95results about "Amino-hydroxy-anthraquinone dyes" patented technology

Provided are compounds, methods and kits for identifying in cells of interest organelles including nuclei and a wide variety of organelles other than nuclei (non-nuclear organelles), as well as cell regions or cell domains. These compounds and methods can be used with other conventional detection reagents for identifying the location or position or quantity of organelles and even for distinguishing between organelles in cells of interest.

Disclosed are: a novel orange-colored disperse dye which has excellent staining properties onto a hydrophobic fiber material, a high light-resistant color-fastness, an excellent sublimation fastness, and a good buildup property, and is useful as a dye for use in an automotive interior sheet; a disperse dye composition for yellow-to-orange, brown, dark blue and black colors which comprises the disperse dye; an ink for ink-jet printing; a staining method or a stained material using the disperse die, the composition or the ink. The orange-colored disperse dye is represented by the formula (1) below and can stain a hydrophobic fiber material (e.g., a polyester) into orange color. [Chemical formula] (1) wherein X1 represents a chlorine or bromine atom; R1 represents a benzoyl group, a cyanoethyl group, a C1-C4 alkyl group, a phenyl group or a phenyl group substituted by at least one C1-C4 alkyl group.

This invention relates to an improved method for producing disperse red 60. The method comprises: bromizing and hydrolyzing 1-aminoanthraquinone in sulfuric acid medium to obtain 1-amino-2-bromo-4-hydroxylanthraquinone wet filter cake, condensing in the presence of phenol medium and acid-attaching agent, cooling to 95-100 deg.C at the condensation end-point, adding water, dropping alkali solution, cooling to 50-52 deg.C, filtering, washing, and drying to obtain 1-amino-2-bromo-4-hydroxylanthraquinone (disperse red 60). The method directly utilizes disperse red 60 wet filter cake to avoid the drying procedure, thus simplifying the operation, lowering the equipment investment, improving the operation conditions, and reducing the labor intensity. Besides, the method also increases product yield and quality, as well as reduces phenol amount.

The invention provides a labeling composition for an intraocular tissue of a living individual, which specifically labels the intraocular tissue without need of an invasive operation such as exposure of an ocular tissue or injection of a staining agent into the ocular tissue or a nerve tissue linking to the ocular tissue, a method of noninvasively labeling an intraocular tissue of a living individual, and a screening method using the labeling composition for the intraocular tissues. The composition contains a compound capable of labeling at least a photoreceptor cell layer of a retina, wherein the compound is a staining compound having a particular structure as a partial structure thereof.

A liquid crystal composition comprising at least one liquid crystal compound and at least one anthraquinone compound represented by formula (1) below: Formula (1) (wherein R<2 >to R<8 >each independently represents a hydrogen or substituent; Het is a sulfur or oxygen; B<1 >and B<2 >each independently represents an optionally substituted arylene, heteroarylene, cycloalkan-diyl or cycloalken-diyl; Q<1 >is a bivalent linking group; C<1 >is an optionally substituted alkyl, cycloalkyl, alkoxy, alkokycarbonyl or acyloxy; p, q and r each represents a number from 0 to 5 and n is a number from 1 to 3 satisfying 3<=(p+r)xn<=10; when plural {(B<1>)p-(Q<1>)q-(B<2>)r} are present, these may be the same or different) was disclosed.

The invention discloses a recovery method and comprehensive utilization of disperse red 60 by-products, belonging to the comprehensive treatment technical field of the chemical dyes and auxiliaries by-products, which comprises the following process steps: (1) acidification: the condensation mother liquid water obtained by condensation reaction of the 1-amino-2- bromine-4- hydroxyl anthraquinone and the phenol is acidi-regulated to the acid pH value, and sulfate or hydrochloride is added for acidulating; (2) standing stratification: the acidulated mother liquid water is kept still for more than a half hour, upper solution of disperse red sixty with phenol and dissolved in the phenol, and lower solution with potassium bromide and phenol are obtained; (3) separation: the lower solution is put in the potassium bromide catch trough, and then is derived into the potassium bromide extraction boiler; (4) extraction: organic solvent is put into the potassium bromide extraction boiler, after extracting, standing and stratification, the upper layer is phenol which can dissolve in the organic solvent, the lower layer is potassium bromide solution. The recovery method and comprehensive utilization of disperse red 60 by-products has the advantages of reducing production cost and environmental pollution effectively.

The invention relates to a preparation method for disperse violet 26. In the method, 1,4-diamino-2,3-dichloroanthraquinone and phenol undergo a condensation reaction in the presence of an acid-binding agent, so that 1,4-diamino-2,3-diphenyl oxide anthraquinone is generated; particularly, the condensation reaction is undergone in a water-insoluble inertial organic solvent of which the boiling point is 120-175 DEG C; the feeding weight ratio of the inertial organic solvent to phenol to 1,4-diamino-2,3-diphenyl oxide anthraquinone to the acid-binding agent is (1.5-2.5):(3-5):(0.9-1.1):1; and in the process of the condensation reaction, and water in a system is brought out by using the inertial organic solvent. In the preparation method, water (mainly water generated through a condensation reaction) in the system is brought out quickly by using a solvent, forward proceeding of the reaction is facilitated, the reaction time is greatly shortened, and the generation of a byproduct is reduced, so that the product has high yield and high purity, and the production cost is lowered.

The invention relates to a producing method of disperse red 60. The producing method mainly comprises the steps that firstly, 1-anthraquinone is adopted as raw material to make 1-amino-2-bromine-4-hydroxyanthraquinone dry product; secondly, the 1-amino-2-bromine-4-hydroxyanthraquinone dry product reacts with phenol to perform condensation reaction under the existence of acid binding agent to generate 1-amino-2-phenoxy -4-hydroxyanthraquinone, in the second step, the condensation reaction is performed in inert solvent with a high boiling point, the mass ratio of the inert solvent with a high boiling point, the phenol and the 1-amino-2-bromine-4-hydroxyanthraquinone dry product is 2.5 to 3.5 : 1.7 to 1.05 : 1, the inert solvent with a high boiling point is organic solvent which is insoluble in water and has a higher boiling point than that of the phenol, when the condensation reaction reaches the end, the phenol is removed through pressure reduction and distillation, 1-amino-2-phenoxy -4-hydroxyanthraquinone is separated through cooling, and the disperse red 60 is obtained through filtering. The producing method is simple, no wastewater is discharged, and the producing method can meet the requirement for clean production.

The invention discloses an extraction method of an anthraquinone allergenic dispersed dye shown in a formula (1) in the specification. The method comprises the following steps of: dissolving product dye corresponding to the formula (1) to a polar solvent and extracting a compound (1) by using a high-efficiency liquid-phase chromatography method under the conditions: a chromatographic column is a chromatographic column of octadecylsilyl bonded silica gel, methanol and water are used as moving phases for gradient elution, the ratio of the methanol to the water at the start gradient is 70:30 to 85:15, the ratio of the methanol to the water at the final gradient is 95 to 5, the gradient elution time is longer than 8min, the velocity of flow is 5-30ml / min, and the detection wavelength of an UV(Ultraviolet) detector is 210-570nm. The invention also discloses a product prepared by using the method and application thereof as a standard sample for analysis. The product obtained by using the extraction method of the invention reaches the purity up to 98.7-99.9 percent.

Disclosed herein is a composition for use as a film on an image display filter. In some embodiments, the composition includes a cyanine dye exhibiting an absorption maximum in the wavelength region from about 830 to about 880 nm or from about 580 to about 600 nm and an anthraquinone dye comprising an anthraquinone compound substituted with an amino group in one or more positions selected from the 1-, 4-, 5-, and 8-position.

The invention relates to an improved disperse red 92 synthesis technique. The invention takes disperse red 60 as raw material and chlorosulfonic acid as sulfonation reagent and after sulfonation, ionyl chloride is added for chlorosulfonation and the two steps are completed in one bath; icy water is added for segregation and filtration; the filter cake is washed by cold water; then in the water the filtrated mixture is reacted with condensing agent of Gamma-methoxy propylamine or Gamma-ethoxy propylamine with the function of catalysis to obtain the final product. The technique makes use of ionyl chloride as chlorosulfonation reagent, which improves reaction activity, reduces reaction temperature and coking during reaction process, improves product quality and dramatically improves reaction yield; by adopting water to replace Gamma-methoxy propylamine or Gamma-ethoxy propylamine in the prior art as reaction medium during condensing process, the invention greatly saves production cost and has significant economic benefit.

An object of the present invention is to provide a thermal transfer recording sheet that enables high-chroma images to be formed, has a high color-developability that enables a wide color gamut to be achieved, and enables high-quality black images to be formed using process black. The thermal transfer recording sheet includes a base material, and a yellow dye layer including a yellow dye, a magenta dye layer including a magenta dye, and a cyan dye layer including a cyan dye that are disposed on the base material. The magenta dye, yellow dye, and cyan dye each contain specific compounds.

The invention relates to disperse blue 2BLN, in particular to a method for preparing environment-friendly novel disperse blue 2BLN. The method is mainly applied to printing and dying industries, production industries and chemical industries. The method comprises the following steps: preparing a crude nitrified material, preparing a refined material, preparing a phenoxy object, preparing a binitro object, preparing a hydrolysate, preparing a reduzate, preparing a bromide and preparing a finished product. A product, prepared by using the method for preparing the environment-friendly novel disperse blue 2BLN, is high in purity, and the color brightness, the dispersing capability and the color fastness of the product are improved.

The invention relates to the field of fine chemical engineering, in particular to an industrial production method of disperse violet 26. The industrial production method comprises the following five steps: condensation, separation, filtration, acid precipitation and wastewater treatment; during wastewater treatment, a solvent which is cheap and easy to obtain and recycle is selected for extracting wastewater, and the treated wastewater is very low in chroma and COD and can directly enter a biochemical treatment pool. After adoption of the industrial production method, the yield of the disperse violet 26 is increased, and the consumption of phenol is greatly reduced, so that the raw material consumption and the cost are reduced, the chroma and the COD of the wastewater are reduced, and the purpose of a clean production process is achieved.

The radiation-sensitive composition and the negative working imageable element include a cationic IR absorber with tetraarylborate counteranion and an onium initiator with tetraarylborate counteranion. The use of these components provides high imaging sensitivity, good shelflife and high print run length.

The invention relates to an inorganic-organic hybrid compound as an ion compound, composed of an inorganic cation and an organic anion active substance and optionally, an organic anion fluorescent dye.

The present invention belongs to the field of dye technology, and is especially one kind of acid anthraquinone dye and its preparation process and application. The acid anthraquinone dye in the structure as shown is prepared through extracting 2-ethyl-6-sec-butylamine or 2-methyl-6-sec-butylamine from waste industrial oil, condensation reaction with 1, 4-dihydroxy anthraquinone, and sulfonating in a solvent process. The acid anthraquinone dye is applied in dyeing wool and wool fabric to obtain glow blue or bright purple, and has fastness performance similar to available acid anthraquinone dye.

The invention discloses a method for preparing disperse red. The preparation steps include preparing to obtain 1-amino-2-(4'-sulfonyl chloride) phenoxy-4-hydroxy-anthraquinone, and subjecting the intermediate to reacting with 3-ethyoxypropylamine to obtain 1-amino-2-<4'-(3-ethyoxypropylamine sulfonyl) phenoxy>-4-hydroxy-anthraquinone. The method for preparing the disperse red has the advantages that the process is simple, the yield is high, the total yield is larger than or equal to 95%, the finished product purity is larger than or equal to 99.8%, and the method can meet the requirements of industrial production.

The invention discloses a synthesis process of solvent violet 59. The synthesis process of the solvent violet 59 comprises the following steps: taking 1,4-binitro-2,3-dichloroanthraquinone and sodiumphenoxide as raw materials, performing condensation reaction under the existence of an organic solvent orthodichlorobenzene to generate 1,4-binitro-2,3-diphenoxyanthraquinone, and reducing the 1,4-binitro-2,3-diphenoxyanthraquinone to generate 1,4-diamido-2,3-diphenoxyanthraquinone. The activity of the 1,4-binitro-2,3-dichloroanthraquinone is higher than the activity of the 1,4-diamido-2,3-dichloroanthraquinone, and the reaction is easier to conduct, so the reaction time is greatly shortened; furthermore, the reaction has little side reactions, the yield is high and undissolved substances aregreatly reduced; moreover, the synthesis route avoids generation of a large amount of salt-containing waste water, and the process is relatively clean and environment-friendly.

The invention relates to a preparation method for disperse red 60. The preparation method comprises the step of conducting reaction on dried 1-amino-2-bromine-4-hydroxy-anthraquinone with phenol under the existence of an acid-binding agent, wherein the moisture content of the dried 1-amino-2-bromine-4-hydroxy-anthraquinone is controlled under 0.2 wt%; the condensation reaction is implemented through the following steps: (1) adding potassium carbonate and phenyl hydroxide in a reaction vessel; mounting a dehydration device; conducting dehydration and temperature increasing to 130-155 DEG C under normal pressure or negative pressure; when no water is dehydrated in the dehydration device, adding the dried 1-amino-2-bromine-4-hydroxy-anthraquinone in a system passing the step (1); maintaining the temperature at 150-158 DEG C for reaction. The yield is up to 93%; the chromatograph content of the obtained disperse red 60 product is above 99.5%; compared the cloth dyed by the disperse red 60 with standard cloth, the clothes are similar in color and luster, and good in quality.

The invention relates to an improved condensation process of disperse red 146. 1-amino-anthraquinone is taken as raw material, 1-amino-2-bromo-4-hydroxyanthraquinone is obtained by bromination and hydrolysis in sulfuric acid solution; the 1-amino-2-bromo-4-hydroxyanthraquinone is condensed with phydroxy phenol in mixed solvent medium, with the existing of acid binding agent and catalyst, and the temperature reduces to 75-80 DEG C after reaching the end point and methanol is dripped with controlling the temperature, and the segregation is done, the temperature is reduced under 50 DEG C after the segregation; the disperse red 146 is produced after standing, filtering and then the filter cake is cleaned by methanol and hot water. The invention is characterized in that: the 1-amino-2-bromo-4-hydroxyanthraquinone used in the condensation is wet cake added with the mixed solvent medium as well as the catalyst. By applying 1-amino-2-bromo-4-hydroxyanthraquinone wet cake directly, drying process is saved and operation is simplified, thereby reducing equipment investment and improving operation environment and reducing labor intensity; besides, the method also improves reaction yield and product quality and the economic benefit is very obvious.

The invention relates to the synthesis technique improvement of disperse red 91 which uses the disperse red 60 and hexanediol as raw materials, uses potassium carbonate or potassium hydroxide as an acid binding agent and uses an emulsifier of OP series as a catalyst; after the raw materials are condensed at high temperature to the terminal, the product can be segregated by methanol (or ethanol) when the temperature is cooled, and at last the product is filtrated and separated. The mother liquid is rectified to recycle the methanol (or ethanol), phenol and hexanediol, and the technique improves the product quality.

Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.

The liquid crystal composition of the present invention contains a compound represented by the following Formula (1) and a liquid crystal. In Formula (1), at least one among R1 to R7 is a liquid crystalline substituent, and those among R1 to R7 that are not a liquid crystalline substituent each independently represent a hydrogen atom or a substituent. X and Y each independently represent an alkyl group, a halogen atom, an alkoxy group, or an alkylthio group. Z represents an alkyl group having 3 or more carbon atoms, an acyl group, or an aryl group. A represents an oxygen atom, a sulfur atom, or a nitrogen atom. n represents 0 or 1. The liquid crystal device, reflection display material, and light modulating material of the invention contain the liquid crystal composition.