40 results about "Terpyridine" patented technology

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.

The invention belongs to the technical field of fluorescent probes, and particularly relates to a fluorescent probe for detecting pyrophosphoric acid or pyrophosphate based on ratiometric fluorescence, a preparation method and application. According to the fluorescent probe, cyclotriphosphazene is taken as a core platform, a naphthalimide-triphenylamine luminophore and a terpyridine recognition unit are introduced, a multi-arm fluorescent probe is integrally formed, coordination terpyridine interacts with metal ions Zn < 2 + >, fluorescence signals are induced to change, and therefore sensitive detection on PPi is achieved. The fluorescent probe has the advantages of quick response, high selectivity, interference resistance and low cost, and has important application value in the fields of environmental science, biological science and the like.

The invention discloses a programmable singlet-triplet exciton regulated molecular platform as well as a preparation method and application thereof, and belongs to the technical field of organic photoelectric materials. The molecular platform comprises a D-sigma-A ligand formed by connecting a carbazole donor unit with a terpyridine receptor unit through a flexible alkyl spacer chain, and a zinc salt complex coordinated with the ligand. By cooperatively regulating and controlling the alkyl spacer chain length and the zinc salt counter ion type, the full-range and continuous accurate modulation of the solution phase singlet state and triplet state exciton population ratio from nearly 0% to about 100% can be realized in a single molecule platform. A series of dissolved oxygen probes can be constructed based on the platform: when an alkyl chain is relatively short, a turn-off probe based on luminous intensity change is formed; when the alkyl chain is long, a self-calibration ratio-type probe based on a characteristic peak intensity ratio is formed. The invention provides a brand new programmable material tool for excited state dynamics research and high-precision optical sensing.

The application provides a preparation method of an ion complex and a supramolecular framework assembly, an artificial solid electrolyte interface phase and a zinc metal anode, and belongs to the field of supramolecular framework assemblies. The ion complex is prepared through ion interaction of a polyoxometalate cluster, coordination of zinc ions and cationic terpyridine and hydrogen bonding of grafted carboxyl groups, so that the three-dimensional SF is constructed in a good crystalline state. The three-dimensional growth of the framework of the ion complex is beneficial to improving the structural stability, while the unique performance is maintained. The ion complex can grow in situ on the zinc surface and further extend laterally to form a defect-free full coverage layer. Through dissolution and post-coordination effect, the 3D SF layer is used as an artificial solid electrolyte interface to improve the performance of the zinc anode. The clusters uniformly distributed in the nanopores of the ion complex form negatively charged nanochannels, which can accelerate the transfer of zinc ions and make the zinc deposition uniform.

The invention relates to the field of underground engineering, in particular to a waterproof corrosion-resistant anti-cracking plugging material for underground engineering as well as a preparation method and application of the waterproof corrosion-resistant anti-cracking plugging material. The problems that an existing plugging material is poor in corrosion resistance and insufficient in anti-cracking capacity are solved. A polyethylene glycol grafted terpyridyl benzotriazole copolymer is added into the plugging material, and the preparation method of the polyethylene glycol grafted terpyridyl benzotriazole copolymer comprises the following steps: firstly, reacting 2, 4-dinitrobenzaldehyde with 2-acetylpyridine, and then reducing with stannous chloride dehydrate to obtain diaminophenyl terpyridyl; the preparation method comprises the following steps: carrying out a series of reactions on 2, 5-methyl benzotriazole to obtain epoxy benzotriazolyl oxadiazole, and carrying out a cross-linking reaction on diaminophenyl terpyridyl, polyethylene glycol diglycidyl ether and epoxy benzotriazolyl oxadiazole to obtain a polyethylene glycol grafted terpyridyl benzotriazole copolymer. The corrosion resistance, crack resistance and impermeability of the material are improved, and the long-term stability and reliability of the material are improved.

The invention relates to an electrochemiluminescence sensor based on an intelligent controlled release-interface capture-self-enhancement mechanism and application of the electrochemiluminescence sensor in procalcitonin detection, and belongs to the technical field of electrochemiluminescence detection. Controllable release of signal molecules is achieved by packaging terpyridyl ruthenium through ZIF-8, meanwhile, a DNA layer rich in guanine is modified on an electrode interface, and the layer can serve as a nano trap to efficiently capture the signal molecules and can also serve as a co-reactant to achieve signal amplification. A DNA strand displacement reaction is utilized to regulate and control a target response release process, and detection is realized according to a quantitative relationship between the concentration of procalcitonin and an electrochemical luminescence signal. A labeling recovery method verifies that the recovery rate of the sensor in a human serum sample reaches 100.6-103.6%, good accuracy and precision are shown, and a reliable platform is provided for clinical detection of inflammatory markers.

The invention belongs to the technical field of organic synthesis, and particularly discloses a terpyridine derivative synthesis method, which comprises: carrying out a hydrolysis / carboxylation reaction on a 2-cyanopyridine derivative under the catalysis of an acidifying agent, the method comprises the following steps: adding a catalyst into a pyridine-2-carboxylic acid derivative in an aprotic polar solvent, and carrying out intermolecular condensation cyclization on the pyridine-2-carboxylic acid derivative; the preparation method comprises the following steps: in the presence of an ammonium salt, constructing a terpyridine skeleton through a dehydration ring-closing reaction of a 1, 5-di (2-pyridyl) pentane-1, 3, 5-triketone derivative; a chlorination reagent is adopted to carry out selective chlorination reaction on a terpyridyl skeleton. According to the synthesis method of the terpyridyl derivative, the economical efficiency, the safety, the environmental protection property and the industrial feasibility are considered, a new path is provided for efficient, green and low-cost preparation of terpyridyl compounds, and the synthesis method has important practical application value and market prospects.

The application belongs to the technical field of chemical medicines and relates to a crystal form of a terpyridine diketone compound shown in formula (I), which is a p38 / MK2 inhibitor, can inhibit the production of a cytokine TNF alpha and is used for treating diseases such as arthritis.

The invention discloses a water-phase visible light catalytic reduction coupling synthesized polysubstituted olefin and a preparation method thereof. The method aims to overcome the dependence on toxic organic solvents, harsh conditions or noble metal catalysts in traditional synthesis. According to the method, a terpyridyl ruthenium complex is used as a photocatalyst, sodium ascorbate is used as a reducing agent, and the method is carried out in a water-phase micelle micro-reaction system formed by a surfactant under mild blue light irradiation and inert atmosphere. According to the system, the synergistic effect of solubilization and enrichment effects of micelles on reactants and catalysts and photocatalytic circulation is utilized, so that the reaction efficiency and selectivity are remarkably improved. The method is mild in condition, environment-friendly and simple and convenient to operate, and a new way is provided for green synthesis of high-added-value fine chemicals and functional molecules.

This invention discloses a dual-site heterovalent metal MOF material for NO adsorption, its preparation method, and its application, belonging to the field of gas adsorption materials. The chemical formula of this material is [Cu]. Ⅰ (Cu Ⅱ )4(2-TPY)2(IA ‑ )3(NO3 ‑ )2I ‑ O 2‑ ]·(NO3 ‑ The material was prepared by a solvothermal method using the reaction of bis(terpyridine), isonicotinic acid, and cuprous iodide. This material possesses a three-dimensional structure and Cu... Ⅰ / Cu Ⅱ The bimetallic active sites exhibit excellent thermal stability, high specific surface area, and highly selective adsorption capacity for NO. This invention solves the problems of low NO adsorption capacity and poor selectivity of traditional adsorbents in complex flue gas, and can efficiently achieve NO / CO separation. It is suitable for the deep removal and resource utilization of NO in industrial waste gas, and has good cycle stability and application prospects.

The invention discloses a preparation method of dynamic metal double coordinate bond cross-linked ethylene propylene diene monomer rubber. Amino-terminated terpyridine and maleic anhydride grafted ethylene propylene diene monomer are subjected to a reaction, terpyridine and carboxyl generated by the reaction are coordinated with ferrous ions, and the double-coordination-bond cross-linked ethylene propylene diene monomer is prepared. On one hand, strong coordinate bonds formed by ferrous ions and terpyridyl effectively improve the mechanical strength and toughness of the elastomer; on the other hand, weak coordination bonds of ferrous ions and carboxyl can accelerate dissociation and recombination of dynamic bonds, and can be used as sacrificial bonds to improve the energy dissipation capability of the material. According to the present invention, the mechanical property, the self-repairing property and the remolding and recycling property of the ethylene propylene diene monomer are regulated and controlled through the synergy of the two metal coordinate bonds, and the preparation method is simple, and has potential application prospects in the fields of aerospace, electronics, buildings and the like.

The invention discloses an actinide metal organic framework material and a preparation method and application thereof, and the preparation method comprises the following steps: adding 2, 2 ': 6', 2 ''-terpyridine-4, 4 ', 4 ''-triformic acid and tetravalent actinide salt into a mixed solvent of an organic solvent and water, adding a nitric acid solution into the obtained mixed solution, carrying out solvothermal reaction at 100-140 DEG C, and carrying out vacuum drying to obtain the actinide metal organic framework material. The actinide metal organic framework material is obtained. According to the preparation method, the synthesis process is simple, convenient and efficient, the product yield is high, reactant types are simple, no additional by-product is generated in the reaction process, the prepared actinide metal organic framework material is excellent in structural stability, and an effective solution is provided for efficient capture and long-term safe storage of radioactive iodomethane in nuclear waste.

The invention discloses a terpyridyl ferrous catalyst derived from terthiophenes and application of the terpyridyl ferrous catalyst in photocatalysis of CO2. The catalyst has a structure as shown in a formula I. According to the catalyst, a light capture unit terthiophene is integrated to a terpyridyl ferrous catalytic center through molecular design to form an integrated structure with a self-sensitization function, and the preparation method comprises the following steps: condensing 2, 2 ': 5', 2 ''-trithiophene-5-formaldehyde and 2-acetylpyridine under an alkaline condition to obtain a ligand; and coordinating with ferrous chloride to obtain the target catalyst. According to the present invention, in the photocatalytic CO2 reduction reaction, the efficient catalysis can be achieved without the addition of the noble metal photosensitizer, the CO conversion number is up to 642, the selectivity exceeds 98%, and the low-cost and high-activity new scheme is provided for solving the dependence on the noble metal in the prior art.

The invention provides an organic-inorganic composite corrosion inhibition material as well as a preparation method and application thereof. The organic-inorganic composite corrosion inhibition material is prepared by carrying out substitution and coordination reaction on two pyridine derivatives TPDP and TPPD and cerium nitrate hexahydrate. The organic-inorganic hybrid corrosion inhibition material constructed through coordination of Ce < 3 + > and modified terpyridyl at 4 sites can form a stable chelation layer on the metal surface, electrochemical corrosion is inhibited, meanwhile, a hydrophobic network is cooperated, the barrier property is enhanced, and the corrosion resistance and durability of an epoxy coating can be effectively improved.

The application discloses a terpyridine zinc complex and a preparation method and application thereof. The terpyridine zinc complex takes transition metal zinc as a central metal ion and takes terpyridine as a polydentate ligand. The terpyridine zinc complex can emit red light and near-infrared light under the excitation of ultraviolet visible light in an aggregated state, can be used as a luminescent material, and can generate active oxygen substances such as singlet oxygen and hydroxyl radicals under the condition of sunlight irradiation, and has good photosensitivity and can be used as a photosensitizer.

The application relates to a detection technology, and particularly discloses a detection technology for specifically recognizing adenosine triphosphate (ATP). A zinc complex probe molecule of terpyridine is obtained by coordination of a terpyridine ligand and a zinc salt, the probe can realize rapid detection of ATP in an ethanol solution system, and the minimum detection limit is as low as 0.15 muM. The detection technology has good specificity, high sensitivity, strong anti-interference ability and good application prospect.

The invention discloses amphiphilic pillararene and application thereof, and belongs to the technical field of chemistry. Amphiphilic column aromatic hydrocarbon with nine trimethylamine salt hydrophilic ends and a terpyridyl hydrophobic end is designed and synthesized, the amphiphilic column aromatic hydrocarbon and Mn (CO) 5Br can be self-assembled in water to form nano particles after being coordinated, and the nano particles have a potential tumor CO treatment effect.

The invention discloses terpyridyl-based dual-network conductive hydrogel and a preparation method and application thereof, and relates to the field of dual-network hydrogel preparation.The terpyridyl-based dual-network conductive hydrogel is prepared by uniformly mixing a carboxyl-containing terpyridyl derivative, hydrazide and metal salt in water, conducting ionic bond cross-linking reaction on carboxyl and hydrazine under the assistance of the synergistic effect of intermolecular hydrogen bonds, and preparing the terpyridyl-based dual-network conductive hydrogel. And finally, the block polymer network is mixed with the metal salt, so that the hydrogel has good conductivity, and metal ions and a terpyridine ring in the hydrogel form a coordination structure, so that the gel structure is more compact, and the conductivity of the hydrogel is improved. And meanwhile, the comprehensive requirements of sufficient mechanical strength, stable and reliable conductivity, simple and feasible preparation process and excellent flexibility and biocompatibility are met, and good application prospects are shown.

This invention discloses a pyrophosphate fluorescent probe, its preparation method, and its application. The fluorescent probe binds to pyrophosphate to produce a selective fluorescent response, exhibiting activity screening for pyrophosphate hydrolases. The pyrophosphate fluorescent probe of this invention has the structure shown in Formula I and is named 4'-(3,5-dimethoxyphenyl)-2,2':6',2”-terpyridine zinc(II) ligand, abbreviated as FL-TPY-Zn. 2+

The invention relates to the technical field of fluorescence sensing, in particular to a zinc (II) metal organic framework material for Cu < 2 + > and NB detection and organic dye photocatalytic degradation and a preparation method. The metal organic framework material [Zn (cpt) 2] n based on metal zinc (II) is prepared through a one-pot hydrothermal reaction, the single crystal molecular formula of the metal organic framework material [Zn (cpt) 2] n is C56H36ZnN6O6, a ligand is deprotonated Hcpt, and Hcpt is 4 '-(4-(4-carboxyl phenoxy) phenyl)-4, 2': 6 ', 4' '-terpyridyl. The preparation method has the advantages of mild conditions, simplicity and convenience in operation, high yield, good repeatability and the like. The prepared zinc (II) metal organic framework material has good structural stability and fluorescence characteristics, has high selectivity and sensitivity to Cu < 2 + > and nitrobenzene (NB), and is a good fluorescence sensor for detecting Cu < 2 + > and nitrobenzene; meanwhile, the zinc (II) metal organic framework material has good performance of photocatalytic degradation of organic dye and has a good photocatalytic degradation effect on the organic dye rhodamine B.

The application belongs to the technical field of new materials, and particularly relates to a Fe(II) spin crossover complex, a crystal and a preparation method and application thereof. The complex has a molecular formula of [Fe(L 1 )(L 2 )]2(ClO4)4·1.5H2O; a ligand L 1 is trans-4-pentylcyclohexyl-2,6-di(1H-pyrazol-1-yl)isonicotinate; a ligand L 2 is 6,6''-2,6-dimethoxyphenyl-substituted terpyridine; the ligand L 1 of the application is a unique rigid head-flexible tail structure, which is helpful to guide a more ordered packing effect; the ligand L 2 provides a highly rigid and planar structural unit, overcomes the crystallization difficulty of a flexible ligand, and stabilizes a supramolecular structure; the obtained crystal exhibits a unique crystal packing and spatial configuration in a spin state transition process at different temperatures, and realizes optimization of a molecular structure and regulation of spin transition characteristics.

The invention discloses a soil cleaning agent and a preparation method thereof. The soil cleaning agent comprises a composite surfactant and pyridinium salt in a mass ratio of (15-25): 1, the composite surfactant comprises fatty alcohol-polyoxyethylene ether ammonium sulfate, sodium laureth sulfate and lauryl sodium sulfate in a mass ratio of 1: (1-3): (0.5-2); the pyridinium salt is prepared by carrying out nucleophilic substitution on 4 '-(4-pyridyl)-2.2': 6 '2 ''-terpyridyl and 5-bromomethyl-dimethyl isophthalate in a N, N-dimethyl formamide solvent. The invention further provides a combined contaminated soil cleaning method using the soil cleaning agent. According to the cleaning method for the combined polluted soil, the removal rate of the TPH after cleaning can reach 85% or above, the removal rate of all the heavy metals is 94% or above, and low-temperature short-process synchronous removal of the heavy metals and the petroleum hydrocarbons in the combined polluted soil is achieved.

This invention relates to the field of lithium / sodium-ion batteries, specifically to a polymer electrolyte with strong coordination of transition metal ions and its application (in high-voltage lithium / sodium-ion batteries). The polymer electrolyte is obtained by in-situ polymerization of an electrolyte precursor solution containing a terpyridine structure with strong coordination of transition metal ions, or a monomer containing a terpyridine structure with strong coordination of transition metal ions and other monomers. The polymer electrolyte membrane of this invention exhibits both 200%–500% elongation at break and 3–20 MPa tensile strength. This electrolyte has an oxidative decomposition voltage of 5.0–6.0 V, making it suitable for high-voltage lithium / sodium-ion battery systems, and demonstrating significant advantages in suppressing transition metal ion dissolution, improving long-cycle stability, and rate performance.

A lithium extraction agent for lithium precipitation mother liquor includes a solute and an organic solvent. The solute includes at least one of 2,3,7,8-tetraaminophenazine-1,4,6,9-tetrone and terpyridine, and the organic solvent includes at least one of dichloromethane, chloroform, carbon tetrachloride, bromobenzene, and carbon disulfide. The lithium extraction agent can be used to extract lithium from the lithium precipitation mother liquor with a wide pH range. After entering the lithium extraction agent, lithium ions quickly complex with the solute in the lithium extraction agent to form a solid phase. It only requires leaving the extracted mixture A to stand for phase separation, allowing lithium to exist in a lithium-containing solid complex in the lower oil phase, and filtering the lower oil phase to obtain the lithium-containing solid complex, and the lithium-containing solid complex has a low sodium residue content.

This invention relates to the polymerization of carbazole terpyridine oxidized by ferric chloride. Following methanol quenching, ammonia washing, and Soxhlet extraction with methanol, the corresponding oxidized carbazole terpyridine ligand is obtained. This ligand is then refluxed with anhydrous nickel bromide in methanol for 12 hours. After methanol washing, filtration, Soxhlet extraction, and drying, the corresponding oxidized carbazole terpyridine nickel catalyst is obtained. This oxidized carbazole terpyridine nickel catalyst exhibits excellent catalytic activity in visible light-promoted C-N, C-O, and C-S coupling reactions.

The invention relates to a rare earth terbium-based metal organic framework fluorescent probe, preparation and application of the rare earth terbium-based metal organic framework fluorescent probe in detection of ciprofloxacin in a water environment. The structural formula of the rare earth terbium-based metal organic framework fluorescent probe is [Tb2 (TFPA) 3 (Terpy) 2 (H2O) 3] n 2nEtOH, Tb < 3 + > serves as a rare earth sensitization luminescence center, tetrafluoroisophthalic acid (TFPA) and terpyridine (terpy) serve as mixed ligands, and the rare earth terbium-based metal organic framework fluorescent probe is synthesized in a mixed solvent of water and ethyl alcohol through a normal-temperature volatilization method. The preparation method is mild in condition and convenient to operate. The obtained Tb-MOF fluorescent probe shows high-selectivity fluorescence recognition capability on antibiotic ciprofloxacin (Cip), and has the advantages of high detection sensitivity (the detection limit is 26.17 nM), short response time (2 minutes), macroscopic fluorescence change and the like. The invention provides an effective means for rapid and high-sensitivity detection of ciprofloxacin in a water system.

The invention provides a crystalline-state bipyridine electron transport material, a preparation method thereof and an application of the crystalline-state bipyridine electron transport material in an organic electroluminescent device, belongs to the technical field of organic electroluminescence, and particularly relates to a series of electron transport materials which are orderly in molecular arrangement and easy to crystallize and are constructed by taking terpyridine as a core framework and connecting a specific R group. When the organic electroluminescent device is used as an electron transport layer, the electron mobility can be effectively improved, the long-term annealing effect in the working process of the device is inhibited, the device shows higher efficiency and longer service life, and meanwhile, Joule heat generated in the working process of the device can promote generation of a crystalline state of the electron transport layer, so that the efficiency of the device is improved. And the generation of the crystalline state can reversely absorb the Joule heat of the device, so that the thermal management of the device is realized, the method can be adapted to the current mature evaporation process, and the preparation complexity is greatly simplified.

The invention belongs to the technical field of supramolecular structure chemistry, and provides an innovative method for regulating and controlling a molecular assembly structure on a metal surface through alkali metal salt. The method comprises the following steps: in an ultra-vacuum environment, depositing terpyridyl tricarboxylic acid (2, 2 ': 6', 2 ''-Terpyridine-4, 4 ', 4' '-tricarboxylic acid, TATP) molecules on the surface of a metal single crystal by adopting a thermal evaporation technology; and then, alkali metal salt is deposited on the surface of the metal single crystal, and through further annealing treatment, the alkali metal salt generates electrostatic interaction with the organic molecules on the metal surface, so that the controllable regulation and control of the TATP molecular assembly structure are realized. The structure realizes atomic-scale resolution characterization through a low-temperature scanning tunneling microscope (LT-STM), shows ordered arrangement and intermolecular interaction characteristics different from those when alkali metal salt is not introduced, and has good structural stability and functionalization potential.

The application discloses application of a carboxyl-modified terpyridine ruthenium complex in electrochemiluminescence immunoassay for non-diagnostic or non-therapeutic purposes, and belongs to the field of high polymer synthesis chemistry.The carboxyl-modified terpyridine ruthenium complex is shown as follows: The application further includes a preparation method of the carboxyl-modified terpyridine ruthenium complex, which has low preparation cost, simple purification and high efficiency.The terpyridine ruthenium complex can be used for specific modification of proteins due to the introduction of the carboxyl group, and can also be used as an electrochemiluminescence reagent.The terpyridine ruthenium complex is efficiently labeled with proteins by using DMT-MM as a condensing agent, and has high labeling efficiency, simple operation and low cost, and has a wide application prospect in the field of labeled immunoassay.

The application belongs to the technical field of pharmaceutical chemistry synthesis, and particularly relates to a phenanthroimidazole terpyridine ruthenium compound and a preparation method and application thereof. The core structure of the phenanthroimidazole terpyridine ruthenium compound is [Ru(L1)(L2)Cl]PF6, wherein L1 is a 4'-substituted-2,2':6',2"-terpyridine ligand, and L2 is a 6-substituted-3-(1H-imidazo[4,5-f][1,10]phenanthroline-2-yl)-4-oxo-4H-benzopyran. The application provides a chromone-modified phenanthroimidazole terpyridine Ru(II) series compound and a preparation method thereof. The method is simple and easy to implement, and does not need steps such as column chromatography. According to the data results of the embodiments of the application, the compound provided by the application has a good inhibitory effect on Staphylococcus aureus.