64results about "Diaryl/thriaryl methane dyes" patented technology

The present invention provides a modified triarylmethane dye comprising a structure represented by Formula 3, wherein R1, R2, R3, R4, R5, R6, R7, A1, A2, A1'and A2 'are as defined herein. # imgabs0 #

The purpose of the present invention is to provide a triarylmethane pigment having excellent heat resistance and to provide a colorant for a color filter having good color characteristics by using a coloring composition using the triarylmethane pigment because the heat resistance of a conventional triarylmethane pigment is not sufficient. Provided are a triarylmethane dye represented by general formula (1), a coloring composition containing the dye, a colorant for a color filter, and a color filter. In # imgabs0 # formula (1), R1-R5 represent H, an alkyl group, an aromatic hydrocarbon group, or a heterocyclic group, R6-R10 represent H, a halogen atom, OH, CF3, NO2, CN, an alkyl group, or an alkoxy group, R11-R14 represent H, an alkyl group, or an aromatic hydrocarbon group, and at least one of R8 and R12-R14 represents an alkyl group or an aromatic hydrocarbon group. An represents an anion, and m represents a natural number.

The invention provides a triarylmethane dye and application thereof, and particularly provides a triarylmethane dye, a coloring composition and an optical filter. By designing the structure of the triarylmethane dye, the triarylmethane dye with excellent performance is obtained, and the triarylmethane dye has high thermal stability.

The invention discloses a triarylmethane type I photosensitive dye as well as a synthesis method and application thereof. The structure of the dye is shown as a general formula I; intramolecular charge separation is optimized by regulating substituent groups, and the generation efficiency of superoxide anions and hydroxyl radicals is remarkably improved. According to the synthesis method, 4-diphenylaminobenzaldehyde or 4-vinyl benzaldehyde is used as a raw material, efficient preparation is achieved through the steps of condensation, oxidation and the like, the raw material is easy to obtain, and operation is easy and convenient. The dye has strong absorption at the wavelength of 600-630 nm, is suitable for red light triggered photodynamic therapy (PDT), especially keeps high reactive oxygen yield under the hypoxic condition, and breaks through the oxygen dependence limitation of traditional PDT. Experiments show that the dye can induce ferroptosis of tumor cells, has the functions of fluorescence imaging and treatment, and has wide application prospects in the fields of antitumor drugs, in-vivo fluorescence labeling, photoresponsive functional preparations and the like.

To provide a colored resin composition capable of forming a color filter that exhibits excellent brightness and contrast.SOLUTION: The colored resin composition comprises at least one acid selected from the group consisting of a phenylphosphonic acid and a diphenylphosphonic acid each of which may have a substituent, a colorant, a dispersant, and a resin, wherein the colorant comprises a compound represented, for example, by the following formula and the dispersant has an amine value from 0 mgKOH / g to 65 mgKOH / g inclusive.SELECTED DRAWING: None

The present invention relates to a process for preparing a compound corresponding to the formula, this process being characterized in that it comprises at least one oxidation step of sulfonated triphenylmethane of formula [Chem V] with a quinone selected from 1,4-benzoquinone, 1,2-benzoquinone, a dialkyl(C1-C4) 1,4-benzoquinone, a dialkyl(C1-C4) 1,2-benzoquinone, a monoalkyl(C1-C4) 1,4-benzoquinone, a monoalkyl(C1-C4) 1,2-benzoquinone. Novel crystalline form of Patent Blue, sodium salt.

To provide: a triarylmethane dye excellent in heat resistance; and a coloring agent for a color filter having favorable color characteristics by means of a colored composition using the dye.SOLUTION: The invention provides: a triarylmethane dye represented by the general formula (1) in the figure; a colored composition containing the dye; a coloring agent for a color filter; and a color filter. (In the formula (1), R1 to R4 each represent H, an alkyl group, or an aromatic hydrocarbon group; R5 and R6 each represent H, a halogen atom, OH, CF3, NO2, CN, an alkyl group, an alkoxy group, or an aryloxy group; AH represents a heterocyclic group; An represents an anion; and m represents a natural number.)SELECTED DRAWING: None

To provide a color filter excellent in light resistance.SOLUTION: A color filter according to the present invention includes pigment and binder, and has chloride ion content of 10 ppm or more and 400 ppm or less.SELECTED DRAWING: None

The present disclosure is directed to compositions, kits, and methods for synthesizing a Schiff s reagent in situ, i.e., directly on a substrate, such as within a puddle disposed on the surface of a substrate. In some embodiments, the kits comprise at least a dye composition and a sulfite composition. In some embodiments, the dye composition comprises a compound having a 4-Benzhydrylidene-2,5-cyclohexadien-1-imine core functionalized to include at least two substituted or unsubstituted amine groups, wherein the compound has a molecular weight ranging from between about 300 g / mol to about 600 g / mol. In some embodiments, the dye composition optionally includes an acid. In some embodiments, the sulfite composition comprises a sulfite or SO2 source.

The present invention addresses the problem of providing a colored resin composition capable of forming a color filter having excellent brightness and contrast. The present invention relates to a colored resin composition containing phenylphosphonic acid which may have a substituent, a colorant, a dispersant having an amine value of less than 70 mgKOH / g, and a resin, wherein the colorant contains a compound represented by formula (I). # imgabs0 #

The invention provides a compound containing a triarylmethane structure and application thereof, and belongs to the technical field of dye materials. The organic compound with excellent performance is prepared by designing the molecular structure of the compound containing the triarylmethane structure. The compound containing the triarylmethane structure has the characteristics of high brightness, high contrast ratio and high solvent resistance, and can be used as a coloring agent for preparing a liquid crystal display screen.

Revealed is a coolant composition for a vehicle, with excellent color stability and corrosion resistance.

The invention relates to the technical field of organic synthesis, in particular to a preparation method and application of 2-[4-(dihexylamino)-2-methoxybenzoyl] benzoic acid. Comprising the following steps: reacting N, N-dihexyl-3-methoxyaniline with phthalic anhydride in an aprotic solvent by taking Lewis acid as a catalyst, so as to obtain the 2-[4-(dihexylamino)-2-methoxybenzoyl] benzoic acid. By adopting the preparation method disclosed by the invention, high-yield (more than or equal to 88.35%) and high-purity (more than or equal to 99.32%) synthesis of 2-[4-(dihexylamino)-2-methoxybenzoyl] benzoic acid is realized; compared with an existing nucleophilic acyl substitution-hydrolysis method, the yield is 55.62%, and the purity is 75.85%, the yield is improved by 32.73%, and the purity is improved by 23.74%; compared with an existing transition metal catalysis-oxidation method with the yield of 64.94% and the purity of 80.85%, the yield is improved by 23.41%, and the purity is improved by 18.47%.

To provide compounds, conjugates and methods that may be used to detect the presence of an analyte in a sample, such as a biological sample.SOLUTION: The invention provides compounds of formula (I), or salts thereof.SELECTED DRAWING: Figure 1

Provided are tissue regeneration wound treatments, methods of producing the tissue regeneration wound treatments, and methods of treating wounds using the tissue regeneration wound treatments. The tissue regeneration wound treatments include a skin substitute and a colorant applied to the skin substitute. The colorant is a biocompatible colorant that degrades upon attack by proteases within the treated wound.

The present disclosure provides a laundry care composition having at least one laundry care ingredient and at least one leuco composition conforming to formula (I): Ar 1 Ar 2 Ar 3 CH(I) wherein Ar 2 and Ar 3 are independently a carbocyclic aryl or a heteroaryl, and Ar 1 is selected from: unsubstituted phenyl, electron-deficient carbocyclic aryl and heteroaryl. The present disclosure also provides a method for determining a true laundry care composition and a test kit for detecting a true laundry care composition.

The present disclosure provides a novel method of amplifying and sequencing L-form polynucleotide. Further provided include L-form nucleotides and D-form enzymes that can be used in the method. The method of making the L-form nucleotides and D-form enzymes are also provided.

Provided are: a resin composition comprising a coloring material and a resin, wherein the coloring material includes a coloring material A comprising a cation having a colorant structure and an anion represented by formula (1) or formula (2); and a film, an optical filter, a solid-state imaging element, and an image display device each obtained using the resin composition. In formula (1), R11 and R12 each independently represent a group represented by formula (3). In formula (2), R21 to R23 each independently represent a group represented by formula (3). In formula (3), * indicates a bond, R101 to R103 each independently represent a hydrogen atom or a substituent, and at least one of R101 to R103 includes an electron withdrawing group containing no fluorine atom.

The invention relates to a triarylmethane dye and application thereof, and belongs to the technical field of dye compounds. By designing the structure of the triarylmethane dye, the dye compound with relatively good thermal stability and relatively high transmittance is obtained, and the optical filter prepared from the triarylmethane dye has excellent comprehensive performance.

To provide a triarylmethane dye with excellent heat resistance, and also to provide a colorant for color filters with excellent color characteristics by utilizing a coloring composition containing the dye.SOLUTION: Provided is a triarylmethane dye represented by the general formula (1). [In the formula, R1 to R5 represent H, an alkyl group, an aromatic hydrocarbon group, or the like; R6 to R10 represent H, a halogen atom, OH, CF3, NO2, CN, or the like; R11 to R14 represent H, an alkyl group, or the like; at least one of R8 and R12 to R14 is an alkyl group or an aromatic hydrocarbon group].SELECTED DRAWING: None

The present disclosure relates to compositions, kits, and methods for in situ synthesis of Schiff reagents, i.e., directly on a substrate, for example, in a liquid pool disposed on the surface of the substrate. In some embodiments, the kit comprises at least a dye composition and a sulfite composition. In some embodiments, the dye composition comprises a compound having a 4-benzohydrylidene-2,5-cyclohexadien-1-imine core functionalized to include at least two substituted or unsubstituted amine groups, the compound having a molecular weight in the range of about 300 g / mol to about 600 g / mol. In some embodiments, the dye composition optionally includes an acid. In some embodiments, the sulfite composition includes a sulfite or a SO2 source.

The present disclosure relates to compositions, kits, and methods for in situ synthesis of Schiff reagents, i.e., directly on a substrate, for example, in a liquid pool disposed on the surface of the substrate. In some embodiments, the kit comprises at least a dye composition and a sulfite composition. In some embodiments, the dye composition comprises a compound having a 4-benzohydrylidene-2,5-cyclohexadien-1-imine core functionalized to include at least two substituted or unsubstituted amine groups, the compound having a molecular weight in the range of about 300 g / mol to about 600 g / mol. In some embodiments, the dye composition optionally includes an acid. In some embodiments, the sulfite composition includes a sulfite or a SO2 source.

The application provides a triarylmethane compound and a preparation method and application thereof, and belongs to the technical field of organic compounds. The triarylmethane compound is prepared by connecting a benzopentacyclic ring structure to a key position of a triarylmethane compound skeleton through structure design, and has excellent performance. The preparation method of the triarylmethane compound is simple and convenient, and has a high yield. The blue dye obtained by taking the triarylmethane compound as a blue dye has high selective absorption and transmission capacity at a wavelength of 450 nm, and has high thermal stability.

Provided is a reaction solution for amplifying a nucleic acid, the reaction solution having coloration that is easily visible before a reaction and having no coloration that interferes with fluorescence from the amplified nucleic acid after the reaction. A reaction solution for amplifying a nucleic acid, the reaction solution having a pH of 7.5-10.5 and containing a colorant, the colorant being a water-soluble dye colorless in the reaction solution at a pH of 7.5-10.5 and at 40 DEG C or higher. A reaction solution for amplifying a nucleic acid, the reaction solution containing a color-changing agent and a colorant, the color-changing agent being an oxidizing agent, a reducing agent, or an acidifying agent, and the colorant being a water-soluble dye that changes color or becomes colorless in the reaction solution at 40 DEG C or higher in the presence of the color-changing agent.