161 results about "Anthraquinone Derivatives" patented technology

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.

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 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.

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 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.

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 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.

This invention relates to novel anthraquinone compounds useful in the treatment of allergic, inflammatory conditions, antioxidant, tumor condition, stem cell application, tissue engineering, applied in treating age-associate tissue degeneration, reverse organ failure in chronic high-turnover disease and therapeutic compositions containing such compounds. The compounds of the present invention are 1,4-, 1,5- and 1,8-difunctionalized anthraquinones or analogs thereof. According to the practice of the invention, there are provided bis-symmetrical substituted anthraquinone compounds according to formula I:

wherein R1, R2, R3 and R4 present a straight, aminoalkylamino side chains or branched chain alkyl group having 1 to 6 carbons which may be substituted with one or more groups of R5, or R1, R2, R3 and R4 present phenyl or benzyl which may be substituted with one or two groups of R6; wherein R5 is selected from the group consisting of halogen, —RNH₂, —RNH₂R, —ROH, —NO₂, —OCH₃, —OCH₂CH₃, and —OCH₂CH₂CH₃; and wherein R6 is selected from the group consisting of a straight or branched chain alkyl group having 1 to 4 carbons, halogen, —RNH₂, —RNH₂R, —ROH, —NO₂, —OCH₃, —OCH₂CH₃, —OCH₂CH₂CH₃, —CH₂Br, —CH₂Cl, —CH₂OH, —C(CH₃)₃, —(CH₂)₂0H, —(CH₂)₃OH, —(CH₂)₄OH, —CH₂NH₂, —(CH₂)₂NH₂, —(CH₂)₃NH₂, —(CH₂)₄NH₂, —(CH₂)₅NH₂, —CH₂N(CH₃)₂, —(CH₂)₂N(CH₃)₂, —(CH₂)₂NH(CH₂)₂OH, —(CH₂)₃NH(CH₂)₂OH, —(CH₂)₂NHCH₂OH, —(CH₂)₃NHCH₂OH, —CH₂CH(CH₃)₂, —CHCl₂, —CH(CH₃)Cl, —(CH₂)₂Cl, —(CH₂)₃Cl, —(CH₂)₃Br, —(CH₂)₄Br, and —(CH₂)₄Cl.

Chart 1. Activation of hTERT promoter-driven SEAP expression by c-Myc. About 1×10⁷ hTERT-BJ1 cells were transfected with 13.5 μg each of plasmid pSEAP or pPhTERT-SEAP and of plasmid pMT2T or pMT2T-cMyc by electroporation. After 24 h, viable cells were harvested, and reinoculated at a density of 3×10⁵/mL, and the SEAP activity after 24 h at 37 □. The transfection efficiency of each experiment was determined by cotransfection with 1.5 μg of plasmid pCMVβ. The values were determined from three experiments. P<0.05 is presented by an asterisk.