122 results about "Naphthoquinone" patented technology

The invention discloses a composite material and application thereof in electrochemical carbon dioxide capture, and belongs to the technical field of electrochemistry and carbon dioxide capture. The composite material provided by the invention comprises a carbon felt and a 1, 4-naphthoquinone compound, the 1, 4-naphthoquinone compound is loaded on the carbon felt; the 1, 4-naphthoquinone compound comprises at least one of 1, 4-naphthoquinone, 2-methyl-1, 4-naphthoquinone or 2, 3-dimethyl-1, 4-naphthoquinone, and the compound is a compound of the 1, 4-naphthoquinone, the 2-methyl-1, 4-naphthoquinone and the 2, 3-dimethyl-1, 4-naphthoquinone. In the composite material disclosed by the invention, a 1, 4-naphthoquinone structure of the 1, 4-naphthoquinone compound can realize specific capture of CO2 through a reversible oxidation-reduction reaction, a carbon felt three-dimensional porous framework provides a smooth channel for CO2 mass transfer and electron transmission, and the 1, 4-naphthoquinone structure and the carbon felt three-dimensional porous framework cooperate with each other to solve the problems of low capture capacity, poor stability and high energy consumption of a traditional carbon material; therefore, the method has a good application prospect in electrochemical carbon dioxide capture.

This invention belongs to the field of cosmetic technology, specifically relating to a composition for skin barrier repair and anti-inflammation after non-surgical cosmetic procedures and its application. The composition comprises Xinjiang comfrey peptide and Xinjiang comfrey naphthoquinone, with a mass ratio of 50-200:1. This composition synergistically inhibits the release of LPS-induced inflammatory factors, alleviating acute inflammatory reactions such as redness and burning after cosmetic procedures, achieving a dual effect of anti-inflammation and repair. The composition significantly reduces postoperative inflammatory redness and improves discomfort symptoms such as dryness and stinging. Through a multi-target mechanism, this invention solves the technical problems of existing repair products having single functions and slow onset of action, providing a highly efficient and comprehensive repair solution for skin after cosmetic procedures.

The invention discloses a method for detecting the content of trace metal ions in a diazo naphthoquinone photosensitizer. The method comprises the following steps: sample pretreatment: weighing diazonaphthoquinone photosensitizer powder in a clean room, putting the diazonaphthoquinone photosensitizer powder into a cleaned and dried wide-mouth PFA bottle, adding an organic reagent, and carrying out ultrasonic treatment until a solid is completely dissolved; the method comprises the following steps: testing: adding a metal standard substance into an organic solvent to prepare three standard solutions with different concentrations; debugging an instrument, determining target metal in the standard solution in a Cool mode, a No Gas mode and a He mode by using an inductively coupled plasma mass spectrometer to obtain a signal intensity value (CPS value) corresponding to each metal ion concentration in the standard solution, and establishing a standard curve; and measuring the sample in which the photosensitizer is dissolved by using the same steps to obtain the content of metal ions in the sample. According to the method, appropriate detection conditions are optimized for different elements to be detected in the diazo naphthoquinone photosensitizer, polyatomic ion interference and matrix effect in a sample are mainly reduced, the content of 16 metal ions can be accurately detected at the same time, and the test efficiency is high.

The application belongs to the technical field of medicine or cosmetics, and particularly relates to a composition for treating atopic dermatitis and application thereof. The composition is composed of polysaccharide of Arnebia euchroma and naphthoquinone of Arnebia euchroma, and the mass ratio of the polysaccharide of Arnebia euchroma to the naphthoquinone of Arnebia euchroma is 250-500:1. The polysaccharide of Arnebia euchroma and the naphthoquinone of Arnebia euchroma are compounded according to a specific ratio, and the two components have a synergistic effect, can significantly inhibit secretion of inflammatory factors, and promote expression of key proteins of a skin barrier, so that atopic dermatitis is treated from two paths of 'anti-inflammation' and 'barrier repair', and the effect is significantly better than that of a single component. The composition of the application is derived from natural plant ingredients, has high safety, can be prepared into various dosage forms, is used for auxiliary treatment or daily care of atopic dermatitis, and has a good application prospect.

The application provides a polyhydroxy phenolic compound, a preparation method thereof, a diazonium naphthoquinone sulfonate, a preparation method thereof and a photoresist composition. The polyhydroxy phenolic compound has the following structure shown in formula (I). The diazonium naphthoquinone sulfonate prepared by using the polyhydroxy phenolic compound provided by the application as an intermediate is applied to the photoresist composition as a photosensitive agent, and the obtained photoresist not only has clear resolution and high photosensitivity, but also has excellent thermal stability and etching resistance, and has a wide application prospect in the field of semiconductors.

The invention discloses a naphthoquinone-based gas sensitive material, a preparation method and application of the naphthoquinone-based gas sensitive material in an ammonia gas sensor, and belongs to the technical field of gas sensors. The material is composed of divalent metal ions such as copper, nickel and cobalt and a polysubstituted naphthoquinone organic ligand, forms a one-dimensional chain structure, has a high specific surface area, an ordered electron channel and excellent molecular recognition capability, and can detect toxic gases such as ammonia gas at room temperature with high sensitivity. Macroscopic preparation of the material can be realized through solvothermal one-step reaction. Compared with the prior art, the one-dimensional coordination structure and ligand site engineering synergistically improve the carrier transport and molecular recognition capability, can realize continuous, real-time and selective detection of ammonia gas under complex working conditions, and has the advantages of high yield, large-scale preparation and excellent device application prospect.

This invention belongs to the field of cosmetic raw material preparation technology, specifically relating to a method for preparing a low-odor Xinjiang Lithospermum extract, its product, and its application. The method includes: raw material pretreatment: drying and pulverizing Xinjiang Lithospermum raw material to obtain pretreated material; first-stage extraction: loading the pretreated material into a supercritical fluid extraction device, adding a composite entrainer for extraction, and collecting the first fraction in a first separator; second-stage extraction: collecting a second fraction rich in naphthoquinone components in a second separator; and post-treatment: concentrating the second fraction and removing the alcohol solvent to obtain the low-odor Xinjiang Lithospermum extract. This invention can separate and discard most of the odor-causing volatile components in the raw material under mild conditions in the first stage, and then efficiently extract the core active substances of naphthoquinone in the second stage, achieving a significant reduction in the odor of the extract and a significant improvement in its sensory quality.

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.

Compositions and methods for inhibiting and retarding polymerization of monomeric compositions are described that use a naphthoquinone and an oxygenated aminophenol. When present in a monomer-containing composition, the combination of naphthoquinone and oxygen-containing aminophenol provides an unexpectedly beneficial anti-polymerization agent effect, thereby inhibiting the formation of unwanted fouling polymers. The anti-polymerization agent combination can be added to a hydrocarbon composition, such as petroleum, that can include a polymerizable component, such as styrene, wherein the hydrocarbon composition is purified or processed, such as under distillation.

The invention belongs to the field of metal ion battery material synthesis, and particularly provides a sulfur-doped oxygen-nitrogen-enriched conjugated organic material and application thereof in Li < + > / Zn < 2 + > ion batteries. The preparation method comprises the following steps: firstly, preparing 2, 3, 8, 9, 14, 15-hexachlorodiquinoline [2, 3-a: 2 ', 3'-c] phenazine (HANT-Cl) by taking cyclohexanehexone and dichlorobenzene diamine as raw materials, and then synthesizing 6S6O and the derivative thereof by taking HATN-Cl, sodium sulfide nonahydrate and a naphthoquinone derivative as raw materials. The obtained electrode material contains a plurality of oxidation-reduction active sites, multi-electron storage can be carried out, the transfer rate of electrons is improved through the large pi conjugated structure of the conjugated quinoneazine material, and therefore the high theoretical specific capacity and the excellent rate performance are achieved. Due to the addition of the sulfur element, the oxidation-reduction potential of the material is improved, the energy density of a battery can be improved, and the material has a wide application prospect in a Li < + > / Zn < 2 + > ion battery system.

This invention belongs to the field of biotechnology and discloses a recombinant strain of Saccharomyces cerevisiae that enhances the efficient synthesis of vitamin K2 and its application. By heterologously integrating the hepS / T and naphthoquinone cyclotransferase genes (menA) of Bacillus subtilis, four genetically engineered strains were constructed based on the designed MK-7 biosynthetic pathway: YK-1, YK-2, YK-3, and YK-4. YK-1 is an expression strain containing the target genes MenF, MenD, and MenH; YK-2 is an expression strain integrating the target genes MenC, MenE, and MenB on the basis of YK-1; YK-3 is an expression strain integrating the target genes hepS and hepT on the basis of YK-2; and YK-4 is an expression strain integrating the target genes yuxO, MenA, and MenG on the basis of YK-3. YK-4 is the final engineered strain that produces high levels of vitamin K2. The optimal fermentation time was determined by measuring OD600 and yield curves. YK-4 reached its maximum cell concentration in 18 hours, which can effectively shorten the fermentation cycle.

The invention discloses a non-planar pi-conjugated naphthoquinone derivative with an asymmetric structure, a preparation method of the non-planar pi-conjugated naphthoquinone derivative and application of the non-planar pi-conjugated naphthoquinone derivative in an aqueous flow battery, and relates to the technical field of electrochemical energy storage. Methyl 4-aminobenzoate is added into hydrochloric acid, then the mixture and sodium nitrite are dissolved in water to be mixed to obtain a diazonium salt solution, and 2-hydroxy-1, 2, 4-triazole is added into the diazonium salt solution to be mixed to obtain a diazonium salt solution; 2, 4-naphthoquinone is dissolved in a KOH solution and mixed with a diazonium salt solution, after hydrochloric acid acidification, acetic acid recrystallization purification is conducted, and BANQ is obtained; the capacity fading rate of the modified naphthoquinone derivative BANQ is as low as 0.00018% per circle, the modified naphthoquinone derivative BANQ shows excellent cycling stability and redox reversibility, the BANQ molecule has an asymmetric non-planar pi conjugation characteristic, and the sensitivity of a redox core to nucleophilic / electrophilic attack is greatly reduced, so that the cycling stability is improved, and the service life is prolonged. And a new direction and possibility are provided for constructing green sustainable large-scale organic redox active molecules for energy storage through artificial modification of natural products.

The application belongs to the technical field of agricultural chemistry, and particularly relates to a naphthoquinone compound with anti-tobacco black shank disease activity and a preparation method and application thereof. The naphthoquinone compound is extracted from honeysuckle branches with high-concentration methanol, high-concentration acetone / water or high-concentration ethanol / water, the extract is combined, filtered, and concentrated into an extract under reduced pressure; the extract is subjected to silica gel column chromatography by dry column packing with silica gel; gradient elution is performed with chloroform-acetone solution; and the 7:3 part of the eluate is further separated and purified by high-performance liquid chromatography to obtain the required naphthoquinone compound. The application also discloses the application of the compound. The active test shows that the compound has a good inhibitory effect on tobacco black shank disease. The compound has a novel structure, good anti-black shank disease activity, and can be used as a lead compound for anti-tobacco black shank disease and for the research and development of anti-tobacco black shank disease biological pesticides.

The invention discloses a method for improving the synthesis yield of vitamin K3, which comprises the following steps: S1, adding beta-menadione and sodium pyrosulfite into a container, adding ethanol as a solvent, stirring to react for 1-2 hours at the reaction temperature of 30-50 DEG C, heating to 40-70 DEG C, keeping the temperature for 10-60 minutes, and filtering while hot after the reaction is completed to obtain filtrate; and S2, adding sodium pyrosulfite into the filtrate, and then freezing, crystallizing, filtering, washing and drying to obtain a vitamin K3 finished product. When the vitamin K3 is prepared through cooling crystallization, the sodium pyrosulfite is added into the filtrate to be crystallized, so that the crystallization yield of the vitamin K3 can be effectively improved.

This invention discloses a trifluoromethylselenoquinone derivative, its preparation, and its application. The structure of the trifluoromethylselenoquinone derivative is shown in formula (I). Wherein, the R1 group is selected from H, halogens, C... 1‑5 Alkyl, C 1‑5 One of alkoxy and acetyl groups, and R2 group selected from monosubstituted or unsubstituted phenyl and thiophene groups. This invention is the first to develop a photochemical synthesis method for trifluoromethylselenoquinone derivatives. This method uses visible light as a clean driving force and has the advantages of mild conditions and environmental friendliness. This invention successfully introduces the trifluoromethylseleno group into the naphthoquinone core, constructing a novel functional molecule that integrates the advantages of the naphthoquinone skeleton, fluorine atom, and chalcogenide triple structure, enriching the library of fluorine-containing chalcogenide heterocyclic compounds and providing a novel structural unit for innovative drug development. The compound synthesized in this invention exhibits excellent VDR agonist activity and has good drug development prospects. (I)

The present invention relates to a novel 1,4-naphthoquinone derivative, a preparation method therefor, and uses thereof, and the derivative acting as a substrate for NQO1 and effectively increasing enzyme activity has been been confirmed. Therefore, a compound according to the present invention can prevent, alleviate, and / or treat various diseases associated with a decrease in NAD+ or mitochondrial dysfunction by increasing NQO1 activity and consequently increasing in NAD+.

The invention relates to an electrochemical adsorption material and device for capturing carbon dioxide, the adsorption material is composed of an integrated cathode adsorption material, an integrated anode charge balance material and a gel electrolyte, the integrated cathode adsorption material is a polynaphthoquinone-carbon cloth composite material, and the integrated anode charge balance material is a polynaphthoquinone-carbon cloth composite material. The integrated anode charge balance material is a ferrocene-carbon cloth composite material, and the gel electrolyte is a polyion liquid-silicon dioxide gel electrolyte. The method has the advantages that the electrochemical adsorption material has the advantages of high activity (good adsorption performance), high stability (the performance is not reduced after long-term use) and the like, a matched device is modularized, easy to maintain and compact in size, auxiliary equipment is not needed, the capacity is not influenced by the feeding concentration, the purity of released CO2 can be close to 100%, efficient trapping of a wide-concentration CO2 gas source (0.6%-10%) is achieved, and the method is suitable for industrial production. Capturing efficiency and energy consumption control are both considered, and multi-scene application requirements are met.

The invention belongs to the technical field of extraction of plant extracts, and particularly relates to an extraction method and an identification method of a 2-methoxy-1, 4-naphthoquinone compound in impatiens balsamina. The method comprises the following steps: soaking the overground part of impatiens balsamina with ethyl acetate, and then carrying out ultrasonic disruption, flash extraction, standing and solid-liquid separation to obtain a crude extract; the crude extract is sequentially subjected to first silica gel column chromatography, second silica gel column chromatography and recrystallization, and the 2-methoxy-1, 4-naphthoquinone compound is obtained. According to the extraction method provided by the invention, the high-purity 2-methoxy-1, 4-naphthoquinone compound can be obtained, meanwhile, the extraction method is simple, convenient, stable and reliable, and is suitable for large-scale production, and conditions are created for development and utilization of the 2-methoxy-1, 4-naphthoquinone compound.

The invention discloses a high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution and a preparation method thereof. The high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution is characterized in that high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin in the solution has a chemical structure fragment shown in (I); the preparation method comprises the following steps: generating naphthalene ring type halogen-free flame-retardant epoxy resin from 1, 4-naphthoquinone, novolac epoxy resin, DOPO and cyclohexanone under the action of an ethyl triphenyl phosphine acetate catalyst, then adding acrylic acid, reacting under the action of a catalyst trimethyl benzyl ammonium chloride and the like, and then adding butanone, thereby obtaining the high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution. Furthermore, the invention also discloses a resin composition for a copper-clad plate, which is prepared by mixing a high-activity double-bond naphthalene ring type halogen-free flame-retardant epoxy resin solution, hydrocarbon resin, special bismaleimide resin, spherical silica powder, an initiator and toluene. The antenna is good in performance, and can meet the requirements of high-frequency and high-speed 5G transmitting base stations, artificial intelligence carrier plates and the like. (I)

The invention provides a positive photoresist composition as well as a preparation method and application thereof, and the positive photoresist composition comprises the following components in parts by weight: 100 parts of modified phenolic resin, 0.5-10 parts of a diazonaphthoquinone compound and 0.01-0.1 part of a photoacid generator, the molecular structure of the modified phenolic resin comprises a structure as shown in a formula I. Phenolic resin with a specific structure is matched with a diazonaphthoquinone compound and a photoacid generator, so that the resolution and photosensitivity of the photoresist can be effectively improved on the premise of ensuring low film residue rate of the photoresist, a PEB process is not needed, the morphology of the photoresist is not influenced by trace alkali in air after development, and the service life of the photoresist is prolonged. And the industrial requirements of low cost and high performance are met.

The invention relates to a construction strategy and a preparation method of phosphorus-containing epoxy resin for a mica plate of a new energy automobile, and belongs to the technical field of preparation of halogen-free flame-retardant high polymer materials. According to the material, basic epoxy resin, a phosphorus-containing flame retardant DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) and 1, 4-naphthoquinone are used as basic raw materials, a reaction type phosphaphenanthrene-containing compound is obtained in a staged reaction mode, and then the reaction type phosphaphenanthrene-containing compound and epoxy resin are synthesized into the phosphorus-containing epoxy resin under the action of a catalyst. The preparation method comprises the following steps: adding middle-high molecular weight epoxy to regulate and control the molecular weight and distribution, and finally dissolving the obtained phosphorus-containing epoxy resin in a proper solvent to prepare a stable phosphorus-containing epoxy resin solution. The phosphorus-containing epoxy resin has the core advantages that the molecular structure and molecular weight distribution of a product are effectively regulated and controlled through formula design and segmented reaction control, and the prepared phosphorus-containing epoxy resin not only has high heat resistance and high flame retardancy, but also keeps good mechanical strength and low moisture absorption rate, and is suitable for industrial production. And good wettability and bonding performance with a mica base material are shown. The material is suitable for the field of new energy automobile mica plates with extremely high requirements on safety and reliability, and has a good application prospect.

The present application relates to a kind of preparation methods of sodium bisulfite menadione, which is prepared by the reaction of 2-methyl-1,4-naphthoquinone and sodium bisulfite in the presence of K2O-MgO / Al2O3 as an aid in the mixed solution of organic solvent and water.The present application makes the conversion rate of raw materials >99% by introducing K2O-MgO / Al2O3 as an aid, the selectivity is greater than 95%, and can reduce the phenol, quinone impurities (content <800ppm) in the product.The process is simple, the reaction condition is mild, the process is stable, the purity of product is more than 98%, and the total yield is more than 94%.

The present invention relates to novel 1,4-naphthoquinone derivatives, preparation methods thereof, and uses thereof. When the compounds of the present invention are used, it is possible to achieve enhanced NQO1 activity, increased NAD+, increased ATP, and mitochondrial function improvement, thus achieving the effect of preventing or treating related diseases.

The present application relates to an electroactive compound, a composition comprising the same, and a pattern forming method, and more particularly, to a composition comprising an acid-sensitive polymer comprising a first repeating unit derived from a monomer containing an acid-decomposable group; a photoacid generator compound; a non-polymeric electron acceptor compound, the non-polymeric electron acceptor compound having an electron affinity greater than that of the photoacid generator compound, where the non-polymeric electron acceptor compound does not generate a photoacid, and where the non-polymeric electron acceptor compound does not include a plurality of diazonaphthoquinone (DNQ) groups; and a solvent, where the solvent is present in the composition in an amount greater than 50% by weight, based on the total weight of the composition, where the composition is a positive EUV photoresist or an electron beam photoresist.

Described herein are methods of treating a human child including administering to the human child a compound selected from epigallocatechin gallate (EGCG), or a derivative thereof selected from epicatechin (EC), epigallocatechin (RGC) and epicatechin gallate (ECG), sulforaphane, olive oil, phylloquinone, quercetin, safranal, hydroxtyrosol, menaquinone-4, menaquinone-7, oleocanthal, peptide Ins-1 B9-23 19CAM22R-E, peptide Ins-1 B12-23-19CAM, peptide Ins-1 B12-23 19CAM22R-E, or a combination of any of the foregoing, wherein administration of the treatment is started between birth and six months of age. Also described are methods of treating a pregnant human or a nursing human mother who has recently given birth to an infant. Further described are insulin B chain mimotope peptides.

The invention relates to a preparation method of a tetrahydroxy tetraphenyl ethylene photoinitiator. According to the method, tetrahydroxy tetraphenyl ethylene and a diazo naphthoquinone sulfonyl chloride compound are subjected to a condensation reaction to prepare the diazo naphthoquinone photoinitiator, and the photolysis rate of the diazo naphthoquinone photoinitiator is tested. The preparation method specifically comprises the following steps: in an organic solvent, taking tetrahydroxy tetraphenyl ethylene and diazonaphthoquinone sulfonyl chloride as raw materials, and carrying out esterification condensation reaction under the action of a catalyst to obtain the tetrahydroxy tetraphenyl ethylene photoinitiator. The tetrahydroxy tetraphenyl ethylene photoinitiator synthesized by the invention has the following advantages: compared with the traditional photoinitiator, the light sensitivity is obviously improved; the ultraviolet absorption capability is stronger, and the photosensitive performance is more excellent.

This invention discloses a method for synthesizing the naphthoquinone compound Arnebidin, comprising: adding compound 1 to anhydrous dichloromethane under argon protection, and adding pyridine and trifluoroacetic anhydride; stirring the reaction mixture at -30 to -5°C for 10 to 30 minutes, quenching the reaction mixture with water, extracting, combining the organic phases, washing, drying, allowing the organic phase to stand for 24 to 48 hours, removing the solvent under reduced pressure, and purifying the mixture by rapid column chromatography to obtain compound 2; completely dissolving compound 2 in anhydrous tetrahydrofuran, strictly degassing the mixture, stirring the reaction for 24 to 48 hours, and purifying the mixture by rapid column chromatography to obtain the naphthoquinone compound Arnebidin. The reagents used in this method are commercially available and inexpensive, requiring no special processing; the operation is simple, post-processing is straightforward, and product separation costs are low; the core reaction does not require reagents, reducing environmental pollution.

This invention relates to the fields of compound synthesis technology and pesticide technology, specifically to natural naphthoquinone derivatives and their preparation methods and applications. The natural naphthoquinone derivatives are either natural naphthoquinone derivatives containing aryl carboxylic acids or natural naphthoquinone derivatives containing diphenyl ether units. Some of the natural naphthoquinone aryl carboxylic acid derivatives and natural naphthoquinone diphenyl ether derivatives of this invention exhibit 100% control efficacy against six weeds (barnyard grass, crabgrass, foxtail grass, velvetleaf, amaranth, purslane, etc.) at a dosage of 300 a.g. / ha. These compounds achieve good weed control effects at low dosages and have relatively good safety for crops such as corn, wheat, peanuts, soybeans, and cotton. They can be used as selective herbicides in agriculture. The compounds of this invention can be developed and used as potential PSII inhibitors and post-emergence herbicides for broadleaf weeds. The derivatives have simple structures and preparation processes, low production costs, and broad application prospects.

The method comprises the following steps: taking diazonaphthol sulfonyl chloride and a phenolic hydroxyl compound as raw materials, taking aminated polystyrene porous microspheres as an acid-binding agent, and carrying out heat preservation reaction in a polar solvent to obtain a first product; 2, filtering the first product obtained in the step 1, and recovering to obtain aminated polystyrene porous microsphere hydrochloride; carrying out post-treatment on the aminated polystyrene porous microsphere hydrochloride in the step 2 to obtain a crude product diazo naphthoquinone sulfonate; and 3, pulping and washing the crude product diazonaphthoquinone sulfonate in the step 3 with a solvent, filtering, and drying to obtain the product diazonaphthoquinone sulfonate. The synthesis method disclosed by the invention is simple to operate, low in cost, very suitable for industrialization and capable of being widely popularized and used.