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73 results about "Diazanaphthalene" patented technology

Diazanaphthalenes are a class of aromatic heterocyclic chemical compounds that have the formula C₈H₆N₂. They consist of a naphthalene double ring in which two of the carbon atoms have been replaced with nitrogen atoms. There are ten positional isomers, which differ by the locations of the nitrogen atoms.

Poly(phthalazinone ether nitrile) having antibacterial properties, and surface modification method of poly(phthalazinone ether nitrile) having antibacterial properties

The invention belongs to the field of medical high molecular biomaterials, and particularly relates to a surface antibacterial and modified polyarylene ether nitrile antibacterial material containinga diazanaphthalene terphenyl structure, and a preparation method of the surface antibacterial and modified polyarylene ether nitrile antibacterial material containing a diazanaphthalene terphenyl structure. The material is prepared through performing chemical bonding of an antibacterial activity coating on the plane surface or a three-dimensional surface of poly(phthalazinone ether nitrile), wherein the antibacterial activity coating comprises a cation antibacterial polypeptide layer having antibacterial activity, and cation antibacterial polypeptide is fixed to the surface of the poly(phthalazinone ether nitrile) by a chemical bonding method. Under the premise that the mechanical properties of the polyarylene ether nitrile are not influenced, the biocompatibility of the polyarylene ethernitrile material can be improved, the polyarylene ether nitrile material has the antibacterial properties, the preparation method is simple, and the polyarylene ether nitrile material is suitable forbeing applied to the field of biologic medical materials.
Owner:DALIAN UNIV OF TECH

5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds, dimer compounds of 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds, and preparation method and use of 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds and dimer compounds of 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds

The invention discloses 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds, dimer compounds of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds, a preparation method and use of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds and the dimer compounds of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds, and pharmaceutical compositions containing the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds. More specifically, the invention discloses the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds expressed by structural formulae I and II or III, the dimer compounds of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds and the preparation method of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds and the dimer compounds of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds, and provides the use of the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds and the pharmaceutical compositions containing the 5,8-disubstituted-1,6-naphthyridine-7-carbonyl amide compounds in the treatment of diseases related to protein tyrosine kinase, in particular to c-Src, such as tumor diseases, by serving as a multi-target spot protein tyrosine kinase inhibitor.
Owner:SHANGHAI INST OF MATERIA MEDICA CHINESE ACAD OF SCI

Polycyclic aromatic hydrocarbon aza-naphthalene derivative, synthesis method and electronic device thereof

The invention relates to the technical field of organic photoelectric materials, in particular to a polycyclic aromatic hydrocarbon aza-naphthalene derivative, a synthesis method thereof and an electronic device containing the polycyclic aromatic hydrocarbon aza-naphthalene derivative represented by a general formula (1), wherein Z represents CR1 or N. According to the polycyclic aromatic hydrocarbon aza-naphthalene derivative disclosed by the invention, a polycyclic aromatic hydrocarbon aza-naphthalene rigid structure is introduced, so that the obtained polycyclic aromatic hydrocarbon aza-naphthalene derivative is excellent in film-forming property and thermal stability, and can be used for preparing an organic light-emitting device, an organic field effect transistor and an organic solarcell. In addition, the polycyclic aromatic hydrocarbon aza-naphthalene derivative can be used as a constituent material of a hole injection layer, a hole transport layer, a light emitting layer, an electron blocking layer, a hole blocking layer or an electron transport layer, and can reduce the driving voltage, improve the efficiency, improve the brightness, prolong the service life and the like.
Owner:SUZHOU JOYSUN ADVANCED MATERIALS CO LTD

High-temperature-resistant and flame-retardant tetrafunctional epoxy resin with diazaphthone structure and preparation method of tetrafunctional epoxy resin

The invention belongs to the technical field of macromolecule science and provides high-temperature-resistant and flame-retardant tetrafunctional epoxy resin with a diazaphthone structure and a preparation method of the tetrafunctional epoxy resin. The tetrafunctional epoxy resin with the diazaphthone structure is synthesized by virtue of a one-pot two-step method, and an optimized reaction condition is determined through the inspection of the temperature, the time and the material ratio. The synthetic reaction comprises the steps of with diamine monomer with the diazaphthone structure and epoxy chloropropane as the materials, carrying out first-step ring-opening reaction; and dropwise adding a sodium hydroxide solution for ring-closure reaction, and finally, carrying out toluene extraction and washing, so as to obtain a target monomer. Tetraglycidyl-4,4'-diaminodiphenylmethane epoxy resin modified with the tetrafunctional epoxy resin with the diazaphthone structure has very good formation machinability, can be taken as a resin matrix and can be used for preparing high-temperature-resistant and high-performance fiber-reinforced resin-base composite material by virtue of the processes of lamination, mold pressing and RTM.
Owner:DALIAN UNIV OF TECH

Hexa-aza-naphthalene derivative and preparation method and application thereof

The invention belongs to the field of synthesis of aqueous zinc ion battery electrode materials, and particularly relates to a hexa-aza-naphthalene derivative and a preparation method and applicationthereof. The synthesis method of the hexa-aza-naphthalene derivative comprises the following synthesis steps that 3, 4-diamino-1, 6-phenyl derivative and cyclohexanone octahydrate are added into a reactor under the protection of inert gas and dissolved in an organic solvent; the reaction mixture is stirred continuously in the reflux state, after the reaction is over, heating is stopped, the aceticacid, the deionized water and the ethanol are added for washing, suction filtration is carried out, and the hexa-aza-naphthalene derivative is synthesized. The preparation method of the hexa-aza-naphthalene derivative is simple in process, low in cost, low in energy consumption, good in reproducibility and excellent in performance. The synthesized hexa-aza-naphthalene derivative material not onlycan solve the problem that organic material naphthoquinone derivatives are dissolved in electrolyte, but also is expected to obtain performance with high conductivity so as to guarantee rapid transmission of electrons in the electrochemical reaction process, and has wide application prospects in the field of aqueous zinc ion battery electrode materials.
Owner:CHANGZHOU UNIV

Preparation method of ethyl benzoylacetate

The invention discloses a preparation method of ethyl benzoylacetate, and belongs to the technical field of chemical synthesis. The preparation method comprises the following steps of: adding sodium bicarbonate into carbon tetrachloride, slowly adding ethyl acetoacetate, dropwise adding benzoyl chloride for reaction, adding sodium hydroxide for reaction, and filtering after the reaction is finished to obtain ethyl benzoylacetate. A microporous filter membrane is used in the process of preparing ethyl benzoylacetate. A reinforcing filler is prepared in the process of preparing the microporous filter membrane, and nano silicon dioxide and aniline are treated by the reinforcing filler, so that polyaniline is grafted on the surface of the nano silicon dioxide. Then, the nano silicon dioxide and modified graphene are subjected to ultrasonic treatment to obtain a reinforced substrate. 4-(4-hydroxyphenyl)-2, 3-phthalazine-1-one and epichlorohydrin are subjected to a reaction to prepare epoxy resin, then the epoxy resin and amino groups on the reinforced substrate are cured to prepare a reinforcing filler, the reinforcing filler can enhance the corrosion resistance of the microporous filter membrane, and the microporous filter membrane cannot be corroded after being used for a long time.
Owner:江苏巨莱生物医药有限公司

Titanium dioxide/polyhexaaza-naphthalene triphenylamine core-shell structure composite film as well as preparation method and application of titanium dioxide/polyhexaaza-naphthalene triphenylamine core-shell structure composite film

The invention discloses a titanium dioxide/polyhexaazanaphthalene triphenylamine core-shell structure composite film as well as a preparation method and application of the titanium dioxide/polyhexaazanaphthalene triphenylamine core-shell structure composite film. The method comprises the following steps: mixing deionized water and 37 wt% concentrated hydrochloric acid, adding tetrabutyl titanate,dipping fluorine-doped tin oxide conductive glass into the mixed solution, putting the mixed solution into a stainless steel reaction kettle, putting the stainless steel reaction kettle into an electric oven at 120-180 DEG C, and completely reacting to obtain a fluorine-doped tin oxide conductive glass/titanium dioxide electrode; in a three-electrode electrolytic tank system, taking the fluorine-doped tin oxide conductive glass/titanium dioxide electrode as a working electrode, a gold electrode or a platinum electrode as an auxiliary electrode and a silver/silver chloride electrode as a reference electrode, carrying out an electrochemical polymerization reaction at room temperature under the condition of a voltage of -2V to 2V by adopting a cyclic voltammetry to obtain the titanium dioxide/polyhexaazanaphthalene triphenylamine core-shell structure composite film. The preparation method disclosed by the invention is relatively low in cost, simple to operate, green and environment-friendly, and the composite film has excellent electrochromic performance.
Owner:ZHEJIANG UNIV OF TECH

Small-molecule luminescent materials based on 1,3-benzodiazine (quinazoline) and production method and application of small-molecule luminescent materials based on 1,3-benzodiazine (quinazoline)

The invention provides small-molecule luminescent materials based on 1,3-benzodiazine (quinazoline) and a production method and application of the small-molecule luminescent materials based on the 1,3-benzodiazine (quinazoline), and belongs to the technical field of organic photoelectric materials. A structural formula of the luminescent materials is shown in a formula (1)as shown in the description, in theformula (1), each of R1, R2, R3, R4, R5 and R6 is selected from one of a hydrogen atom, an alkoxy group, an alkylthio group, an alkylamine group, an arylamine group, an aryloxy group, an arylthio group, an aryl group and an aromatic heterocyclic group, and at least one of R1, R2, R3, R4, R5 and R6 is an aromatic heterocyclic group. According to the small-molecule luminescent materials based on the 1,3-benzodiazine (quinazoline) and the production method and application of the small-molecule luminescent materials based on the 1,3-benzodiazine (quinazoline), the 1,3-benzodiazine (quinazoline) is introduced into TADF materials for the first time, and high luminescence efficiency is achieved. The materials are simple to synthesize, steps are short, and synthesis cycles are short. Reaction yields are high, and the yields of all the steps are higher than 70%, so that the cost is saved. The OLED luminescent efficiency is high, and the highest efficiency can exceed 20%.
Owner:HARBIN INST OF TECH
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