15 results about "Thianthrene" patented technology

The invention discloses a thianthrene monomer, a holographic recording medium, a preparation method and a related device, the structural formula of the thianthrene monomer is shown as G1-G6, the refractive index of the thianthrene monomer is larger than 1.7 and smaller than 1.8, the diffraction efficiency can be remarkably improved, and further, the holographic recording medium can be applied to holographic recording. The thianthrene monomer with the structure is introduced into the photopolymer type holographic recording medium, so that the holographic recording medium with high sensitivity, high diffraction efficiency and high refractive index is obtained, and the invention further provides a preparation method of the holographic recording medium. The invention also provides a volume holographic grating, a holographic optical element and an optical device comprising the holographic recording medium.

The application discloses a kind of heterogeneous methylation reagent and preparation method thereof, it is related to organic synthesis technical field.The preparation method of heterogeneous methylation reagent provided by the application, the heterogeneous methylation reagent is heterogeneous aryl sulfide type methylation reagent or heterogeneous aryl sulfide type deuteromethylation reagent, this preparation method is based on the synthesis method of superhigh crosslinking polymer, by aryl sulfide compound with thianthrene as representative is polymerized, the reactivity of material obtained after polymerization still retains monomer, can repeatedly cycle and carry out methylation or deuteromethylation, reach almost 100% atomic utilization efficiency.The traditional homogeneous sulfur methyl methylation reagent such as (DMTT) will produce dibenzothiophene by-product after reaction, and it is very difficult to separate and purify methylated product, and the methylation reagent of heterogeneous of the application only needs simple centrifugation or suction filtration step to realize the separation of product and methylation reagent, greatly improve synthesis efficiency.

The invention discloses a thianthrene derivative-based thermally activated delayed fluorescent material as well as a synthesis method and application thereof. The thermally activated delayed fluorescent material has a structural general formula as shown in a formula I, wherein R is a cyanobenzene group, a benzophenone group or a diphenyl sulfone group; r'is a structural group shown in the specification. The thianthrene derivative-based thermally activated delayed fluorescent material shows a highly twisted molecular structure, has a small energy gap difference, accelerates the RISC process, and achieves 100% theoretical internal quantum efficiency. Due to the introduction of two donor units of carbazole and thianthrene, the overall molecular weight is increased, and the solubility is enhanced, so that the compound is very suitable for wet process preparation. When the organic electroluminescent material is applied to an OLED device, emission from green light to blue light is shown, and excellent electroluminescent performance is shown.

The application discloses an Ln(IV) complex and a synthesis method and application thereof, and belongs to the technical field of chemical synthesis. The synthesis method provided by the application comprises the following steps: electrolytic oxidation of an Ln(III) precursor in a mixed system of an electron transfer medium, a supporting electrolyte and a solvent; the electron transfer medium comprises at least one of thianthrene, tris(4-bromophenyl)amine, phenoxathiin and 10-methylphenothiazine; the supporting electrolyte comprises at least one of tetrabutylammonium tetrafluoroborate and tetrabutylammonium hexafluorophosphate; the solvent comprises acetonitrile; and the Ln(III) precursor comprises at least one of Pr(III) and Tb(III). The synthesis method provided by the application has the advantages of controllable process, low cost, high efficiency, high product yield, high purity, simple purification and the like. The application further provides the Ln(IV) complex synthesized by the synthesis method and application thereof.

The invention belongs to the field of organic synthesis, and discloses a sulfonylated benzoazepine [1, 2-a] indolone compound and a preparation method thereof. According to the preparation method, under the conditions of room temperature and visible light irradiation, 1-(2-(arylethynyl) benzoyl) indole, aryl thianthrene salt and 4-diazabicyclo [2.2. 2] octane-1, 4-dionium-1, 4-disulfinic acid are used as raw materials, tris (4-methoxyphenyl) amine is used as a catalyst, and the preparation of the sulfonylated benzazepine [1, 2-a] indolone compound is realized. The method has the advantages of mild reaction conditions, simplicity and convenience in operation, no photosensitizer, wide substrate application range and the like. The sulfonylated benzazepine [1, 2-a] indolone compound has potential application value in the research fields of organic synthesis and the like, a novel preparation method is provided for synthesis of the sulfonylated benzazepine [1, 2-a] indolone compound, and part of the synthesized compound has certain antitumor activity.

Disclosed herein are a variety of systems, compositions, and methods for reversibly storing electrical energy in a redox flow battery with a unit cell potential equal to or greater than 3.5 volts. The systems may include a positive section, a negative section, and an electroactive bipolar redox molecule comprising an anolyte moiety and a thianthrene-containing catholyte moiety separated by a non-conjugating insulating linker. The thianthrene-containing catholyte moiety may comprise thianthrene or at least one of its derivatives and the non-conjugating insulating linker comprises at least two —CX2 linkers, wherein X comprises at least one atom of hydrogen and / or heteroatoms. The positive section may comprise a first metal electrode in contact with the electroactive bipolar redox molecule and a supporting electrolyte dissolved in a solvent. The negative section may comprise a second metal electrode in contact with the electroactive bipolar redox molecule and additional electrolyte dissolved in additional solvent.

This invention discloses a spiro(thioxanthracene-9,9'-oxoxanthracene)-2'-boronic acid pinacol ester and its synthetic method, belonging to the field of organic chemical synthesis. Its structural formula is as follows: This invention uses 2-bromothonone as a starting material, reacting it with benzenethiol to synthesize 2'-bromospiro(thioxanthracene-9,9'-oxoxanthracene), and then synthesizing the compound spiro(thioxanthracene-9,9'-oxoxanthracene)-2'-boronic acid pinacol ester via a Suzuki-Miyaura reaction. The synthetic method of this invention is simple to operate, has low production costs, and produces a product with a purity greater than 99.9%, meeting the needs of industrial production and application. It is suitable for industrial production and expands the application of spirocyclic compounds as intermediates in the design and synthesis of organic optoelectronic functional materials.

The invention discloses a host material, a double-host organic electroluminescent material and a preparation method and application thereof, and relates to the technical field of organic electroluminescent materials. According to the main body material provided by the invention, after the condensation positions of benzene (naphthalene), thianthrene, phenoxathiane and phenothiazine are changed, the molecular structure is changed, and the energy levels of the highest occupied molecular orbital and the lowest unoccupied molecular orbital of the material are changed. When the material is matched with other main body materials, the potential barrier of charge injection is reduced, so that the driving voltage is reduced. According to the dual-host organic electroluminescent material provided by the invention, the first host material has faster electron mobility, higher quantum efficiency, stable rigid structure and longer service life, triplet excitons can be dispersed on two hosts by using the dual-host material, triplet-triplet annihilation can be reduced, and the quantum efficiency of the dual-host organic electroluminescent material is improved. When the two are used as the main body of the light-emitting layer, the driving voltage can be reduced, and the efficiency and the service life of the device can be improved.

To provide a photosensitive resin composition which is sufficiently cured even at low temperature, is transparent, and has a high refractive index.SOLUTION: A photosensitive resin composition contains (A) a binder resin, (B) a photopolymerizable monomer which contains a thianthrene and is represented by a specific formula, (C) a photopolymerization initiator, and (D) a solvent.SELECTED DRAWING: Figure 1

The invention discloses a synthesis method of an aromatic intermediate, namely 1-bromo-2-methoxy-4-methyl-5-nitrobenzene. The synthesis method comprises the following steps: adding a catalyst into a reaction kettle; the method comprises the following steps: by taking o-toluidine as an initial raw material, acetylating and fluorinating, removing acetyl, reacting with sodium methoxide to obtain 4-methoxy-2-methylaniline, oxidizing amino into nitryl by using 30% hydrogen peroxide, and finally catalyzing by using methanesulfonic acid-thianthrene as a catalyst to obtain the 1-bromo-2-methoxy-4-methyl-5-nitrobenzene. The method for synthesizing the 1-bromo-2-methoxy-4-methyl-5-nitrobenzene, provided by the invention, is novel and has simple steps. The method is simple, mild, low in cost, high in product purity and stable in yield.

The present invention provides a method for efficiently synthesizing a compound containing an SF5 group. The present invention is a method for preparing a compound having the general formula (2) [A] by using an oxidative fluorination reaction of a divalent or higher metal fluoride and an organic salt. 1 is aryl or heteroaryl; G 1 -SH, -SCN, -SF3, -S-S-R 1 、-S-CO-R 2 、-S-R 3 、-SF2-R 4 、-S-Si-(R 5 )3、-S-PO-(R 6 )2、(N-phthalimide)thio group, or thianthrene group (R 1 is an aryl or heteroaryl group, R 2 and R 5 is aryl, heteroaryl, alkyl or alkenyl, R 3 and R 4 is an alkyl or alkenyl group, R 6 The SF5 group-containing compound represented by the general formula (1) is synthesized by using a thioaryl compound represented by an aryloxy group, a heteroaryloxy group, an alkoxy group or an alkenyloxy group. 1 -G 1 (2) A 1 -SF5 (1).

The application discloses a kind of o-carborane-thioxanthene fluorescent compounds, fluorescent sensing film and its preparation method and the application of detecting terpene, belong to fluorescent sensing material technical field.The o-carborane of the present application is connected with thioxanthene by covalent bond, and a class of D-A type fluorescent compounds is constructed, wherein thioxanthene is used as electron donor to provide fluorescent emission capacity, and o-carborane is used as electron acceptor to give molecular three-dimensional cage-like stereostructure, which effectively inhibits the quenching effect caused by aggregation, so that the material keeps high fluorescence quantum yield in solid state.The fluorescent compound is loaded on the surface of matrix to prepare fluorescent sensing film, and the film has fluorescent response to a variety of terpene volatile organic compounds such as alpha-pinene, beta-pinene, limonene, 3-carene and camphene, wherein the response to alpha-pinene is the most sensitive, has the advantages of fast response speed, good reversibility, excellent cycle stability and the like, and is suitable for forest pest warning, ecological environment monitoring and volatile biomarker detection and other fields.

The invention discloses a high-conductivity conjugated polymer modified positive electrode material, a preparation method and a lithium ion battery. The high-conductivity conjugated polymer modified positive electrode material comprises a positive electrode active material and a high-conductivity conjugated polymer for compounding or coating the positive electrode active material, wherein the high-conductivity conjugated polymer is a polymer containing a donor-acceptor conjugated structure, a donor comprises phenazine and / or a phenazine derivative, and an acceptor comprises thianthrene and / or a thianthrene derivative. The high-conductivity conjugated polymer with a donor-acceptor conjugated structure is introduced into an inorganic positive electrode material system of a conventional lithium ion battery, so that the rate capability, the power density and the energy density of the battery are improved, and the output voltage polarization is reduced. In addition, the high-conductivity conjugated polymer can also improve the cycling stability of the material.

The invention relates to the field of organic materials, in particular to an ink composition and a film product and application thereof. The ink composition comprises a thianthrene photocuring monomer and a free radical photoinitiator, the thianthrene light-cured monomer is a compound shown in a formula I in the specification. The ink composition provided by the invention is a pure organic high-refractive-index light-curable ink composition based on a thianthrene light-curable monomer, has the advantages of high refractive index, high light transmittance, high curing rate and the like, and can be prepared into products such as display semiconductors, optical devices and the like through light curing; and the material can be well applied to the fields of OLED display devices and the like.

The present application belongs to the field of chemical synthesis, and relates to a kind of deuterated methyl-containing enamine ketone compound and preparation method thereof. 3-azido high allyl alcohol derivative is mixed with 5-(deuterated methyl) 5H-thianthrene-5-triflate, photocatalyst, base and solvent to obtain a homogeneous solution; the homogeneous solution is placed in a reaction tube provided with a light source to carry out reaction, and a deuterated methyl-containing enamine ketone compound is obtained. In the preparation method provided by the present application, the reagent used has small pollution, high safety and simple experimental operation, which improves the apparent reaction rate and the selectivity of the product, and is beneficial to large-scale continuous production. In the preparation method of the present application, no expensive transition metal catalyst is used, which greatly reduces the reaction cost and solves the environmental pollution problem caused by post-processing. The method provided by the present application can not only realize the deuterated methylation of 3-azido high allyl alcohol derivative, but also can be further derived to the double functionalization of unsaturated bond.