1 '-co-2-naphthol and indole-2, 3-dione or a derivative thereof are taken as monomers, and the soluble chiral polymer with an intrinsic microporous structure is prepared through catalytic polymerization. After the polymer forms a film, phosphorylation treatment is carried out, a phosphate group is introduced, and the chiral phosphoric acid intrinsic microporous polymer film is obtained. The membrane has high specific surface area and chiral recognition sites, shows excellent enantiomer selectivity and permeability, can be widely applied to efficient separation of chiral small molecular enantiomers, has important application value and popularization prospect in the field of chiral separation, can simultaneously realize integration of microporous channels, chiral environments and multifunctional phosphate groups, and has broad application prospects. Therefore, breakthrough balance is achieved between chiral selectivity and permeation flux, and a new material platform is provided for chiral membrane separation.

The invention relates to the technical field of fine chemical engineering, and discloses electronic-grade solid naphthyl epoxy resin as well as a preparation method and application thereof.The preparation method specifically comprises the following steps: (1) firstly, adding epoxy chloropropane and isopropanol into dihydroxy dinaphthyl methane of two isomers, and stirring and dissolving to obtain a mixture A; (2) dropwise adding alkali liquor into the mixture A, and carrying out etherification reaction to obtain a mixture B; (3) dropwise adding alkali liquor into the mixture B, carrying out ring-closure reaction, separating liquid and removing salt to obtain an organic phase layer solution C; (4) washing the organic phase layer solution C with water, and performing reduced pressure distillation to obtain an epoxy resin crude product; (5) adding a solvent into the epoxy resin crude product, heating and dissolving, dropwise adding alkali liquor, carrying out refining reaction, separating liquid and removing salt to obtain an organic phase layer solution D; and (6) washing the organic phase layer solution D with water, and carrying out reduced pressure distillation to obtain the alpha-naphthol bifunctional solid epoxy resin. The product disclosed by the invention is low in total chlorine content, high in purity, relatively high in yield and excellent in heat resistance, and can be applied to the fields of epoxy resin molding compounds, semiconductor chip packaging and the like.

The invention provides an aqueous zinc ion battery electrolyte and an aqueous zinc ion battery, the aqueous zinc ion battery electrolyte comprises pure water, soluble zinc ion salt and an additive, and the additive is 1-nitroso-2-naphthol-6-sodium sulfonate ferric salt. The 1-nitroso-2-naphthol-6-sulfonic acid group generated by ionization in the electrolyte can be directionally adsorbed on the surface of a zinc negative electrode, so that dendritic crystal growth and hydrogen evolution reaction on the surface of the negative electrode are inhibited; fe < 3 + > ions generated by ionization can be embedded into the positive electrode material in the battery circulation process, and the capacity of the battery is improved, so that the problem of capacity fading in the battery circulation process is solved, and the circulation stability of the battery is improved.

The application provides a method for preparing 2-hydroxy-1,4-naphthoquinone, which comprises the following steps: S1: dispersing 2-naphthol, a phase transfer catalyst and a base in water to obtain a 2-naphthol alkali solution; S2: adding a hypochlorite aqueous solution to the 2-naphthol alkali solution at 5-30 DEG C, and then increasing the temperature to 50-60 DEG C to react, so that 2-naphthol is oxidized to an intermediate isomerization and rearrangement to generate 2-hydroxy-1,4-naphthoquinone salt, and a 2-hydroxy-1,4-naphthoquinone salt solution is obtained; S3: adjusting the pH of the 2-hydroxy-1,4-naphthoquinone salt solution, so that the 2-hydroxy-1,4-naphthoquinone salt is converted into 2-hydroxy-1,4-naphthoquinone and precipitated, and a 2-hydroxy-1,4-naphthoquinone crude product is obtained. The method uses 2-naphthol as a raw material, and high-purity and high-yield 2-hydroxy-1,4-naphthoquinone is obtained, while the safety hazards and environmental burdens caused by the use of a large amount of peroxide oxidants and metal catalysts are avoided, the process flow is simplified, and the method is more suitable for industrialization.

This invention provides a compound for recognizing chiral amino alcohols, a fluorescent probe, its preparation method, and its application. Naphthol and sodium hydride are weighed and dissolved separately in ultra-dry tetrahydrofuran, mixed, and then reacted with bromomethyl methyl ether. The mixture is extracted with ethyl acetate, and the organic phases are combined to obtain product (R)-1. This product is dissolved in ultra-dry tetrahydrofuran, and n-butyllithium is added. The reaction system changes from colorless to brown, and the reaction is allowed to return to room temperature. Ultra-dry N,N-dimethylformamide solution is then added, and the reaction is quenched by adding saturated ammonium chloride solution under ice-water bath conditions. The product is then extracted with ethyl acetate to obtain product (R)-2. Product (R)-2 is dissolved in a mixed solvent of tetrahydrofuran and anhydrous methanol, and sodium triacetoxyborohydride is added. The product is then extracted with ethyl acetate to obtain reduced product (R)-3. Product (R)-3 is dissolved in a mixed solvent of dichloromethane and anhydrous ethanol, and concentrated hydrochloric acid is added. After the reaction is complete, the reaction is quenched with sodium bicarbonate, and then extracted with dichloromethane to finally obtain compound (R)-4, which recognizes chiral amino alcohols.

The invention discloses a high-temperature-resistant maintenance-free lead-acid storage battery for starting. The lead-acid storage battery comprises a positive plate, a negative plate, a partition plate, electrolyte and a storage battery tank, the positive plate comprises a positive grid filled with positive lead plaster; the negative plate comprises a negative plate grid filled with negative lead plaster; the negative electrode lead paste is prepared by curing lead powder, a condensation polymer of beta-naphthol sulfonic acid and formaldehyde, lignin, barium sulfate, acetylene black, short fibers, a sulfuric acid aqueous solution and deionized water according to a ratio. The condensation polymer of beta-naphthol sulfonic acid and formaldehyde added in the negative electrode lead paste has low solubility in an electrolyte and strong oxidation resistance, reduces the volume of lead sulfate crystals generated by discharge, increases the porosity of a negative electrode active substance, inhibits the formation of large-particle metal lead in the charging process, delays the shrinkage of the negative electrode active substance, and improves the charging efficiency. Meanwhile, the hydrogen evolution overpotential is improved, and the water loss of the storage battery is inhibited.

The invention discloses a polysiloxane-based shape memory polymer and a preparation method thereof, and belongs to the technical field of shape memory polymer synthesis. The method comprises the following steps: sequentially adding a formaldehyde solution, a solution dissolved with siloxane and 2-naphthol into a container, and reacting at 90-100 DEG C for 1.5-3 hours; removing the solvent through reduced pressure distillation, then washing liquid residues for multiple times by using deionized water to obtain a product, and drying the product at 60 DEG C for 6 hours to obtain viscous liquid; the liquid is placed in a mold, then the mold is transferred into a drying oven, the temperature is increased to 120 DEG C and 140 DEG C in sequence, heat preservation is conducted for 1 h, finally, the temperature is increased to 190 DEG C to 220 DEG C, the temperature is kept for 5 h to 6.5 h, and curing is completed. The shape memory polymer formed by polymerizing siloxane and 2-naphthol has more Si-O groups, benzene rings and oxazine rings, the groups can enhance the tolerance of the polymer to high temperature, chemical or physical crosslinking points serve as a stationary phase to memorize a permanent shape, and a flexible alkyl-siloxane unit serves as a switching section to fix a temporary shape.

The invention belongs to the field of pharmaceutical chemistry preparation, discloses a preparation method of 6-amidino-2-naphthols and its intermediate M1, and prepares nafamostat mesylate using the method. The preparation method provided by the present invention is: using SM1 as starting material, and obtaining intermediate M1 by hydroxylamine addition, M1 is reduced to obtain 6-amidino-2-naphthols M2 by means of continuous reaction or stepwise reaction, condensed under the action of a condensing agent, and then methanesulfonic acid salifies to obtain nafamostat mesylate. The preparation method of the present invention has short reaction time, high yield, high product purity, mild reaction conditions, simple post-processing, avoids the dangerous reaction, dangerous reagent, controlled reagent involved in traditional route, therefore the safety of operation and product is higher, is conducive to industrialized large-scale production.

The application provides a nematocide of a light-loving flower extract and a preparation method and application thereof, and particularly relates to application of the light-loving flower extract in preparation of a nematocide. Through determination of a mortality rate and a hatching rate of southern root-knot nematodes, it is found that ethyl naphthalene in the light-loving flower has good insecticidal activity on nematodes and has obvious inhibition on hatching of eggs of the southern root-knot nematodes. The nematocidal activity of ethyl naphthalene increases with increase of a concentration of the medicine, and the inhibition rate on hatching of the nematode eggs increases with increase of a treatment time and the concentration of the medicine.

This invention belongs to the field of organic chemical synthesis, specifically relating to a 3-amino-2-indolone compound containing a thioacetal skeleton, its synthesis method, and its applications. The synthesis method involves adding aryl-substituted dithioacetal and 1-substituted-3-imino-2-indolone as reactants to an organic solvent. The reaction is carried out under the synergistic catalysis of naphthol phosphate and a Cu metal catalyst at 2-5°C with stirring. The reaction is monitored by TLC until complete, followed by filtration, concentration, and purification to obtain the final product. The 3-amino-2-indolone compound synthesized in this invention possesses potential pharmaceutical activity due to its thioacetal skeleton. The reaction conditions of this invention are relatively conventional, the reaction process is mild, simple, and low-cost, suitable for large-scale industrial production, thus broadening the applicability of this method. A wide variety of substrates are used as reactants, resulting in structurally diverse products with high yields.

The invention relates to a method for preparing a hydroxyl naphthaldehyde derivative by using a cobalt complex, which comprises the following step: by taking naphthol and paraformaldehyde as raw materials and the cobalt complex containing an ortho-carborane benzothiazole structure as a catalyst, reacting at room temperature to synthesize the hydroxyl naphthaldehyde derivative. Compared with the prior art, the cobalt complex containing the ortho-carborane benzothiazole structure is applied to the reaction for catalytically synthesizing the hydroxyl naphthaldehyde derivative through the one-pot method, the use equivalent of the catalyst is low, the reaction condition is mild, the substrate universality is high, and the yield is high.

The invention provides naphthyl high-refractive-index optical resin as well as a preparation method and application thereof, the structural formula of the naphthyl high-refractive-index optical resin is as shown in formula (1), and the refractive index of the naphthyl high-refractive-index optical resin is 1.685-1.778; the weight-average molecular weight of the naphthyl high-refractive-index optical resin is 2.24 * 10 < 4 >-8.92 * 10 < 4 > g / mol; the invention relates to a method for preparing naphthyl high-refractive-index optical resin, which comprises the following steps: dissolving a dimercapto compound and binaphthol fluorene diacrylate in a solvent A, adding a catalyst under the protection of nitrogen, uniformly stirring, and carrying out Michael addition polymerization reaction under the conditions of normal pressure, polymerization temperature of 0-120 DEG C and polymerization time of 1-24 hours to obtain a mixed solution; then adding the mixed solution into a solvent B, regenerating, separating out blocks, and washing and purifying to obtain the naphthyl high-refractive-index optical resin. The material has the beneficial effects of high refractive index and high thermal stability, can meet the use requirements of higher refractive index, lighter weight and thinner weight of optical products, and is suitable for the technical field of optical materials.

The embodiment of the invention discloses a preparation method of 2, 2 '-di-(2-hydroxyethoxy)-1, 1'-dinaphthalene, which comprises the following step: (+ / -)-1, 1 '-di-(2-naphthol) shown in a formula I and ethylene carbonate react in the presence of a catalyst, a solvent and a preset temperature to obtain a 2, 2'-di-(2-hydroxyethoxy)-1, 1 '-dinaphthalene product shown in a formula II. According to the preparation method of 2, 2 '-di-(2-hydroxyethoxy)-1, 1'-dinaphthalene, (+ / -)-1, 1 '-di-(2-naphthol) is taken as a starting raw material, a high-yield target product is obtained through alkylation reaction, the raw material is convenient and easy to obtain, the reaction route is short, the reaction condition is mild, and a high-purity product can be obtained through simple purification.

The invention relates to the technical field of compound synthesis, and particularly discloses a method for preparing nafamostat mesylate. The preparation method comprises the following steps: (1) preparing 6-imino ester-2-naphthol hydrochloride; (2) preparing 6-imino ester-naphthalene-2-yl-4-guanidine benzoate hydrochloride in a reaction solvent DMF (Dimethyl Formamide) or DMSO (Dimethyl Sulfoxide); (3) preparing nafamostat carbonate in a reaction solvent DMF (Dimethyl Formamide) or DMSO (Dimethyl Sulfoxide); and (4) preparing nafamostat mesylate. The nafamostat mesylate is prepared by the method disclosed by the invention, a high-quality and high-yield product can be obtained, and the method is suitable for industrial popularization.

The invention relates to the technical field of chemical pharmacy, and particularly discloses a preparation method of nafamostat mesylate. The preparation method comprises the following steps: adding 6-amidinyl-2-naphthol mesylate, 4-guanidinobenzoic acid hydrochloride and EDCI into a first solvent, and carrying out condensation reaction; adding a saturated sodium bicarbonate aqueous solution to obtain an intermediate; and adding the intermediate into a second solvent, adding methanesulfonic acid to form salt, and purifying to obtain the nafamostat mesylate. EDCI firstly reacts with a first solvent and is activated, nitrogen atoms with positive charges in EDCI after oxygen atoms on carbonyl carbon of carboxylic acid are activated are positively charged, the electrophilicity of carboxylic acid is increased, an active intermediate is formed, the active intermediate and alcohol are more easily subjected to nucleophilic substitution reaction, and dehydration condensation is performed to form an ester bond. EDCI is used as a condensing agent, so that the production efficiency and yield of the nafamostat mesylate are improved, the purity of the nafamostat mesylate is improved, the impurity content is reduced, the cost is low, and industrial production is easy.

The invention relates to the technical field of coal-water slurry, with an IPC classification number of C08F, and specifically relates to a novel naphthol distillation residue modified coal-water slurry modifier and a preparation method thereof. The raw materials for preparing the novel naphthol distillation residue modified coal-water slurry modifier include, by weight, 1-10 parts of distillation-rectification residue, 0.2-1 parts of silane coupling agent, 80-120 parts of water, 20-45 parts of anionic surfactant, 10-20 parts of phenol, 3-10 parts of alkaline compound, 10-35 parts of formic aldehyde, and 1-2 parts of auxiliary agent. The preparation method comprises: adding a silane coupling agent to the distillation-rectification residue in a heated molten state for blending and modification, adding an anionic surfactant and stirring and mixing, adding formic acid aldehyde to prepare a small monomer, adding water, phenol, and liquid sodium hydroxide into a flask, adding the remaining formic acid aldehyde, and adding the small monomer and an auxiliary agent for mixing, so as to prepare a novel naphthol distillation residue modified coal water slurry modifier, which has the advantages of good dispersibility, high stability, low viscosity, good fluidity, good practicality, low energy consumption, and the like.

The present invention relates to the technical field of olefin polymerization catalysts and discloses a tetrahydronaphthol-phosphine pre-transition metal complex, a method for preparing the same, and its use. The structural formula of the tetrahydronaphthol-phosphine pre-transition metal complex is given by formula (I) (wherein M is selected from group 4 metals, Ar is selected from substituted or unsubstituted C6-C20 aryl groups, X is selected from halogens or C1-C10 hydrocarbon groups, and n is 1 or 2). When the tetrahydronaphthol-phosphine pre-transition metal complex of the present invention is used as the main catalyst for olefin polymerization, the olefin polymerization activity (homopolymerization / copolymerization activity) is relatively good even at relatively high temperatures, and the prepared olefin polymer has relatively good performance. [Formula 1] JPEG2026513594000017.jpg31169

The invention discloses a chiral binaphthol-based fluorescent material as well as a preparation method and application thereof, and belongs to the technical field of organic photoelectric materials. The fluorescent material takes a chiral binaphthyl derivative as a skeleton, and a chiral binaphthyl group is introduced into a para-position position of tetrafluoroterephthalonitrile, so that a chiral space charge transfer luminescence system with a clear structure is formed. The preparation method comprises two steps of nucleophilic substitution reaction, the reaction condition is mild, the synthetic route is simple, and the yield is stable. The material has dual-state emission and aggregation enhanced luminescence characteristics, avoids aggregation quenching, has excellent circular polarization luminescence performance, has a luminescence asymmetry factor (Glum) of 3.6 * 10 <-3 >-5.9 * 10 <-3 >, and can still maintain stable chiral luminescence characteristics in a doped film. The material can be widely applied to the fields of commercial anti-counterfeiting, fluorescent ink, circular polarization luminescent devices, 3D display, information encryption, biological probes, LED light sources and the like, and has good industrial amplification potential and practical application value.

This invention discloses a phosphonothiolated binaphthol derivative and its synthetic method. Using readily available binaphthioonium salts as starting materials, secondary phosphine oxides as coupling agents, and a base as a promoter, a series of phosphonothiolated binaphthol derivatives are generated. This invention features simple raw material preparation, very mild synthetic reaction conditions, convenient experimental operation, high reaction efficiency, and diverse functional groups.

Bis-phosphites with naphthol flanking structural units and their use in hydroformylation.