36 results about "Anthraquinone Compounds" patented technology

The invention discloses an aloe extract-containing antibacterial, anti-inflammatory, anti-aging and moisturizing composition capable of promoting wound repair and application of the aloe extract-containing antibacterial, anti-inflammatory, anti-aging and moisturizing composition. The composition provided by the invention is obtained by compounding the active ingredients such as the aloe extract, the coptis chinensis extract, the centella asiatica extract, the honeysuckle flower extract and the carboxymethyl chitosan, all the ingredients synergistically play the roles of resisting bacteria, diminishing inflammation, resisting aging, promoting wound repair and moisturizing, and the composition has a remarkable effect. Wherein the aloe extract is prepared by adopting a specific deep eutectic solvent (DES), so that the content of anthraquinone compounds in the aloe extract can be increased, and the effects of bacteriostasis, sterilization, inflammation diminishing, detoxification, moisturizing and wound healing promotion of aloe can be better exerted. Specific extract components and the aloe extract are compounded, so that the effect of the aloe extract can be enhanced, the adopted components are natural, mild, safe and low in irritation, and a basis is provided for preparing more medicine products which are antibacterial, anti-inflammatory, anti-aging, moisturizing and capable of promoting wound repair.

The invention discloses a method for predicting liquid chromatography retention time of traditional Chinese medicine active ingredients. The method comprises the following steps: detecting retention time of flavonoid compounds or anthraquinone compounds under different chromatographic conditions through a reverse high performance liquid chromatograph; performing structure optimization on the flavonoid compound or the anthraquinone compound; performing molecular descriptor calculation on the optimized compound structure to obtain a molecular descriptor data set; performing genetic algorithm screening on the molecular descriptor data set to obtain characteristic molecular descriptors; combining the characteristic molecule descriptors with the different chromatographic conditions into a complete data set; the complete data set serves as an input variable, retention time serves as an output variable, and a gradient elevator GB algorithm or a random forest method RF is adopted for modeling to obtain a QSRR model; and predicting the retention time of flavonoid or anthraquinone compounds under different chromatographic conditions by using the constructed QSRR model.

The invention discloses an anthraquinone compound with anti-MTV activity and a preparation method and application thereof.The anthraquinone compound with the anti-MTV activity is prepared from stems and leaves of desmodium caudatum through the steps of pretreatment, extract extraction, silica gel column chromatography and separation and purification, the molecular formula of the anthraquinone compound with the anti-MTV activity is C18H17O7, and the structural formula of the anthraquinone compound with the anti-MTV activity is shown in the description. The preparation method comprises the following steps: 1, 6-dihydroxy-2, 7, 8-trimethoxy-3-methyl anthracene-9, 10-diketone is used as a raw material, and is named as 1, 6-dihydroxy-2, 7, 8-trimethoxy-3-methyl According to the invention, the English name is 1, 6-dihydroxy-2, 7, 8-trimesoxy-3-methylanthracene-9, 10-dione, and the English name is 1, 6-dihydroxy-2, 7, 8-trimesoxy-3-methylanthracene-9, 10-dione. The present invention has the following structure. Activity tests show that the compound has a certain inhibition effect on MTV. The novel compound disclosed by the invention is novel in structure, has certain anti-MTV activity, can be used as an anti-MTV lead compound, and can be used for research and development of anti-MTV prevention and treatment drugs.

The present invention relates to the process for the preparation of topical formulations of anthraquinone compound. The present invention specifically relates to the process for the preparation of topical formulations of Rhein or Diacerein in the form of ointment, cream, gel and transferosomal gel. The present invention more specifically relates to the process for the preparation of topical formulations of Rhein or Diacerein in the form of ointment, cream, gel comprising the steps of heating, adding, stirring, dissolving and mixing. The present invention also relates to the process for the preparation of topical formulations of Rhein or Diacerein in the form of transferosomal gel comprising the steps of thin film formation, hydration of thin film and transferosomal gel formation. The present invention also relates to the process for the preparation of topical formulations of Rhein or Diacerein in the form of transferosomal gel comprising the steps of dissolving, adding and mixing.

The application provides a polyurethane composite material and application thereof, and relates to the technical field of polyurethane materials. The polyurethane composite material is composed of component A and component B. Raw material components of component A include: 100 parts of polymeric diol, 1-8 parts of chain extender, 1-3 parts of catalyst, 0-5 parts of crosslinking agent, 0.1-2 parts of carbon-based material, 1-10 parts of anthraquinone compound and 0.5-2 parts of water. Component B is an isocyanate curing agent, and contains a prepolymer with multiple ester bonds and urea bonds. The polyurethane composite material has high mechanical strength and wear resistance and the like, and is suitable for treatment of nitrogen-containing sewage.

The invention provides a composite material composition, and relates to the technical field of composite materials. The composite material composition comprises the following raw material components in parts by weight: 100 parts of polyolefin, 1-10 parts of an anthraquinone compound and 0.1-2 parts of a carbon-based material, the carbon-based material is subjected to surface treatment by adopting polyether modified polysiloxane. Preferably, the polyether modified polysiloxane contains an active group which can react with the anthraquinone compound at 100 DEG C. The composite material disclosed by the invention combines the characteristics of the anthraquinone compound, the carbon-based material and the polyether modified polysiloxane, synergistically exerts effects, and has a relatively good denitrification effect on nitrogen-containing sewage.

The invention relates to the technical field of batteries, in particular to a battery, a battery liquid leakage detection method and a power utilization device. The battery provided by the invention comprises an electrolyte and a shell for packaging the electrolyte, a first reagent is added into the electrolyte, the first reagent comprises a boron compound, the outer surface of the shell is provided with the first reagent, the first reagent comprises an anthraquinone compound, and the chemical general formula of the anthraquinone compound is shown as a formula I in the specification. Based on the fact that an anthraquinone compound can be in contact with a boron compound in an electrolyte and is subjected to a coupling reaction with the boron compound, o-diphenolic hydroxyl of the anthraquinone compound is complexed with boron to generate a fluorescent complex, if liquid leakage exists in the battery, a fluorescent color development peak of the fluorescent complex can be detected through photosensitive detection equipment, and the fluorescent color development peak of the fluorescent complex can be detected through detection equipment. Therefore, whether electrolyte leakage exists or not can be conveniently and sensitively detected.

The application provides a hydrophilic modified HDPE composition and application thereof, and relates to the technical field of composite materials.The hydrophilic modified HDPE composition contains, in terms of weight parts, 100 parts of HDPE and 1-10 parts of a hydrophilic anthraquinone compound.The raw material components can further contain 0.1-2 carbon-based materials.The hydrophilic anthraquinone compound is obtained by reacting an anthraquinone compound and a diisocyanate compound and then reacting with a hydrophilic compound.The hydrophilic modified HDPE composition improves the hydrophilicity of HDPE, and introduces an anthraquinone structure, so that the denitrification effect on nitrogen-containing sewage can be improved.

The present invention is an anthraquinone compound represented by formula (1) (in the formula, R1 represents a hydrogen atom, a straight chain or branched chain alkyl group having a carbon count of 1-12, or a straight chain or branched chain alkoxy group having a carbon count of 1-12. R2 represents a hydrogen atom, a straight chain or branched chain alkyl group having a carbon count of 1-8, or a straight chain or branched chain alkoxy group having a carbon count of 1-8). R2 may be a straight chain or branched chain alkyl group having a carbon count of 1-8. R1 may be a straight chain or branched chain alkoxy group having a carbon count of 1-8, or may be a straight chain or branched chain alkyl group having a carbon count of 1-4. The present invention also relates to a dimming liquid crystal composition containing this anthraquinone compound and a liquid crystal material. The present invention also relates to a dimming element obtained by sandwiching the dimming liquid crystal composition or a photocured product thereof between a pair of substrates disposed facing each other, at least one among which is a transparent substrate having a transparent electrode.

Provided are a mutant glycosyltransferase having 80% or more sequence identity with an amino acid sequence set forth in SEQ ID NO: 1, in which the mutant glycosyltransferase is capable of forming an anthraquinone C-glycoside from an anthraquinone compound and a monosaccharide donor; a method for producing the same; a nucleic acid; a vector; a host cell; a composition; and a method for producing an anthraquinone C-glycoside.

The present application relates to a kind of methyltransferase that can catalyze anthraquinone compound methylation, amino acid sequence is as shown in SEQ ID NO:2, also provide the application of this methyltransferase in the production of emodin-3-methyl ether and other methylated anthraquinone compounds.The present application digs a new methyltransferase, which can methylate anthraquinone compound, and can convert emodin into emodin-3-methyl ether.The present application constructs the engineering bacteria that can produce emodin-3-methyl ether using the coding gene of the enzyme, widens the methyltransferase library that can be used for emodin methylation, provides new way for emodin-3-methyl ether cell factory construction.

This invention discloses a nitrogen-containing heterocyclic anthraquinone compound with anti-tobacco mosaic virus activity, its preparation method, and its applications. The molecular formula of the compound is: C 22 H 19 NO4, the compound is named: 5-methyl-3,6-dimethoxy-2-(3'-methyl-1'-) H 3,6-dimethoxy-5-methyl-2-(3'-methyl-1'-yl)anthracene-9,10-dione, also known as pyrrole-2'-yl)anthracene-9,10-dione. H The compound of this invention, denoted as -pyrrol-2'-yl)anthracene-9,10-dione, has the following structure: This compound was first isolated from the Dai medicinal herb *Cassia tora*. This nitrogen-containing heterocyclic anthraquinone compound exhibits excellent anti-tobacco mosaic virus (Tobacco Mosaic Virus) activity: in experiments against Tobacco Mosaic Virus, its relative inhibition rate reached 56.2%, significantly higher than the relative inhibition rate of the control compound ningnanmycin (32.4%). The compound of this invention has a stable structure and good activity, showing promising application prospects in the preparation of anti-Tobacco Mosaic Virus drugs and can serve as a lead compound for anti-Tobacco Mosaic Virus drugs.

The present application belongs to the technical field of mobile bed biological membrane reactor, and discloses a preparation method of MBBR filler and the MBBR filler.The preparation method of the MBBR filler disclosed by the present application comprises the following steps: S1, mixing polyolefin, chitosan and maleic anhydride grafted polyolefin, melting, extruding, shaping, and obtaining first filler; S2, dispersing the first filler in step S1 into an organic solvent, adding an anthraquinone compound containing anhydride, reacting, filtering, washing, and drying to obtain the MBBR filler.The MBBR filler obtained by the preparation method provided by the present application has good mechanical strength, hydrophilicity, biocompatibility and biofilm performance, and has good application prospect.

The purpose of the present invention is to provide a novel anthraquinone compound, and to provide: a dichroic dye constituted of the novel anthraquinone compound; a liquid crystal composition which contains the dichroic dye; and preferably a dimming element having excellent contrast and light resistance and containing said composition.　The present invention discloses an anthraquinone compound represented by formula A below (wherein R1 represents a C3-16 branched alkyl group, and R2 represents a hydrogen atom, a C1-8 straight-chain or branched alkyl group, or a C1-8 straight-chain or branched alkoxy group). In addition, the present invention discloses a liquid crystal composition including the anthraquinone compound and a liquid crystal material, and a dimming element containing said composition.

The invention relates to the technical field of microbial drugs and anti-infection drugs, in particular to dianthraquinone compounds, a preparation method and application thereof.The dianthraquinone compounds dothideomin A and derivatives dothideomin C and dothideomin D of the dianthraquinone compounds dothideomin A have good in-vitro bacteriostasis and sterilization effects on MRSA and can remarkably inhibit growth of the MRSA, the minimum inhibitory concentration is 0.8-1.3 mu g / mL, dothideomin A has a unique anti-MRSA action mechanism, and dothideomin D has a unique anti-MRSA action mechanism and can remarkably inhibit growth of the MRSA. The compound has good safety to red blood cells and mammalian cells, and drug resistance of MRSA is not easy to generate. The invention provides the inhibition effect of the dothimine A and the derivative thereof on methicillin-resistant staphylococcus aureus, and the dothimine A and the derivative thereof have wide application value in the fields of medicines and the like.

The invention discloses a tetrahydroanthraquinone compound as well as a preparation method and application thereof, the tetrahydroanthraquinone compound is a compound as shown in a formula I, a stereoisomer or pharmaceutically acceptable salt of the tetrahydroanthraquinone compound, and the compound is an LIC1 inhibitor, can remarkably inhibit the progress of non-small cell lung cancer, and can be used for preparing a medicine for treating non-small cell lung cancer. Especially, the compound 18e has strong therapeutic activity in both cellular level and animal level. The invention provides a candidate drug for treating non-small cell lung cancer.

The invention relates to the technical field of organic materials, in particular to a multicolor microcrystalline dielectric material with a sulfur-containing bridge anthraquinone structure and application of the multicolor microcrystalline dielectric material. The material is formed by compounding amyl cyanobiphenyl, heptyl cyanobiphenyl, various cyanobiphenyl derivatives and three sulfur-containing bridge anthraquinone compounds F1, F2 and F3 according to a specific proportion, and the multicolor adjustable characteristic is achieved through the synergistic effect of a p-pi conjugated system constructed by sulfur bridges and auxochrome groups. Meanwhile, due to the introduction of the sulfur bridge, the stability of high temperature resistance and ultraviolet radiation resistance of the material and the compatibility of the material with microcrystalline medium components are remarkably improved. The material can be used for preparing a high-performance dimming functional layer, shows high light transmission contrast ratio, quick response and long-term cycle stability in intelligent windows, vehicle-mounted dimming glass and light-operated display parts, and solves the technical problems of single color and poor environmental tolerance of the existing material.

The application discloses a method for rapidly enriching denitrification of anaerobic ammonia oxidation bacteria, and is applied to a short-range nitrification-anaerobic ammonia oxidation process, and active sludge in a secondary sedimentation tank of an urban sewage treatment plant is inoculated in an anaerobic ammonia oxidation reaction tank. 2+ The method comprises an enrichment stage and a sewage treatment stage; Fe 2+ Anthraquinone compounds are added in the water inlet of the enrichment stage, and the ultrasonic broken bacteria liquid of Shewanella oneidensis is added in the anaerobic ammonia oxidation reaction tank; in the sewage treatment stage, the water inlet is the sewage to be treated added with the anthraquinone compounds, and the ultrasonic broken bacteria liquid of Shewanella oneidensis is added in the anaerobic ammonia oxidation reaction tank. 2+ The culture solution is used as the water inlet to domesticate and enrich the anaerobic ammonia oxidation bacteria, the ultrasonic broken bacteria liquid of Shewanella oneidensis and the anthraquinone compounds are simultaneously added, the electron transfer rate and the growth rate of the anaerobic ammonia oxidation bacteria are cooperatively improved, the rapid enrichment culture of the anaerobic ammonia oxidation bacteria is realized, and the denitrification efficiency is improved.

The present invention pertains to: a liquid crystal composition for controlling light that contains, as a dichroic dye, an anthraquinone compound having a specific structure; and a light-controlling element that contains a cured product of said liquid crystal composition for controlling light and exhibits excellent contrast, light-blocking performance, lightfastness, and heat tolerance during current supply. More specifically, the present invention pertains to: a liquid crystal composition for controlling light that contains a compound represented by formula (A) (in the formula, R1 represents a C1-12 alkyl group or a C1-12 alkoxy group, and each R2 independently represents a C1-8 alkyl group), a liquid crystal material, a photocurable compound, and a photoinitiator; and a light-controlling element that is formed by sandwiching a photocured product of said composition between a pair of substrates.

The present application relates to an anthraquinone compound which is an anthraquinone compound represented by formula (1), wherein R1 and R4 represent a hydrogen atom, a C1-12 alkyl group, a C1-12 alkoxy group, a halogen atom, -CO2R9, -OCOR9, -COR9, a cyano group or a trifluoromethyl group; R2, R3, R5 and R6 represent a hydrogen atom, a C1-4 alkyl group, a C1-4 alkoxy group, a halogen atom, -CO2R9, -OCOR9, -COR9, a cyano group or a trifluoromethyl group; R7 and R8 represent a hydrogen atom or a C1-8 alkyl group; and R9 represents a C1-12 alkyl group, a substituent represented by formula (a) (wherein R 10 represents a hydrogen atom, a C1-8 alkyl group or a C1-8 alkoxy group) or a substituent represented by formula (b) (wherein R 11 represents a hydrogen atom or a C1-8 alkyl group).

The invention relates to a method for producing an anthraquinone compound by using actinomycetes Nocardiopsis aegyptia HDN19-252, and a preparation method of the anthraquinone compound. The invention also relates to an application of the compound in tumor resistance. The structural formula is shown in the specification. A fermentation product containing the compound can be obtained through fermentation culture of actinomycetes Nocardiopsis aegyptia HDN19-252, and then the compound is obtained through separation and purification by adopting normal-phase silica gel column chromatography, reversed-phase C-18 column chromatography, semi-preparative HPLC (High Performance Liquid Chromatography) and other methods. The invention aims to provide a novel compound which is novel in structure and has human metastatic pancreatic adenocarcinoma cell (AsPC-1) inhibitory activity from secondary metabolites derived from actinomycetes, and the compound can be used as a novel pancreatic cancer cell inhibitor for treating pancreatic cancer.

The invention belongs to the technical field of traditional Chinese medicine extraction and medicine, and particularly relates to an anthraquinone compound and an extraction method and application thereof. The anthraquinone compound is extracted from oldenlandia diffusa. The invention provides an anthraquinone compound extracted from oldenlandia diffusa, and the anthraquinone compound has a novel structure and pharmacological activity, and provides a material basis for research on the medical effect of the oldenlandia diffusa. The data result of the embodiment of the invention shows that the anti-leukemia effect of the anthraquinone compound provided by the invention provides a powerful basis for exploring potential anti-leukemia new drugs. In addition, the invention also provides a method for preparing the compound from oldenlandia diffusa, and the whole preparation process is simple to operate, easy to control and suitable for industrial production.

The present disclosure pertains to the provision of a novel halogenase enzyme, nucleic acid constructs and expression vectors comprising a nucleotide sequence coding for said halogenase enzyme, a host cell expressing said halogenase enzyme, and methods using said halogenase enzyme or host cell expressing said halogenase enzyme for producing halogenated anthraquinone compounds, in particular chloro-endocrocin, chloro-dermolutein, chloro-emodin.

The invention discloses a multi-dimensional fragment information-assisted qualitative and quantitative analysis method for natural anthraquinone compounds, anthraquinone and phenanthrenequinone in Liupao tea, belongs to the technical field of tea component determination, and can be used for accurately and qualitatively determining whether a Liupao tea sample contains the substances or not, quantitatively analyzing the substances, and determining the content of the natural anthraquinone compounds, anthraquinone and phenanthrenequinone in the Liupao tea sample. The method has the characteristics of high detection efficiency, accurate analysis result and good repeatability; comprising the following steps: (1) respectively taking substance standard substances of natural anthraquinone compounds, anthraquinone and phenanthrenequinone to prepare different standard substance solutions, and measuring to obtain substance spectrum information and series of standard spectrum information; (2) collecting data information of a substance standard substance and then establishing a comparison database; (3) extracting a Liupao tea sample, and measuring to obtain Liupao tea sample spectrum information; and (4) determining whether the Liupao tea sample contains natural anthraquinone compounds, anthraquinone and phenanthrenequinone or not after matching by using qualitative software, and outputting a determination result after calculating to obtain the content of the substances contained in the Liupao tea sample.

This invention discloses a method for synthesizing alumina-rich Beta molecular sieves by transcrystalline transformation of A molecular sieves. The method includes adding pretreated A molecular sieves to an alkaline solution for alkaline hydrolysis, directional assembly onto the surface of Beta seed crystals, adding a template agent and supplementing with a silicon source for crystallization to obtain a pure-phase, highly crystalline alumina-rich Beta molecular sieve. Furthermore, a long-chain alkyl quaternary ammonium salt alcohol solution is added to the crystallized product for further crystallization to obtain a hierarchical porous alumina-rich Beta molecular sieve. This invention utilizes inexpensive and readily available A molecular sieves for transcrystalline transformation into alumina-rich hierarchical porous Beta with a silicon-to-aluminum ratio of 5-10; the template agent molar amount is low, significantly reducing cost and pollution; seed crystal induction results in high crystallinity, few impurities, and high transformation efficiency; in-situ pore expansion with long-chain quaternary ammonium salts forms hierarchical channels; it combines high acid density with excellent mass transfer performance; the process is simple, low-cost, and suitable for industrialization; and it exhibits excellent catalytic performance in the reaction of benzoylbenzoic acid compounds to anthraquinone compounds.

The invention discloses an electrochemical preparation method of hydrogen peroxide, and relates to the technical field of electrochemistry, the electrochemical preparation method of hydrogen peroxide comprises the following steps: S1, mixing an anthraquinone compound, an electrolyte and an organic solvent to obtain a catholyte; s2, the cathode electrolyte is subjected to an electrochemical hydrogenation reaction, and a hydrogenated solution is obtained; and S3, carrying out oxidation treatment on the hydrogenated liquid to obtain a hydrogen peroxide solution. Compared with a traditional anthraquinone method, the method disclosed by the invention is beneficial to improving the production efficiency and selectivity of hydrogen peroxide, synthesis can be realized at normal temperature and normal pressure, and the problems of high energy consumption and high production cost caused by high temperature and high pressure are avoided.

The invention provides a membrane casting liquid composition and a carbon-based mediator membrane, and relates to the technical field of membranes. The membrane casting liquid composition comprises the following raw material components in percentage by weight: 12-20% of PVDF (Polyvinylidene Fluoride), 0.1-2% of modified carbon nanotubes, 1-3% of a cross-linking agent, 0.5-3% of an anthraquinone compound and the balance of an organic solvent, the modified carbon nano tube is obtained by performing surface grafting treatment on a carbon nano tube, and the grafting structure of the surface grafting treatment comprises a polyether chain segment; preferably, the grafted structure also contains an organic fluorine group. The carbon-based mediator membrane obtained from the membrane casting solution has good treatment performance on nitrogen-containing wastewater.

The present invention relates to a liquid-crystal composition comprising (A) dye compounds and (B) a liquid-crystal material, wherein the dye compounds (A) include an anthraquinone compound represented by general formula (1) and an anthraquinone compound represented by general formula (2) in a specific proportion and further include a dye compound which is neither the anthraquinone compound represented by general formula (1) nor the anthraquinone compound represented by general formula (2). The present invention further relates to a liquid-crystal composition comprising the (A) and (B) components and further containing (C) a photocurable compound and (D) a photopolymerization initiator, a cured object obtained from the liquid-crystal composition, and a light-modulating element in which the liquid-crystal composition or the cured object is sandwiched therein.

The present invention pertains to: a liquid crystal composition for controlling light that contains, as a dichroic dye, an anthraquinone compound having a specific structure; and a light-controlling element that contains a cured product of said liquid crystal composition for controlling light and exhibits excellent contrast, light-blocking performance, lightfastness, and heat tolerance during current supply. More specifically, the present invention pertains to: a liquid crystal composition for controlling light that contains a compound represented by formula (A) (in the formula, R1 represents a C4-12 alkyl group or a C4-12 alkoxy group, and each R2 independently represents a C6-12 alkyl group), a liquid crystal material, a photocurable compound, and a photoinitiator; and a light-controlling element that is formed by sandwiching a photocured product of said composition between a pair of substrates.

The application provides a chaetomium globosum, a method for separating secondary metabolites of the chaetomium globosum and application, and belongs to the technical field of biological medicines. Arcopilus cupreus DGR-7 has been preserved in Guangdong Microbial Culture Collection Center on October 10, 2025, with a preservation number of GDMCC No: 67068; the application first utilizes rice medium to ferment A. cupreus strains, and 8 compounds are separated and purified from the strains, wherein 6 compounds are anthraquinones. In-vitro antibacterial experiments show that the chaetomium globosum Arcopilus cupreus The secondary metabolites of DGR-7, anthraquinones, have good bioactivity in inhibiting the growth of staphylococcus aureus, methicillin-resistant staphylococcus aureus, streptococcus salivarius, klebsiella pneumoniae, bauman acinetobacter, pseudomonas aeruginosa and escherichia coli.