159 results about "Azine" patented technology

The invention belongs to the technical field of analysis and detection materials, and discloses an arylsalicylaldehyde-diphenyl-azine hydrazine compound as well as preparation and application. The compound has a structural general formula of formula (1) shown in the description, wherein Ar represents an aryl group or a derivative structure thereof, and substituent groups R1 to R10 are respectively selected from hydrogen, alkyl, alkoxy, aryl group and relative derivative structures thereof. The preparation method of the compound comprises the following steps: heating diphenyl hydrazine derivative and arylsalicylaldehyde to be 30 to 90 DEG C in a solvent for 6 to 12 hours' reaction, and separating and purifying reaction products, so as to obtain the arylsalicylaldehyde-diphenyl-azine hydrazine compound. The compound provided by the invention shows strong characters of a fluorescence probe, and also shows stronger selective recognition capability to substructures and metal ions in a cell, thereby achieving great high development value.

The invention discloses an aggregation-induced emission-based copper ion detection probe and a preparation method and application thereof. The structure of the fluorescent probe is as shown in a formula I, and the fluorescent probe is prepared through formylating hydroxytetrstyrene as a raw material and forming triphenylethylene-based salicylaldehyde azine together with hydrazine hydrate. The probe is stable in optical property, high in copper ion detection sensitivity and low in lower detection limit, the detection limit is 30.9nM and the response range is 0.5-7.5muM; the probe is good in selectivity and free of response to cations such as a silver ion, a barium ion, a calcium ion, a lithium ion, a magnesium ion, an ammonium ion, a nickel ion, a zinc ion, a mercury ion, a cobalt ion and a lead ion; and the probe is simple in synthesis, mild in condition and high in yield. The fluorescent molecular probe has practical application value in the field of copper ion detection in biochemistry and environmental chemistry.

A cyclic azine compound of formula (1):

wherein, Y is C—H or a nitrogen atom, Ar¹ is a C_6-18 aromatic hydrocarbon group, which may be substituted with an C_1-4 alkyl group or a phenyl group, Ar² is a hydrogen atom, or a C_6-18 aromatic hydrocarbon group, which may be substituted with a phenyl group or a pyridyl group, or is a nitrogen-containing condensed ring C_9-15 aromatic group, Ar³ is a nitrogen-containing condensed ring C_9-15 aromatic group, X is a phenylene group, and n is an integer in the range of 0-3. The cyclic azine compound is useful as a constituent of an organic electroluminescent device.

The invention discloses a method for directly producing water soluble aniline black, and relates to the preparation of an azine acid dye. The method particularly comprises the following steps of: 1, performing condensation reaction on aniline and nitrobenzene in the presence of iron trichloride serving as a catalyst; 2, naturally cooling the condensed mixture to normal temperature; 3, crushing the naturally cooled mixture and directly putting the crushed mixture into sulfuric acid for sulfonation reaction; 4, placing the sulfonated mixture in cold water for separation; 5, performing solid-liquid separation and washing on the separated mixture and then performing dehydration; 6, neutralizing the dehydrated mixture with sodium hydroxide or sodium carbonate; and 7, drying the neutralized mixture so as to obtain the granular water soluble aniline black. The method for directly producing the water soluble aniline black of the invention simplifies the processing steps, shortens the process period, saves a large amount of energy sources and labor resources, reduces the waste water discharge and greatly improves the labor efficiency and production efficiency.

This invention relates to an organic electroluminescence (EL) device and to the use of a tris-cyclometalated iridium complex with a 3-Phenyl-azine ligand for thin-film type organic electroluminescence devices.

The iridium complexes used have the following formulae:

A process for reclaiming the acetone and ammonia from the rejected saline generated in preparing hydrazine hydrate from ammonia, sodium hypochlorite and ketone by oxidizing method includes bubble evaporating, flash evaporating, and returning the recovered acetone and ammonia back to production system of hydrazine hydrate.

A photoconductor comprises a substrate and at least one layer. The at least one layer is selected from the group consisting of charge transfer layers comprising a charge transfer molecule, polycarbonate and a first polyaryl ether selected from the group consisting of polyaryletherketones, poly(aryl-perfluoroaryl ether)s, polyaryletherketone-hydrazones, polyaryletherketone-azines and mixtures and copolymers thereof; charge generating layers comprising a pigment, a polyvinylbutyral and a second polyaryl ether selected from the group consisting of polyaryletherketones, polyarylethersulfones and mixtures and copolymers thereof; and mixtures thereof.

An organic electroluminescence device includes: an anode; a cathode; and an organic layer interposed between the anode and the cathode, in which the organic layer includes an emitting layer and the emitting layer includes a compound represented by a formula (1) below and a compound represented by a formula (2) below. Az₁ of the formula (1) below and Az₂ of the formula (2) below are each an azine ring. Cz of the formula (1) below and HAr of the formula (2) below are each a nitrogen-containing heterocyclic ring.

High sensitive organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading. The medium consists of a fluorescent color means, capable of absorbing writing radiation produced by a laser, a compound capable of generating free radicals upon influence of heat produced by the writing radiation and a polymer capable of producing a translucent film enabling high quantum yield of the fluorescence induced in the color means. The color means can be selected from xanthene dyes of the eosine and rhodamine groups, acridine, oxazine, azine, peylene, violanthrone, cyanine, phtalocyanine, indigoide colors and porphyries. The free radicals generating compound can be chosen from the group of compounds comprising azo and diazoi compounds or peroxyde compounds. The film producing polymer can be selected from the group of compounds comprising cellulose ethers, vinyl resins or acrylic resins.

The invention concerns novel benzisoselen-azoline and -azine derivatives. These novel derivatives have the following general formula (II): where: R1 to R8 and R10 have various meanings, in particular H, alkyl, etc . . . ; Y- represents the anion of a pharmaceutically acceptable anion; n=0, 1; m=0, 1, 2; p=1, 2, 3; q=2, 3, 4; r=0, 1; and their pharmaceutically acceptable salts of acids or bases; there being no more than one substituent R9 in each molecule with general formula II. These novel derivatives can be used in medication.

The invention relates to a carbon-azine composite water-based negative electrode material and application thereof. The carbon-azine composite water-based negative electrode material utilizes the conductivity, porosity and adsorbability of a nano carbon material and the reaction capability of polycyclic aromatic hydrocarbon-like compounds of the carbon material to carry out functionalized graftingto form a cross-linked network structure, so as to improve the liquid absorbency and ionic conductivity of the carbon material, and compound the heterocyclic azine compound onto carbon granules to form a carbon-azine composite material. The carbon-azine composite material is used as a water-based negative electrode, a sodium manganate or nickel hydroxide electrode is used as a positive electrode,and an electrolyte is a liquid or gel-state material taking sodium salt or sodium hydroxide as a solute and water as a solvent; and the positive electrode and the negative electrode are separated by adiaphragm to form a battery. The negative electrode material has high utilization rate and capacity, is applied to an aqueous rechargeable battery, and has high specific discharge capacity and good cycle performance; and a water-based rechargeable battery composed of the carbon-azine composite water-based negative electrode material and the sodium manganate or nickel hydroxide positive electrodehas the advantages of relatively high specific energy, safety, low cost, environmental protection and long cycle life.

The invention relates to a trinitroethyl energetic compound. According to a method for preparing the trinitroethyl energetic compound, low temperature vacuum distillation is combined based on an extraction method to obtain a trinitromethane solution, wherein the operation is simple and safe; the trinitromethane reacts with paraformaldehyde to synthesize trinitroethanol so as to avoid explosion danger due to trinitroethanol distillation, and provide advantages of high purity and high yield; the trinitroethanol and an amino group in an amine, an azole or an azine are subjected to a condensation reaction to synthesize the trinitroethyl energetic compound. The trinitroethyl energetic compound of the present invention has high explosion heat and high oxygen balance value, and is a candidate oxidizing agent variety, wherein the candidate oxidizing agent variety can replace commonly used components comprising AP and HMX of solid propellants, part of the trinitroethyl energetic compound provides significantly-lowered sensitivity and the same energy compared with the HMX, and the trinitroethyl energetic compound of the present invention is adopted as an excellent low sensitivity high energy compound, and provides wide application prospects in the field of solid propellants.

The present invention relates to azine metal phosphates, compositions containing the same, a process for preparing the same and their use as flame retardants. Typical representatives are (A-H)⁺⁾[MtPO₄]⁽⁺⁾.2H₂O and (Mel-H)⁽⁺⁾[AlP₂O₇]⁽⁺⁾ (where A=melamine or guanidine, Mel=melamine and Mt=Mg or Zn).

The present invention relates to a salvia ligustrazine injection, its preparation and application. Said preparation method includes the following steps: decocting salvia root, concentrating, adding clearer, centrifugalizing, alcohol precipitation, water precipitation and ultrafiltering so as to obtain salvia active component, mixing said salvia active component with ligustrazine, filling and sterilizing 20 as to obtain the invented injection preparation. Said preparation can be used for intramuscular injection and intravenous injection.

An azine compound represented by the formula (1), a method for its production and an organic electroluminescent device containing it as a constituent component.

wherein Ad each independently represents a 1-adamantyl group, etc., p and q are each independently 0 or 1, Ar¹ and Ar² are each independently a single bond (but only when p is 1, or q is 1), or a pyridyl group which may be substituted by a phenyl group, etc., incidentally, Ad groups on Ar¹ and Ar² are each independently bonded to said pyridyl group, etc., Ar² is each independently a C_3-13 heteroaromatic group which may be substituted by a fluorine atom, etc., X¹, X², X³ and X⁴ are each independently a single bond, etc., m and n are each independently 0, 1 or 2, Z is a nitrogen atom, etc., n+p+q is 1, 2 or 3.

The invention relates to microorganism derived antioxidant, in particular to a hydroxyl-anthraquinone derivative with antioxidant activity and application thereof. A structural formula of the hydroxyl-anthraquinone derivative is shown as a formula I, and the hydroxyl-anthraquinone derivative is prepared from talaromyces fungus Talaromyces islandicus by fermentation. According to experiments, the hydroxyl-anthraquinone derivative which is a compound has high activity in scavenging of radicals DPPH (1,1-diphenyl-2-trinitrophenylhydrazine) and ABTS (2,2'-azine-bis-(3-ethylbenzothiazoline-6-sulfonic acid)) and can be applied to preparation of antioxidation related drugs, food additives, cosmetic additives or the like.

The invention relates to an azine-connected benzotrithienyl covalent organic framework material as well as a preparation method and an application thereof. The invention belongs to the field of material preparation, and particularly relates to a synthesis scheme for preparing an azine covalent organic framework material through an imine exchange strategy and an application of the azine covalent organic framework material to hydrogen production through photocatalytic decomposition of water. The preparation method comprises the following steps: reacting aniline serving as a molecular regulator with benzo [1, 2-b: 3, 4-b': 5, 6-b'] trithiophene-2, 5, 8-trialdehyde to obtain an intermediate, and carrying out imine exchange on the intermediate and hydrazine hydrate to finally obtain the azine covalent organic framework material (BTT-Azine COF). The azine covalent organic framework is prepared through an imine exchange strategy, is applied to photocatalytic decomposition of water to produce hydrogen, and has potential application value in the field of photocatalysis.

The invention provides an environment-friend synthesis method of azine, which comprises synthesizing ammonia, hydrogen dioxide and ketone in the reaction system of catalyst and carbowax at 10-100DEG C, separating water phase and organic phase, distilling the organic phase, and purifying via decompresson and recrystallization to obtain azine product. The environment-friend synthesis method of azine utizlies carbowax which has high thermal stability, is not volatile, inflammable and toxic, is bio-degradable, cheap and easy to get, easy to recover and circulate, with high product yield. The acetonitrile of organic phase in reaction, unreacted ketone, the catalyst in water phase and unreacted ammonia can be recovered without effect on reaction yield.

The invention relates to a compound active additive and applications thereof. The compound active additive is a mixture composed of 50 to 75% of quaternary ammonium salt (A), 15 to 30% of imidazole (B), and 10 to 20% of azine (C). The provided compound active additive is used to deeply remove acidic components from acidic natural gas containing carbon dioxide and organic sulfur. The active additive is compounded with an alcohol-amine solvent before using, the addition amount of the additive is 1 to 10% of the solvent weight, the pH of the mixture is 11 to 12 at a temperature of 25 DEG C, and the final kinematic viscosity is 20 to 30 m2/s. The active additive can deeply remove hydrogen sulfide, carbon dioxide, and organic sulfur. The hydrogen sulfide content is less than 3 mg/m3, the carbon dioxide content is less than 50 mg/m3, and the organic sulfur content is less than 50 mg/m3 after application of the active additive. At the same time, the anticorrosive and antifoaming properties of alcohol-amine solvent are improved, and the thermal stability and chemical stability of the alcohol-amine solvent are not affected.