164 results about "Anthraquinone Derivatives" patented technology

The invention discloses a hydrogenation method for production of hydrogen peroxide by the anthraquinone process, belonging to the technical field of chemical industry reaction. The method provided by the invention comprises: dispersing the gaseous phase containing hydrogen into the working solution containing the anthraquinone derivatives to obtain the gas-liquid mixing fluid containing micron bubbles, so that the gas-liquid mixing fluid passes through the pipe reactor filled with the hydrogenation catalyst at the space velocity of 3 to 1000h<-1> to finish the hydrogenation process. In the method provided by the invention, the gas-liquid micro-dispersing process and the static bed catalytic hydrogenation process are directly integrated, so that the interphase mass transfer is strengthened, and the contacts between different reactants and between the reactant and the catalyst are more sufficient and more uniform, thereby enhancing the efficiency and the controllability of the hydrogenation process and improving the economical efficiency and the security of the production of the hydrogen peroxide.

A blue colorant comprising a chromophore having at least one poly(oxyalkylene) chain attached, through aromatic amino group (or groups), to the 1-position, the 4-position, or both, of an anthraquinone backbone is provided. Such colorants exhibit excellent amine / base stability and thermal stability, effective colorations, excellent low extraction rates, and high lightfastness levels, particularly when incorporated within certain media and / or on the surface of certain substrates, particularly polyesters, polyolefins, and polyurethanes. The poly(oxyalkylene) chain or chains can be conveniently tailored to increase the solubility or compatibility in different solvents or resins thereby permitting the introduction of such excellent coloring chromophores within diverse media and / or or diverse substrates as well as provides a liquid colorant which facilitates handling. Compositions and articles comprising such colorants are provided as well as methods for producing such inventive colorants.

The invention discloses an oxidation method for preparing hydrogen peroxide by an anthraquinone method in the technical field of chemical reaction. The method comprises the following steps of: dispersing an oxygen-containing gaseous phase into hydrogenated anthraquinone derivative-containing working solution to prepare a micron-sized bubble-containing gas-liquid mixed fluid, and finishing oxidation reaction when the gas-liquid mixed fluid flows through a delay pipeline. The method can improve the oxidation efficiency of a hydrogenated anthraquinone derivative, shorten oxidation reaction time, reduce the hold-up of the oxidization working solution in a reaction system and improve the safety of the oxidation process.

The present invention relates to an application of anthraquinone derivative as pesticice for controlling plant fungous diseases. The anthraquinone derivative pesticide contains one kind or several kinds of 10 anthraquinone derivative compounds. The anthraquinone derivative compounds have obvious action for preventing and curing several plant diseases, and can be used for preventing and curing economic crop, grain crop, vegetable, fruit tree and melon diseases due to fungi, including sphaerotheca, erysiphe, blumeria, fusarium, sclerotinia, pyricularia, rhizoctonia, colletotrichum, botrytis, verticillium and alternaria.

A new process, particularly simple and economical, for FSH and LH separation and purification starting from crude HMG preferably urinary, comprising the following steps: 1) optional exhaustion of crude HMG viral charge in aqueous EtOH 2) ion-exchange chromatography on weakly basic anionic resins of DEAE type; 3) affinity chromatography on resin having an antraquinone derivative as a ligand; 4) optional ion-exchange chromatography on strongly basic anionic resins; Hormones obtained thereby, in particularly pure form and having high specific activity, may subsequently undergo a depyrogenation step.

The invention relates to hydroxy anthraquinone derivatives and their use in preparing anti-cancer medicament, test has shown that the hydroxy anthraquinone derivatives have appreciable inhibitory action for various tumor cell strains, thus can be used in preparing cancer treatment medicament. The chemical structural formula of the hydroxy anthraquinone derivatives is shown by I, wherein R1, R2,R3 are defined in the description.

The invention discloses a light-cured three dimensional printing material and a preparation method thereof. The light-cured three dimensional printing material comprises, by mass, 40-45 parts of polyester modified epoxy acrylate, 8-12 parts of cycloaliphatic epoxy resin, 8-10 parts of trihydroxymethylpropyl trimethylacrylate, 16-20 parts of 1,6-hexanediol diacrylate, 2-8 parts of triethyleneglycol divinyl ether, 1.5-2 parts of isopropylthioxanthone, 1.5-2 parts of 2-phenyl-2,2-dimethylamino-1-(4-morpholinylphenyl)-1-butanone, 1.5-2 parts of a reactive tertiary amine co-initiator, 0.5-2.7 parts of 4-isobutylphenyl-4'-methylphenyliodonium hexafluorophosphate, 0.5-2 parts of an anthraquinone derivative, 0.5-2 parts of a promoter and 4-8 parts of a flexibilizer. Shaped parts made by using the light-cured three dimensional printing material have the advantages of low shrinkage, high toughness and high shaping precision.

A color filter has a filter segment. The filter segment is formed by means of a color composition for color filter. The color composition for color filter includes: a phosphate-ester series pigment dispersant; a pigment derivatives having a certain alkali-base; at least one alkali-base-containing derivatives selected from pigment derivatives, a Anthraquinone derivatives and a triazine derivatives; a pigment carrier; and a pigment.

The invention discloses an anthraquinone derivative material, which has the following structural formula: wherein -Ar is FORMULA. The anthraquinone derivative material has excellent thermal stability and conjugate structure, and emits blue light. The invention also provides a preparation method for the anthraquinone derivative material and application of the material in organic electroluminescent devices.

The invention discloses an application of a compound to preparation of medicines for treating viral pneumonia, and relates to the technical field of drugs. The technical problem that novel antiviral drugs are deficient in the prior art, can be solved. The compound comprises a purine compound adopting the structure as shown in the formula 1, and / or an anthraquinone derivative adopting the structureas shown in the formula 2. The purine compound adopting the structure as shown in the formula 1, and / or the anthraquinone derivative adopting the structure as shown in the formula 2 both can show predominant effect for resisting viral pneumonia when being separately used or used jointly. Drugs for treating viral pneumonia, are prepared by the compound provided by the invention are more notable inactivity compared with clinical frontline drugs, and are better than drugs of ribavirin, oseltamivir and the like.

The invention discloses a preparation method of an anthraquinone-molecule non-covalent modified graphene / conductive polymer composite. The method comprises the steps of dissolving an anthraquinone derivative in a graphene oxide solution, performing stirring and ultrasonic dispersion, adding a conductive polymer monomer to the solution, performing stirring, ultrasonic dispersion and uniform mixing, and performing stirring and a reaction under a heating condition to prepare the anthraquinone-molecule non-covalent modified graphene / conductive polymer composite. According to the method, an anthraquinone molecule is anchored on the surface of graphene oxide by utilizing hydrogen-bond interaction and pi-pi interaction between the anthraquinone molecule and graphene oxide, an oxygen-containing functional group on the surface of graphene oxide serves as an oxidant, the monomer is oxidized into a conductive polymer, and graphene oxide is reduced into graphene, so that the prepared composite represents high conductivity and stability and can serve as a potential electrode material of a supercapacitor.

Red colorants comprising a chromophore having at least one poly(oxyalkylene) chain attached to the 1-position, as well as at least one poly(oxyalkylene) chain attached to either the 5-position or the 8-position of an anthraquinone backbone are provided. Such colorants exhibit excellent base stability, effective colorations, excellent low extraction rates, and high lightfastness levels, particularly when incorporated within certain media and / or on the surface of certain substrates, particularly polyesters. The poly(oxyalkylene) chains also increase the solubility in different solvents or resins thereby permitting the introduction of such excellent coloring chromophores within diverse media and / or diverse substrates as well as provides a liquid colorant which facilitates handling. Compositions and articles comprising such colorants are provided as well as methods for producing such inventive colorants are also provided.

The invention provides a redox flow battery (RFB) system based on an amino-anthraquinone derivative. The RFB system comprises two electrolyte reservoirs spaced apart from each other, wherein an electrolyte is stored in a tank or a solution chamber and includes a positive electrode active material, a negative electrode active material and a supporting electrolyte, the positive electrode active material is a 2,2,6,6-tetramethylpiperidine oxynitride (TEMPO) compound, the negative electrode active material is an anthraquinone derivative containing a carboxyl group, the positive electrode active material and the negative electrode active material are directly dissolved or dispersed in a bulk form in a system using water as a solvent and are stored in two salt caverns respectively, and the supporting electrolyte is dissolved in the system; and a RFB stack communicating with the two electrolyte reservoirs. The RFB system based on the amino-anthraquinone derivative according to the embodimentof the present invention has the advantages of low cost, high safety performance, stable charge-discharge performance, and high active material solubility.

The invention provides an anthraquinone derivative, as well as a preparation method and application of the anthraquinone derivative serving as an antibacterial agent. The preparation method comprises the following steps: culturing a strain of Nigrospora sp. (HM565952) in a strain culture medium; fermenting the nigrospora sp. in a fermentation culture medium; filtering the fermentation broth, removing thallus, and extracting the fermentation broth with ethyl acetate; concentrating the extract, and performing chromatographic separation, and concentrating the eluent to obtain two types of yellow powder, namely 3,5,8-Trihydroxy-7-methoxy-2-methylanthracene-9,10-dione and austrocortirubin; and adding an acetic anhydride reagent in a solution dissolved with the compound, and reacting to obtain the anthraquinone derivative. The anthraquinone derivative obtained from the Nigrospora sp. (HM565952) has selective inhibitory activity to Bacillus subtilis, Bacillus cereus, Micrococcus tetragenus, Micrococcus lutea, Escherichia coli, Staphylococcus aureus, Staphylococcus albus, Vibrio parahaemolyticus and Vibrio anguillarum, and can be used for developing selective bacteriostatic agents; and the raw materials can be produced on a large scale, and not limited by resources. Therefore, the anthraquinone derivative has the advantage of wide application prospect.

The invention relates to hydracid bisazo double-active-group reactive brilliant blue dyes, and a preparation method and application thereof. The structural formula of the dyes is disclosed in the specification, wherein when R1=-SO3Na or H, R2=-H; and when R2=-COONa, R1=-H, and R3 is disclosed in the specification. The preparation method comprises the following steps: carrying out reaction on cyanuric chloride and 3,5-diamido-2,4,6-trimethylbenzenesulfoamino substituted anthraquinone derivatives to obtain a primary polycondensation solution; adding 2,4-diamidobenzenesulfonic acid (sodium 2,4-diamidobenzenesulfonate) or 3,5-diamidobenzoic acid (sodium 3,5-diamidobenzoate), and reacting to obtain a secondary polycondensation substance; carrying out diazotization on the para-position ester or meta-position ester to obtain diazonium salts; adding hydracid, and reacting to obtain an acidic coupling product; carrying out diazotization on the secondary polycondensation substance to obtain secondary polycondensation substance diazonium salts; and adding the secondary polycondensation substance diazonium salts into the acidic coupling product, and reacting to obtain the hydracid bisazo double-active-group reactive brilliant blue dyes. The dyes have the advantages of bright color, high fixation rate, favorable fastness, short dyeing equilibrium time and high substantivity, and can be used for dyeing and dye printing of cellulose fibers and protein fibers.

The invention provides application of an emodin anthraquinone derivative in preparation of anti-hepatocellular carcinoma drugs. The emodin anthraquinone derivative is a 1, 4-dimethyl-6, 8-dimethoxy-9, 10-anthraquinone. The derivative not only can well inhibit proliferation of hepatocellular carcinoma cells, induce their apoptosis, and also has very small toxicity to normal cells. The derivative can be used in conjunction with 5-FU, cis-platinum and other chemotherapy drugs to increase the sensitivity of the chemotherapy drugs, thus achieving the effect of inhibiting hepatocellular carcinoma cell growth. Therefore, the emodin anthraquinone derivative can be used for preparing anti-hepatocellular carcinoma drugs or adjuvant chemotherapy drugs.

The invention discloses an anthraquinone lithium battery positive pole and a preparation method thereof. The concrete preparation method comprises the following steps: (1) acetylene black powder is added to a grinding miller and ground for 0.5 hour to 2 hours, and the ground acetylene black powder is sieved by a 1000-mesh sieve; (2) anthraquinone derivatives, the sieved acetylene black powder, N, N-dimethyl formamide (DMF) are mixed, and blended by a mould wash mixer at a room temperature for one hour at the rotation speed of 600 r / min, so that treated carbon dust is obtained; (3) the treated carbon dust is mixed with polyvinylidene fluoride, so that positive pole slurry is obtained; and (4) the slurry is coated on an aluminum foil with a scraper and stoved dry, so that a positive pole sheet is obtained. The anthraquinone lithium battery positive pole is simple in preparation procedure and free from the phase of synthesis of polymers. A lithium battery prepared by means of the positive pole has the advantage of being large in specific capacity.

Aromatic ketones having an extended fluoro-alkyl or fluoro-alkoxy moiety are disclosed. In particular aspects, the compounds comprise substituted 9-acridone, 9-xanthone, 4(1H)-quinolone, 4(1H) pyridone, 1,4-naphthoquinone, 9,10-anthraquinone derivatives. These preparations possess potent pharmacological activity for inhibiting malaria and mosquito-borne (Plasmodium) diseases. The haloalkyl / alkoxy aromatic compounds possess significant pharmacological activity, with IC50 values in the nanomolar and sub-nanomolar range, and reduced toxicity against host derived cells and tissues. Methods of using the fluoro-alkyl / alkoxy aromatic compounds in the treatment of malaria and other human and animal diseases are also disclosed. Agricultural uses of the fluoro-alkyl / alkoxy aromatic compounds, such as in control of fungal diseases and in the production of important commercial crops (apples, etc.), are also presented.

A process for treating the sewage generated by making paper with straw pulp includes such steps as preimmersing by alkali method, adding activating agent prepared from anthraquinone derivative, sodium alkylphenylsulfonate and epoxy ethane, fast low-temp digestion, adding 5 kinds of flocculant sequentially for separation, flocculating, decoloring, decomposing lignin and depositing, anaerobic digestion, aerobic aerating, cleaning by biomembrane, and dewatering dregs to obtain fertilizer.

The present invention belongs to the technical field of organic photoelectric materials, and discloses a class of cyano anthraquinone derivatives, a preparation method and an application thereof. The cyano anthraquinone derivatives have the following general formula (I), wherein Ar is an aromatic group. The cyano anthraquinone derivatives of the present invention have characteristics of simple preparation process, good morphology stability, good film forming property, and high singlet state energy level, and are suitable host materials. In addition, electroluminescent devices prepared by adopting the cyano anthraquinone derivatives as a light emitting layer have high luminous efficiency.

The invention provides an anthraquinone derivative and a synthetic method thereof and an application of the anthraquinone derivative in detection of Cu<2+>, and belongs to the technical field of anthraquinone derivatives and detection of copper ions. The synthetic method of the anthraquinone derivative comprises: performing heating and refluxing on salicylaldehyde and 1,2-diamino-anthraquinone in methanol, performing suction filtration, and performing washing to obtain the anthraquinone derivative. The invention also provides a method for detecting bivalent copper ions, comprising: quantitatively detecting the content of Cu<2+> in a solution of THF-H2O (pH=7.4) by taking the anthraquinone derivative as a probe. According to the detection method, the copper ions in an aqueous solution can be detected with high selectivity and high sensitivity; and the detection method is simple, convenient and quick in operation. Meanwhile, the invention provides test paper for detecting the bivalent copper ions, so that the Cu<2+> can be detected more conveniently and quickly.

The invention provides a synthesis method, a derivative and a battery system of an anthraquinone derivative containing a carboxyl group. The synthesis method of the anthraquinone derivative containingthe carboxyl group includes the following steps that S1, dibasic acid containing a terminal carboxyl group and sulfoxide chloride are mixed, toluene is added as a reaction solvent, a catalyst is added, and heated to a set temperature reaction; S2, after the reaction is completed, the solvent and the sulfoxide chloride are removed, the toluene is added for distillation, and a reactant is obtained;S3, the reactant is mixed with amino-anthraquinone, the toluene is added as the reaction solvent, and heating is conducted to a reflux reaction; and S4, after the reaction is completed, the solvent is removed, solids are filtered and removed, the pH value of a filtrate is adjusted to a predetermined value, the solids are separated out, filtered, washed and dried, and the anthraquinone derivativecontaining the carboxyl group is obtained. According to the synthesis method of the anthraquinone derivative containing the carboxyl group, simpleness is achieved, operation is easy, the cost is low,and the synthesis method can be applied to the battery system to solve the problem of electrochemical energy storage.

The invention relates to a process for the production of hydrogen peroxide by the anthraquinone process, comprising a hydrogenation stage, an oxidation stage and an extraction stage. According to the invention, catalytic hydrogenation of anthraquinone derivatives dissolved in a working solution is carried out in the presence of added molecular oxygen. Per mol hydrogen, 0.1 to 10 mmol oxygen is preferably introduced into the hydrogenation stage with the hydrogenating gas, in mixture with an inert gas and / or dissolved and / or dispersed in the working solution. This increases the residence time of the catalyst.

In one embodiment, a colored polymeric resin composition, comprises: a polymeric resin; and a 1,8-anthraquinone derivative having a purity of greater than or equal to about 90 wt % and having a Formula (VIII): wherein R2-R7 are, individually, selected from the group consisting of a hydrogen atom, a hydroxyl group, an alkoxy group, an aryloxy group, an aliphatic group, an aromatic group, a heterocyclic group, a halogen atom, a cyano group, a nitro group, —COR9, —COOR9, —NR9R10, —NR10COR11, —NR10SO2R11, —CONR9R10, —CONHSO2R11, and —SO2NHCOR11; in which R9 and R10 are, individually, selected from the group consisting of a hydrogen atom, an aliphatic group, an aromatic group, and a heterocyclic group; wherein R11 is selected from the group consisting of an aliphatic group, an aromatic group, and a heterocyclic group; and wherein R is selected from the group consisting of hydrogen, an alkyl group containing 1 to 20 carbon atoms, a cycloalkyl group containing 3 to 20 carbon atoms, an allyl group containing 3 to 20 carbon atoms, a hydroxyl group, a 5-membered heterocyclic ring, and a 6-membered heterocyclic ring.

The invention discloses an accessory ingredient used for bleaching slurry oxygen delignification, which aims to solve the problems that the traditional oxygen delignification technology adopts magnesium sulfate or sodium tripolyphosphate as fiber protection accessory ingredient to cause single chemical component and poor action effect, and can not perform good delignification action, and the improvement of the whiteness of the subsequent bleaching slurry is affected due to uneven reaction of oxygen and lignin. The accessory ingredient comprises the following components in percentage by weight: 5-15% of sodium dodecyl benzene sulfonate, 3-20% of sodium lignosulphonate, 5-25% of anthraquinone derivative, 25-65% of sodium sulfite and 1-15% of sodium tripolyphosphate. The accessory ingredient disclosed by the invention is compounded by various components, the delignification rate, the slurry yield and the slurry whiteness can be effectively improved, and the fiber is prevented from being degraded. Meanwhile, the use amount of bleaching agent in the subsequent bleaching process is effectively reduced, pollution on the environment by bleaching waste water is lowered, and the accessory ingredient has a higher economic value and a higher use value.

Formulations containing anthraquinone derivatives with increased effectiveness as pesticides are provided. These formulations may comprise (a) a preparation comprising one or more anthraquinone derivatives having activity against plant pests; (b) one or more C2-C7 alcohols, or glycols or lactones; and (c) one or more surfactants selected from the group consisting of a sulfate, ethoxylated fatty acid esters wherein said alcohols and surfactants are present in amounts effective to stability said preparation. Also provided are methods of using these formulations as pesticides.

The present invention relates to a method of using an anthraquinone derivative namely 9,10-Dihyro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid, or known as Rhein, for treating chronic pancreatitis induced fibrosis of the pancreas. More particularly, the present invention relates to a method of using Rhein, its derivatives and / or chemical variants as an anti-fibrotic agent. The present invention particularly relates to the suppression of pancreatic stellate cell activation for the management of chronic inflammatory, fibrotic and tumorigenic pathologies in the pancreas.

The invention relates to two novel substances, specifically (1R,2S,3S,4R)-3-acetoxy-1,2,4,5-tetrahydroxy-y-methoxy-2-methyl-1,2,3,4-tetrahydroanthracene-9,10-dione (3-O-acetyl-altersolanol M) (I) and 8-(4,5,6-trihydroxy-7-methyl-2-methoxy-9,10-dioxo-9H,10H-anthracene-1-yl)-(1S,2S,3R,4S)-1,2,3,4,5-pentahydroxy-7-methoxy-2-methyl-1,2,3,4-tetrahydro-9H,10H-anthracene-9,10-dione (atropisomeric alterporriol I und J), (II) to the use thereof as anti-infective agents or anti-cancer agents, and to a production method therefor.

A heteroannelated anthraquinone derivative compound is provided. The heteroannelated anthraquinone derivative compound is represented by a formula (I):wherein R1 is a substituent being one selected from a group consisting of i) a first substituent being one selected from a group consisting of a hydryl group, an amino group, a nitro group, a hydroxyl group and a cyan group, ii) a second substituent being one selected from a group consisting of (CH2)nX, a straight (CH2)n alkyl group, a (CH2)n alkoxyl group, a branched (CH2)n alkyl group, a C3˜C12nephthenic group, and a C3˜C12 cyclic alkoxyl group, wherein 1=n=12, and X is a halogen, iii) a third substituent being one selected from a group consisting of a straight C1˜C8 alkyl group with a double-bond, a C1˜C8 alkoxyl group with a double-bond, a branched C1˜C8 alkyl group with a double-bond and a C3˜C8 nephthenic group with a double-bond, and iv) a fourth substituent of a C5˜C12 heterocyclic group.