9 results about "Anthraquinone" patented technology

The invention provides COF-based hydrogel based on a long-chain modified aldehyde group monomer as well as a preparation method and application of the COF-based hydrogel, and relates to the technical field of hydrogel for water treatment. The preparation method comprises the following steps: synthesizing a required TPAD-NHBoc amido monomer by using medicines such as 1, 4, 5, 8-tetrachloroanthraquinone, N-Boc-1, 4-phenylenediamine and the like, sequentially adding the TPAD-NHBoc amido monomer, a Dha aldehyde monomer modified by different long chains, dioxane and trifluoroacetic acid into a glass tube according to a certain proportion, carrying out ultrasonic treatment and stirring to fully dissolve, and finally putting the mixture into a reaction kettle to react, thereby obtaining the TPAD-NHBoc amido monomer. After the reaction is finished and cooling, carefully taking out the blocky gel from the glass tube, respectively immersing the blocky gel into dioxane, DMF, acetone, methanol and deionized water, and repeatedly replacing the solvent to wash unreacted monomers and impurities to obtain the hydrogel. The COF-based hydrogel based on the long-chain modified aldehyde group monomer has excellent solar photo-thermal water evaporation performance.

This invention belongs to the field of microbial technology, specifically disclosing a method for artificially cultivating *Anthraquinone longipes* containing camptothecin using bamboo shoot shell waste. The method involves inoculating *Anthraquinone longipes* into SKG medium for cultivation. The SKG medium consists of bamboo shoot shell powder with a solid-liquid ratio of 20:20 and MS medium with a concentration of 0.5 g / L. This invention is the first to achieve the artificial cultivation of *Anthraquinone longipes* fruiting bodies using waste bamboo shoot shells. Furthermore, the secondary metabolites of the cultivated fruiting bodies were evaluated, revealing that the fruiting bodies can produce camptothecin, thus enhancing the economic value of *Anthraquinone longipes* and providing a new pathway for the industrial production of camptothecin.

A refrigeration cycle device comprises a refrigerant, a compressor that compresses the refrigerant, and a refrigerating machine oil that lubricates a sliding part of the compressor. The refrigerant includes trifluoroiodomethane. The refrigerating machine oil includes a base oil and a quinone additive. The quinone additive is at least one selected from the group consisting of 1,4-benzoquinone, 1,2-benzoquinone, 2-methyl-1,4-benzoquinone, 2-phenyl-1,4-benzoquinone, 2-tert-butyl-1,4-benzoquinone, 1,4-naphthoquinone, 1,2-naphthoquinone, 2,6-naphthoquinone, 2-hydroxy-1,4-naphthoquinone, and 1,4-anthraquinone.

The present application provides a kind of anthracene methylthiosalicylic acid for photosensitive resin composition, it is related to the field of photopolymerization.The present application also includes photosensitive resin composition containing the anthracene methylthiosalicylic acid, photosensitive dry film containing the anthracene methylthiosalicylic acid, and its application.The anthracene methylthiosalicylic acid of the present application has photosensitivity, can be used as photosensitizer in photosensitive resin composition;With low migration characteristics;It has very good solubility in conventional monomer, greatly improves the degree of freedom of formula design of photosensitive resin composition;It also has very good solubility in lye, can greatly reduce the development garbage, improve product yield;Photosensitive resin composition can improve the adhesion on a variety of metal surfaces;It can be widely used in dry film, paint, coating, ink and molding material and other photocuring field.

The application discloses a yellow organic dye, a preparation method thereof and application of the yellow organic dye in preparation of yellow spandex fibers, and belongs to the technical field of dyes and fiber preparation, and comprises the following steps: 1,5-dichloroanthraquinone, p-mercaptophenethyl alcohol, a carbonate and a dye solvent are added into a reaction together, hydrochloric acid is added to precipitate a product, the product is recrystallized with acetone, and the yellow organic dye is obtained. The yellow organic dye is dissolved in a solvent A, polyols and isocyanate are added, a catalyst is added or not, a reaction retarder is added or not, a chain extender is added or not, and a blocking agent is added or not, then the reaction is carried out, defoaming is carried out, dry spinning is carried out, and the yellow spandex fibers are obtained. In the application, the dye is connected to the spandex main chain through a covalent bond, the spandex fibers have a color, and the problems of difficult dyeing of the spandex fibers in the later stage, much wastewater and the like can be solved; the dye is combined with the spandex fibers through a chemical bond and is fixed in the high molecular chain, and has excellent dry and wet rubbing fastness and excellent migration resistance.

This invention relates to the application of anthraquinone I in the preparation of drugs for the prevention and treatment of type 2 diabetes. The method involves pulverizing the whole herb of *Patrinia scabiosifolia*, extracting it by reflux with ethanol, and concentrating under reduced pressure to obtain an extract. The extract is then sequentially extracted with equal volumes of petroleum ether, dichloromethane, and n-butanol. The dichloromethane layer is separated by silica gel column chromatography to obtain 10 fractions (Fr.1 to Fr.10). Fr.5 is further separated by ODS column chromatography, eluting with a methanol-water gradient to obtain 5 fractions (Fr.5-1 to Fr.5-5). Fr.5-4 is separated by Sephadex LH-20 column chromatography, and then purified by semi-preparative high-performance liquid chromatography to obtain anthraquinone I. The extraction method of anthraquinone I in this invention is simple and suitable for large-scale production. Anthraquinone I can inhibit α-glucosidase and can be used in the preparation of hypoglycemic drugs.

The invention relates to a synthesis method of (9R, 10S)-2-chloro-9, 10-bis (4-methoxyphenyl)-9, 10-dihydroanthracene-9, 10-diol, and particularly relates to a synthesis method of (9R, 10S)-2-chloro-9, 10-bis (4-methoxyphenyl)-9, 10-dihydroanthracene-9 The synthesis method comprises the following steps: by taking tetrahydrofuran as a solvent, adding cerium trichloride as a catalyst and an exchange system atmosphere as an inert atmosphere, and regulating and controlling a temperature value to activate cerium trichloride so as to obtain cerium trichloride dispersion liquid; under the condition of 10-20 DEG C, adding a Grignard reagent into the cerium trichloride dispersion liquid to be complexed with cerium trichloride to obtain a mixed solution; the Grignard reagent is tetrahydrofuran dispersion liquid of p-methoxyphenyl magnesium bromide; the preparation method comprises the following steps: adding tetrahydrofuran dispersion liquid of 2-chloroanthraquinone into a mixed solution under the condition of 10-20 DEG C, carrying out a reaction, and after the reaction is finished, carrying out quenching and post-treatment to remove impurities, so as to obtain (9R, 10S)-2-chloro-9, 10-bis (4-methoxyphenyl)-9, 10-dihydroanthracene-9, 10-diol, namely (9R, 10S)-2-chloro-9, 10-bis (4-methoxyphenyl)-9, 10-dihydroanthracene-9, 10-diol. According to the synthesis method, raw materials are easy to obtain, and the yield is high and can reach 55% or above.

The application relates to the field of biological medicine, in particular to pharmaceutical application and a pharmaceutical composition of 1,8-diacetylrhefa. The application of 1.1,8-diacetylrhefa in the preparation of a drug for treating Alzheimer's disease mediated by mitochondrial autophagy; and a pharmaceutical composition, which is composed of a therapeutically effective amount of 1,8-diacetylrhefa and a pharmaceutically acceptable carrier. 1,8-diacetylrhefa can specifically activate the PINK1 / Parkin signal pathway, thereby promoting the removal of damaged mitochondria and restoring the organelle homeostasis in neurons. Experimental results show that in cell and animal models, it can effectively reduce the beta-amyloid level and improve the cognitive dysfunction of model animals, such as increasing the spontaneous alternation rate of Y maze, prolonging the passive avoidance test latency, thereby providing a candidate treatment scheme with disease modification potential for neurodegenerative diseases.

The application belongs to the technical field of wastewater treatment, and specifically relates to a PAM / COF composite material for treating dye wastewater and a preparation method thereof. First, p-toluenesulfonic acid monohydrate and triformylphloroglucin are dissolved in deionized water to obtain a mixed solution A; acrylamide, N,N-methylenebisacrylamide, polyvinylpyrrolidone, PEG-200 polyethylene glycol and Tween 20 are ultrasonically dispersed in deionized water to obtain an aqueous phase; benzene, n-heptane and cyclohexane are mixed according to a volume ratio of 1:1:2.5 to obtain an oil phase; the PAM / COF composite material is prepared by adopting an emulsion polymerization method, PAM powder is added into the mixed solution A, then diaminoanthraquinone is added, and after mixing, heating reaction is carried out, and then drying is carried out. The organic framework (COF) material and polyacrylamide (PAM) are prepared into the PAM / COF composite material, and the problems of low mechanical strength, poor dispersibility, easy agglomeration, low adsorption efficiency, poor regeneration performance, poor treatment effect on complex dye wastewater and the like of the COF material are overcome.