244 results about "Bipyridine" patented technology

The invention discloses a preparation method of a modified lithium titanate battery negative electrode material. The preparation method comprises the following steps: S1, weighing zirconium chloride and benzoic acid, dissolving the zirconium chloride and benzoic acid in N, N-dimethylformamide, and mixing to obtain a first solution; s2, weighing 2, 2 '-bipyridine-5, 5'-dicarboxylic acid formic acid, dissolving the 2, 2 '-bipyridine-5, 5'-dicarboxylic acid formic acid into N, N-dimethylformamide, and mixing to obtain a second solution; s3, adding the first solution into the second solution, uniformly mixing, and reacting to obtain a third solution; s4, the third solution is subjected to suction filtration, washing and drying, and powdery UiO-bpy is obtained; s5, weighing lithium titanate powder and UiO-bpy, dissolving the weighed lithium titanate powder and UiO-bpy in ethanol to obtain a fourth solution, and drying the fourth solution to obtain an intermediate sample; and S6, heating the intermediate sample in a tubular furnace under the protection of Ar atmosphere, and cooling to obtain the battery negative electrode material UiO-bpy (LTO), thereby solving the problems of low electronic conductivity, poor rate capability and insufficient energy density of the lithium titanate (LTO) negative electrode material.

To provide a method for producing a bipyridine derivative, which enables obtaining a high-purity target compound (including an intermediate) without performing purification by column chromatography, provides a high yield, and is industrially advantageous.SOLUTION: A method for producing a bipyridine derivative represented by formula (3) comprises a step of obtaining a metal complex as an intermediate. In the formula, each of R13 to R20 is a hydrogen atom or a substituent; a plurality of R13 to R20 may be the same or different; at least one of six R14 to R16 is a substituent; at least one of two R17 is a hydrogen atom; any two substituents of R13 to R20 may be linked to each other to form a ring; R17 to R20 may contain a pyrrolyl group which may contain a halogen atom or a substituent; and at least one of R14 to R16 may have a halogen atom or a substituent.SELECTED DRAWING: None

A 1,10-phenanthroline derivative or a 2,2′-bipyridine derivative having different substituents at symmetrical positions is provided. An organic compound represented by General Formula (G1) or General Formula (G2) below is provided. In General Formula (G1) or (G2) below, any one of X2 to X5 or any one of X6 to X9 represents a halogen or a trifluoromethanesulfonyl group, and the others represent hydrogens. Any one of R2 to R5 or any one of R6 to R9 represents an aliphatic cyclic amino group. Note that a carbon to which the halogen or the trifluoromethanesulfonyl group is bonded and a carbon to which the aliphatic cyclic amino group is bonded are at line-symmetrical positions in a main skeleton (a 1,10-phenanthroline skeleton or a 2,2′-bipyridine skeleton).

The present application relates to the field of analytical chemistry, in particular to a method for detecting ten tobacco alkaloids in soil, which uses sodium hydroxide solution and acetonitrile to extract alkaloids in a soil sample, and uses ultra-high performance liquid chromatography-triple quadrupole mass spectrometry to analyze and detect nicotine, nornicotine, myosmine, pseudotropine, anatabine, anabasine, 2,3'-bipyridine, noranatabine, N-methyl pseudotropine and nornicotine, and uses an internal standard method for quantitative analysis. The present application uses sodium hydroxide solution as an alkaloid eluent and acetonitrile as an extractant, which reduces the amount of solvent used, optimizes the operation process, uses sodium chloride to separate the organic phase and the aqueous phase, improves the sample pretreatment efficiency, uses ultra-high performance liquid chromatography-triple quadrupole mass spectrometry to target analysis of 10 tobacco alkaloids, greatly improves the detection sensitivity, and has strong quantitative ability in targeted analysis.

The application discloses an 8-hydroxyquinoline anticancer zinc (II) complex and a synthesis method and application thereof. The 8-hydroxyquinoline anticancer zinc (II) complex is synthesized by taking 5,7-diiodo-8-hydroxyquinoline, 5,7-dichloro-8-hydroxyquinoline, 5-chloro-7-iodo-8-hydroxyquinoline, 5,7-dibromo-8-hydroxyquinoline and 5-chloro-8-hydroxyquinoline as a first ligand and taking 4,4'-dimethoxy-2,2'-bipyridine, 4,4-di-tert-butyl-2,2-bipyridine, 5,5'-dimethyl-2,2-bipyridine, 2,2-bipyridine and 4,4'-dimethyl-2,2'-bipyridine as auxiliary ligands. The 8-hydroxyquinoline anticancer zinc (II) complex has good inhibiting effect on SK-OV-3CR cells of an ovarian cancer drug-resistant strain, is higher than that of cisplatin drugs, overcomes drug resistance of clinical drugs, has potential medicinal value and can be used for preparation of various antitumor drugs.

The invention discloses a preparation method of a portable paper-based ratiometric fluorescence sensor APBA-CsPbBr3 at-UiO-66 / Ru, which comprises the following steps: 1, adding lead bromide and cesium bromide into N, N-dimethylformamide, then adding 5-bromovaleric acid and an oleylamine ligand, and stirring; 2, perfluorooctyltriethoxysilane is added, and a precursor solution is obtained; 3, adding zirconium chloride and terephthalic acid into N, N-dimethylformamide to obtain a homogeneous solution; 4, after heating, UiO-66 is obtained; 5, stirring the precursor solution, APBA, UiO-66 and tris (2, 2-dipyridyl) ruthenium chloride hexahydrate to obtain a composite material; and 6, dropwise adding the composite material solution into the filter paper. The APBA modified material is adopted as a recognition unit, the APBA modified material and the paper base construct a fluorescence sensing platform, visual quantitative analysis of oxytetracycline in water is achieved, and the device is convenient to carry, low in detection limit, high in anti-interference performance, easy and convenient to operate and suitable for on-site rapid detection of oxytetracycline.

A curcumin nanococrystal composition including curcumin, a coformer, and a stabilizer. The coformer may include at least one of 3,5-dinitrobenzoicacid, gentisic acid, phloroglucinol, 4,4-bipyridine, tartaric acid, citric acid, and gallic acid. The curcumin nanococrystal composition has a particle size less than 10 nm, and the curcumin has a water-solubility between 5 mg / ml and 20 mg / ml.

The invention relates to the technical field of DNA intercalating agents, in particular to a near-infrared luminous ruthenium (II) complex, a preparation method thereof and application of the complex as a DNA intercalating agent. The preparation method comprises the following steps: firstly, preparing a precursor 4 '-(1H-benzimidazole-2-yl)-2, 2': 6 ', 2' '-terpyridyl; then, preparing a target precursor, namely, 2-(4-(anthracene-10-yl)-6-(pyrazine-2-yl) pyridine-2-yl) pyrazine as a ligand; and finally, synthesizing a complex [Ru (An-di (2-Pz) Py) (Bitpy)]. The complex is inserted into a DNA base pair as an intercalating agent, has very strong interaction with DNA, and provides basic research for researching the interaction mode of the ruthenium (II) polypyridine complex of the tridentate ligand and DNA and taking the ruthenium (II) polypyridine complex as a diagnosis and treatment reagent.

The present application relates to a kind of catalyst composition and its application in catalytic preparation optically active secondary alcohol, the catalyst composition includes chiral ionic bridged aryloxyalkane rare earth complex and additive, the additive is selected from one or more of pyrimidine, N,N-dicyclohexylmethylamine, 4,4'-dipyridyl.The above-mentioned catalyst composition can be used for synergistically catalyzing asymmetric borohydration of chalcone and its derivatives with pinacol borane, and show high catalytic activity and high enantioselectivity, product yield is as high as 99%, ee value can reach 84%, provide a reliable new way for the efficient, high selective synthesis of optically active secondary alcohol.

The invention belongs to the technical field of oil exploitation, and particularly relates to a clay stabilizer for an oil field as well as a preparation method and application thereof. The preparation method comprises the following steps: adding 1, 1 '-bis (4-aminophenyl)-[4, 4'-dipyridyl]-1, 1 '-ammonium dichloride, DMF (Dimethyl Formamide), triethylamine and (3-chloropropyl)-trimethyl ammonium chloride into a reactor, and carrying out a first heat preservation reaction; adding chloroalkane into the reactor, and carrying out a second heat preservation reaction; adding diacyl chloride into the reactor, and carrying out a third heat preservation reaction; and carrying out reduced pressure distillation to remove DMF to obtain a clay stabilizer crude product, adding water and ethyl acetate, fully mixing, separating out ethyl acetate, and carrying out reduced pressure distillation to obtain the clay stabilizer. The clay stabilizer has the advantages of high anti-swelling rate and washing resistance, the anti-swelling rate reaches 97% or above, and the washing anti-swelling rate reaches 93.5% or above.

The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer's disease, schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 3-((1H-pyrazol-4-yl)methyl)-6′-(phenyl)-2H-(1,2′-bipyridin)-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 83 to page 110; examples 1 to 33; reference example 1; test examples 1 and 2; tables 1 to 4).

The application discloses an organic-inorganic composite modified concrete external curing agent and a preparation method thereof. The organic-inorganic composite modified concrete external curing agent is prepared by mixing 100-150 parts by weight of polyvinyl ether terpyridine modified styrene-acrylic emulsion, 8-16 parts by weight of sodium silicate nonahydrate, 15-30 parts by weight of polyethylene glycol, 1-1.5 parts by weight of a defoaming agent, 1-1.5 parts by weight of a leveling agent and 20-50 parts by weight of deionized water. The application is sprayed or coated on the surface of concrete, can quickly form a thin layer of dense film on the surface, has good environmental adaptability, can effectively work under various climate conditions, ensures that the internal moisture of concrete is retained, promotes the full hydration of cement, and thus improves the overall performance of concrete and prolongs the service life of concrete. Meanwhile, the cost effectiveness and environmental friendliness of the application are good, which is helpful to realize the sustainable development goal of concrete construction and maintenance.

This invention discloses a soft pad material for hair transplant fixation and reinforcement, and its application in plush toys. It belongs to the technical field of soft pad materials. The soft pad material provided by this invention includes a polyester fiber mesh and a soft material wrapped around the surface of the polyester fiber mesh. The soft material includes at least one of PVC, TPU, TPE, rubber, silicone, and their composites. The polyester fiber mesh is obtained by polymerizing a diacid monomer and an ethylene glycol monomer in a molar ratio of 1:(1.2-1.5). The diacid monomer, by molar part, includes 30-50 parts of semi-aromatic diacid, 40-60 parts of terephthalic acid, and 5-10 parts of 3-3'-bipyridine-5.5'-dicarboxylic acid. The soft pad provided by this invention achieves efficient reinforcement of the soft material through the polyester fiber mesh, balancing the material's flexibility and mechanical properties, enabling the soft pad to meet high pull-out force while also possessing excellent puncture resistance.

This invention discloses a bipyridine derivative for the separation of lanthanum and actinide and its preparation method, belonging to the field of organic synthesis technology. The method first dissolves bipyridine OSU in DMSO, then adds it to a reaction solution, and stirs at room temperature to obtain a homogeneous solution. Next, a crystallization solvent is slowly added to the mixed solution, and the precipitated crystals are sequentially filtered, washed, and dried to obtain the bipyridine derivative. The bipyridine derivative is 6,6'-bis(N-hydroxyethylformyl)-2,2'-bipyridine or 6,6'-bis(N-hydroxybutylformyl)-2,2'-bipyridine. The target product synthesized by this method has good solubility in water, effectively improving the product's dispersibility. After complete dissolution, the product exhibits significant actinide ion selectivity due to the presence of a soft coordinating atom N in the ligand molecule, which allows it to complex with trivalent actinide ions more strongly than trivalent lanthanide ions.

The application belongs to the technical field of biological medicine, and relates to a bipyridine compound, a preparation method thereof and application of the bipyridine compound in preparation of an AChE inhibitor. A chemical structural formula of the bipyridine compound is provided. The bipyridine compound provided by the application has AChE inhibitory activity, and the AChE inhibitory activity of the bipyridine compound is significantly higher than that of an existing clinical drug (such as galantamine), thereby providing a drug with better effect for treatment of Alzheimer's disease.

The invention discloses a Zr-doped nickel-based electrocatalyst based on a 4, 4 '-dipyridyl chelating ligand and a preparation method and application thereof.The Zr-doped nickel-based electrocatalyst is characterized in that Ni < 2 + > serves as a central metal ion, 4, 4'-dipyridyl serves as the chelating ligand, and a stable coordination structure is constructed; zr is introduced as a doping element, and the electron density and the coordination environment of the catalyst are regulated and controlled by adjusting the doping proportion of Zr; and carbon fiber paper is used as a load electrode. A supported catalyst is prepared by using a constant-current electrodeposition method under a three-electrode system, and the catalyst is directly deposited on the surface of carbon fiber paper to form a self-supporting structure. The preparation method is simple in process, can be amplified on a large scale, and does not need a high-temperature roasting or complex solvent heat treatment step. The obtained catalyst is used for preparing adipic acid by electrocatalytic oxidation of cyclohexanol under an alkaline condition, and shows excellent catalytic activity and selectivity. The invention provides a green, efficient and low-cost adipic acid electrocatalytic synthesized novel electrocatalytic material, and the novel electrocatalytic material has a good industrial application prospect.

The application provides an electrolyte and a battery comprising the electrolyte, wherein the electrolyte comprises a sulfuryl bipyridine compound as a first additive, the first additive has a lower LUMO orbital and a higher HOMO orbital, is easy to be oxidized and reduced, and generates an interface film on the surface of the positive and negative electrodes, the interface film has the characteristics of high inorganic component content, high stability, and rich in S atoms and N atoms, can improve the transmission efficiency of lithium ions, and thus can improve the cycle performance of the battery; meanwhile, the first additive and the pyridine derivative which has formed a film are easy to have a polymerization reaction under the limit working condition of thermal shock, delay the short circuit of the positive and negative electrodes, block the aggravation of the side reaction, and effectively improve the thermal shock performance.

The application provides a kind of biscalbazoles compound and its organic electroluminescent device, belong to organic electroluminescent technical field.The biscalbazoles compound provided by the application has suitable HOMO energy level and triplet energy gap, can make the device inside have higher internal quantum efficiency, and further improve the luminous efficiency of organic electroluminescent device, while the compound has good thermal stability, when it is applied to organic electroluminescent device, can further prolong the service life of device.The biscalbazoles compound and its organic electroluminescent device have good application effect and industrialization prospect.

The application belongs to the field of medicine and chemical industry, and discloses a mycophenolic acid medicine co-crystal and a preparation and application thereof. The co-crystal is prepared from mycophenolic acid and 4,4-bipyridine as raw materials. The co-crystal is a stoichiometric ratio diversity co-crystal. In the molecular structure of the co-crystal, the amount of substance of mycophenolic acid and 4,4-bipyridine is 1:1 or 2:1. The two kinds of mycophenolic acid medicine co-crystals prepared by a grinding method, a room temperature evaporation method or a slurry method are diversity co-crystals, and the diversity of the mycophenolic acid co-crystal has never been reported. The application solves the problems of poor stability and high hygroscopicity of mycophenolic acid, and the prepared co-crystal has low hygroscopicity and good stability.

The invention relates to the technical field of adsorption materials, and particularly discloses a molecularly imprinted hydrogen bond organic framework adsorption material as well as a preparation method and application thereof. According to the material, tetra (4-sulfonyl phenyl) methane and 1, 1 '-diamino-4, 4'-dipyridyl diiodide are used as construction units to form a hydrogen bond organic framework substrate, and a hemp essence drug template molecule is introduced to construct a specific imprinting hole in the hemp essence drug template molecule. The preparation method is characterized in that the molar ratio X of template molecules to tetra (4-sulfonyl phenyl) methane is controlled to be 0.05-0.5, crystallization is performed in a water / methanol mixed solvent, and then elution and activation are performed through an acid solution with the pH being 2-4. The material has the advantages of high adsorption capacity, no less than 58 mg / g of template molecule adsorption capacity, high selectivity and rapid adsorption kinetics, achieves balance within 5 minutes, can efficiently enrich trace hemp extract drugs from a water environment or biological fluid, and solves the technical problem that the selectivity, the capacity and the mass transfer rate of the existing adsorption material are difficult to consider at the same time.

A catalyst for coupling pyridine to prepare 2,2-bipyridine and a preparation method thereof, relates to the technical field of catalyst preparation. The catalyst takes nickel oxide as an active component, enhances the basicity of the catalyst surface by introducing an auxiliary element, loads the active component on alumina by a deposition precipitation method, and is prepared by kneading and extruding into a strip. The method is simple in preparation and low in cost. The obtained catalyst can make the conversion rate of pyridine reach 14.98% and above under low temperature reaction conditions of 110 DEG C, the selectivity of 2,2-bipyridine is as high as 80% and above, and the catalyst has good catalytic activity and application prospect.

The invention belongs to the technical field of organic synthetic chemistry, and discloses a method for efficiently synthesizing methyl 2-chloro-3-oxovalerate. According to the method, high-selectivity chlorination is performed on a beta-site C-H bond of methyl 3-oxovalerate under a mild condition by taking sodium chloride as a chlorine source and adopting a dual-catalysis system consisting of engineered halogenase and a visible light-sensitive catalyst under visible light irradiation. The engineered halogenase is a HalB triple mutant, and the affinity and regioselectivity of a substrate are remarkably improved; the photosensitive catalyst is a ruthenium bipyridine complex and synergistically drives generation of chlorine free radicals. According to the invention, a brand new biological-photochemical synergistic catalysis platform is constructed by organically combining the substrate recognition capability of the engineered halogenase and an electron transfer mechanism driven by visible light catalysis, so that the contradiction among selectivity, mildness and atomic efficiency of a traditional chlorination method is solved; and the method can be expanded to precise synthesis of other beta-functionalized ketone ester compounds.

The application discloses an olefinic COF catalyst, a preparation method thereof and application of the catalyst in photocatalytic production of hydrogen peroxide. The catalyst is prepared from 2,2',6,6'-tetramethyl-4,4'-bipyridine and an aromatic aldehyde monomer containing two aldehyde groups through a Knoevenagel condensation reaction under a solvent-free condition, and has an olefinic covalent organic framework structure. The preparation method of the application does not need to add any solvent, is simple in operation, mild in reaction condition and easy to scale up, and has significant commercialization potential. The prepared catalyst has a highly conjugated two-dimensional layered porous structure, excellent light absorption capacity and light-generated carrier separation efficiency. When the catalyst is applied to photocatalytic decomposition of water to produce hydrogen peroxide, the catalyst exhibits excellent catalytic activity, and the hydrogen peroxide production rate can reach 1125 μM h ‑1 The application provides a new scheme of green, efficient and industrialized prospect for solving the problems of high energy consumption and high pollution of the traditional hydrogen peroxide production method.

The application provides application of a chiral MOFs material in electrochemical recognition of histidine enantiomers, and belongs to the technical field of chiral recognition. The inorganic metal center of the chiral MOFs material is a transition metal ion, and the organic ligand is a chiral carboxylic acid ligand and 4,4'-bipyridine. The principle of the chiral MOFs material for electrochemical recognition of histidine enantiomers is to construct a chiral microenvironment, to utilize the weak interaction between the chiral material and the guest molecules, and to realize the recognition of amino acid enantiomers by utilizing the stereoselectivity of host-guest interaction. The material can be used for chiral recognition of amino acid enantiomers, and the application range of the chiral MOFs material is expanded. Under the current recognition condition, the material has obvious chiral recognition effect on histidine enantiomers, and has good substrate selectivity for the recognition of histidine.

The invention discloses a CPN-Y2-Cl cation framework material as well as a preparation method and application thereof. The CPN-Y2-Cl cation framework material is constructed by carrying out quaternization reaction on tetra (1-imidazole phenyl) ethylene and 5, 5 '-bromomethyl-2, 2'-dipyridyl, and is obtained by carrying out anion exchange. The material has rapid and efficient adsorption performance on I3 <-> in a water phase, and still shows good selectivity in the presence of various competitive anions. Meanwhile, the material has obvious fluorescence quenching in the process of acting with I3 <->, and rapid detection of I3 <-> in water can be realized. The material designed by the invention is stable in performance, the preparation process is simple and convenient, and the prepared organic cation framework material has dual functions of adsorption and fluorescence recognition, and has a wide application prospect in the fields of treatment and real-time monitoring of radioactive iodine polluted water.

The invention discloses a preparation method of a full-organic ionic liquid confinement nano catalytic material and application of the full-organic ionic liquid confinement nano catalytic material in photocatalytic CO2 methanation, and belongs to the technical field of photocatalytic materials. The invention aims to solve the problems that the existing photocatalytic material is small in specific surface area and insufficient in active sites due to difficulty in regulation and control of microstructure and pore structure, environmental and biological toxicity is caused by dependence on noble metal / transition metal, and preparation of CH4 by photocatalytic CO2 reduction is restricted. The method comprises the following steps: 1, preparing 5, 5 '-(benzo [c] [1, 2, 5] thiadiazole-4, 7-diyl) bipyridine aldehyde; 2, preparing a pyridine tricarboxylate ionic liquid; 3, PTZpy is prepared; 4, preparing PTZpy (+); and 5, preparing the IL (at) PTZpy (+) nano catalytic material. The catalyst is applied to preparation of methane by photocatalytic reduction of carbon dioxide under visible light irradiation and a pure water system. The method has a good application prospect in the fields of solar fuel preparation and carbon resource conversion.

Provided are: an organic compound of a 1, 10-phenanthroline derivative or a 2, 2 '-dipyridyl derivative, which has substituents at symmetrical positions and which are different from each other; and a method for synthesizing the organic compound of the 1, 10-phenanthroline derivative or the 2, 2'-dipyridyl derivative. Provided is an organic compound represented by general formula (G1) or general formula (G2). In general formula (G1) or general formula (G2), any one of X2 to X5 and X6 to X9 is a halogen or a trifluoromethanesulfonyl group, and the others are hydrogen. In addition, any one of R2 to R5 or R6 to R9 is an aliphatic cyclic amino group. Note that the position of a carbon substituted by a halogen or a trifluoromethanesulfonyl group and the position of a carbon substituted by an aliphatic cyclic amino group are axisymmetric positions in the main skeleton (1, 10-phenanthroline skeleton or 2, 2 '-bipyridine skeleton).

The invention belongs to the technical field of chemical analysis and detection. The invention provides a platinum complex fluorescent probe as well as a preparation method and application thereof in detection of water. The chemical formula of the platinum complex fluorescent probe is C23H16ClN3Pt; the preparation method comprises the following steps: 1, under the protection of argon, mixing terpyridine, potassium tetrachloroplatinate, deionized water and dimethyl sulfoxide in a round-bottom flask, heating, stirring, carrying out reflux reaction, cooling to room temperature, adding concentrated hydrochloric acid, carrying out suction filtration to obtain a precipitate, and drying to obtain Pt-Cl; 2, Pt-Cl, phenylacetylene, cuprous iodide, N, N-dimethylformamide and triethylamine are mixed into a round-bottom flask, then argon is pumped and replaced for multiple times, after a reaction, suction filtration is conducted, precipitates are obtained, washing and drying are conducted, and the catalyst is obtained. The platinum complex fluorescent probe is applied to detection of water and has the advantages of specific selectivity, high sensitivity, wide detection concentration range and the like, so that the detection can better meet the current requirements.

The application belongs to the technical field of heterocyclic compound preparation, and particularly relates to a kind of bipyridine diamine ligand and its preparation method.The application provides bipyridine diamine ligand with I, II, III, IV structure, by improving the preparation process of the ligand, i.e., introducing N-containing group in the last step of reaction, reducing the polarity of the reaction product of the first two steps, and also increasing the polarity difference between the raw material and product of the third step reaction, with the advantages of simple synthesis method, easy product separation, etc.In addition, the yield of the first and second steps in the method of the application is extremely high, especially the yield of the intermediate product in the second step is close to 100%, and the yield of the product is as high as 85% in the reaction of halogenated hydrocarbon and corresponding diamine compound in the third step, because the steric hindrance of halogenated hydrocarbon is large, the generation of quaternary ammonium salt is effectively inhibited, and the yield of the product is improved.

The application relates to the field of adsorption separation, in particular to a novel ion type bipyridyl group COF material and a preparation method and application thereof. The preparation method comprises the following steps: mixing 2,2',6,6'-tetramethyl-4,4'-bipyridine, 2,2'-bipyridine-5,5'-diformaldehyde, sodium hydroxide, trimethylbenzene and methanol to carry out reaction 1, and COF-CQWU-2 is obtained; the COF-CQWU-2 is placed in a mixed solution of iodomethane and chloroform to carry out reaction 2, and the novel ion type bipyridyl group COF material is obtained. The application successfully designs and prepares a novel ion type bipyridyl group COF material I@COF-CQWU-2 for removing perfluorinated compounds in water, the COF material has the advantages of simple preparation method, high adsorption capacity and recyclability, and the target of selectively adsorbing perfluorinated compounds from water is achieved.