45 results about "Phenyl-naphthylene" patented technology

This invention discloses a cellulose acetate-based 1,8-naphthalenedimide fluorescent probe for detecting hydrazine, its preparation method, and its application. The invention uses 4-bromo-1,8-naphthalenedimide as a raw material, which undergoes a condensation reaction with 4-aminobutyric acid to obtain 4-(4-bromo-1,8-naphthalenedimide)butyric acid (BNA-B); BNA-B undergoes a coupling reaction with 4-formylphenylboronic acid to obtain 4-(4-(4-formylphenyl)-1,8-naphthalenedimide)butyric acid (FNA-B); compound FNA-B then undergoes an esterification reaction with cellulose acetate (CA) to obtain the cellulose acetate-based 1,8-naphthalenedimide fluorescent probe FNA-B-CA. This compound specifically recognizes hydrazine. Under 365 nm ultraviolet light irradiation, the addition of hydrazine to a DMF / H2O solution of FNA-B-CA changes the fluorescence color of the solution from bright blue to colorless, indicating a detection limit of 8.4 × 10⁻⁶ for hydrazine. ‑8 M has promising applications as a fluorescent probe for the detection of hydrazine.

The application provides a preparation method of a dihydroquinazoline compound and belongs to the technical field of organic synthesis. 1 comprises hydrogen, methyl, tert-butyl, methoxy or halogen; R 2 comprises phenyl; R 3 comprises phenyl; R 4 comprises phenyl, p-tolyl, p-methoxyphenyl, o-tolyl, p-fluorophenyl, p-chlorophenyl, naphthyl, pyridyl or thienyl; Ar comprises phenyl, naphthyl or pyridyl; R 5 comprises phenyl, cyclopropyl, cyclohexyl or [1,1'-biphenyl]-4-yl. The preparation method provided by the application has the advantages of short reaction route, no need to add a transition metal catalyst, good functional group compatibility, high yield, high production efficiency and green environmental protection.

The invention relates to the field of lubricating oil, in particular to a compressor oil composition which is prepared from the following components in parts by weight: 0.005 to 0.2 part of an anti-rust agent, 0.05 to 1 part of an extreme pressure anti-wear agent, 0.01 to 0.5 part of a friction reducing agent, 3 to 8 parts of synthetic ester, 0.01 to 1 part of an antioxidant, 0.001 to 0.1 part of an anti-foaming agent and 90 to 97 parts of base oil. The anti-friction agent is a trimethylolpropane-triacid ester derivative, the anti-rust agent is formed by mixing an alkenyl succinic acid half-ester derivative and a carboxyl imidazoline derivative, and the anti-wear reagent at extreme pressure is formed by mixing triphenyl phosphate and an alkyl thiophosphate derivative. The antioxidant is formed by mixing any two of alkyl diphenylamine, alkyl phenyl-alpha-naphthylamine and alkyl hindered phenol. The invention further relates to a preparation method of the compressor oil composition. The compressor oil composition provided by the invention has excellent washing resistance and rust resistance.

A triazine compound, a material for organic electroluminescent elements, an electron transport material for organic electroluminescent elements, and an organic electroluminescent element. The purpose of the present invention is to provide a triazine compound which contributes to the production of an organic electroluminescent element having excellent driving voltage and durability. A triazine compound represented by formula (1). In formula (1), A and B each represents an aryl group having 6-20 carbon atoms. L represents a phenyl group or a naphthyl group. And n is 0 or 1. And C represents any one group selected from the group consisting of X, Y, and Z. And Ar1 and Ar2 each represents an aromatic hydrocarbon group or a pyridyl group.

The invention discloses an ashless antioxidant composition applicable to an ultrahigh-temperature lubricating environment, lubricating oil and application of the ashless antioxidant composition. The ashless antioxidant composition is prepared from the following components in parts by mass: 2.5 to 5 parts of dialkyl diphenylamine, 2.5 to 7.5 parts of N-phenyl-alpha-naphthylamine, 0 to 2.5 parts of phenolic antioxidant and 0 to 2.5 parts of amine antioxidant. The ashless antioxidant composition does not contain metal elements, is an ashless antioxidant system, has a good antioxidant effect, can effectively control the viscosity change and acid value increase of an oil product in an ultrahigh-temperature environment of 220-300 DEG C, has an obvious inhibition effect on the generation of high-temperature sediments, and can meet the requirement of an aero-engine on the antioxidant performance of lubricating oil in the ultrahigh-temperature environment.

This invention discloses a phenylnaphthic acid derivative and its application in phosphorescent information encryption. The preparation method involves using 3,5-bis(ethoxycarbonyl)phenylboronic acid and methyl 6-bromo-2-naphthylcarboxylate as raw materials, and then performing a Suzuki coupling reaction under tetra(triphenylphosphine)palladium(O) catalysis to obtain the intermediate ethyl 2-(3,5-bis(ethoxycarbonyl)phenyl)-6-naphthylcarboxylate. This intermediate is then subjected to alkaline hydrolysis and acidification to obtain the target product, 2-(3,5-dicarboxyphenyl)-6-naphthylcarboxylic acid. This phosphorescent material has a simple preparation method, lower cost compared to noble metal phosphorescence systems, a simple guest synthesis method with high yield, and exhibits significant and stable phosphorescence effects. Furthermore, precise emission color control of high-performance doped thin films is achieved through the triplet-to-singlet Förster fluorescence resonance energy transfer (TS-FRET) mechanism, establishing a multicolor long-lifetime emission system. In addition, the material has multi-color adjustable properties and excellent long afterglow emission performance, showing great application potential in cutting-edge application fields such as multi-dimensional information encryption and high-end anti-counterfeiting.

The purpose is to provide a curable resin composition capable of obtaining a cured product having excellent productivity (UV curability) in addition to low absorption (low optical absorption loss) in the near infrared region used in optical communications and excellent heat resistance. A curable resin composition according to the present invention is characterized by having as essential components (A) a polysiloxane resin having one or more reactive groups selected from the group consisting of (meth)acryloyl groups and styryl groups, (B) one or more (meth)acrylic acid derivatives selected from the group consisting of compounds containing a structure represented by general formula (1), and (C) a radical polymerization initiator. (In general formula (1), R1 and R2 each independently represents a hydrogen atom, a methyl group, a phenyl group, a naphthyl group, or a trifluoromethyl group, or represents a cyclohexyl group or a fluorenyl group to which R1 and R2 are bonded.)

The invention belongs to the technical field of biological medicines, and relates to phenyl naphthalene derivatives and application thereof in preparation of medicines for preventing and treating tumors or medicines for neuroprotection. The compound is a compound shown in a formula I or a formula II or a pharmaceutically acceptable salt thereof. In the formula I, A is not present or is carbonyl, A'is carbonyl, sulfuryl, oximido and imino, R1 is amino, nitryl, acylamino, sulfonamide, aryl methoxy, aryl ethyoxyl, fluorine atom, trifluoromethyl, ureido, amidoxime, amidino and N-methyl sulfonamide, and R2 is hydrogen atom, methoxy, amino, nitryl, acylamino, amidoxime, amidino or fluorine atom; r2 and H2N-A'are located at the adjacent position of a benzene ring, R2 or H2N-A 'is located at the para-position of phenyl, and X1 and X2 are independently selected from CH or N. The phenyl naphthalene derivative provided by the invention has relatively high NQO2 inhibitory activity, and can be used as a chemical drug for tumor treatment and a neuroprotective agent for neurological diseases.

The invention relates to the technical field of chemical component detection, and particularly discloses fluorescent test paper, a fluorescence analysis method and a fluorescence analysis device for visual online detection of soil nitrate nitrogen. According to the test paper, nitrate nitrogen is reduced into nitrite nitrogen by adopting zinc powder and a cadmium chloride solution, and then the nitrite nitrogen is dropwise added to fluorescent test paper prepared by soaking a mixed solution of para aminobenzoic acid, N-phenyl-1-naphthylamine and hydrochloric acid; under an acidic condition, nitrite nitrogen and para aminobenzoic acid generate diazonium salt, and then the diazonium salt reacts with N-phenyl-1-naphthylamine to form an azo compound, so that the original blue fluorescence on the test paper is gradually weakened along with the increase of the concentration of the nitrate nitrogen. According to the method, high-sensitivity and specific recognition of nitrate nitrogen is realized. And in combination with color identification and data analysis software of a smart phone, a portable and low-cost field detection system is constructed, and an efficient and practical new technical means is provided for visual quantitative detection of soil nitrate nitrogen.

This invention relates to the field of medicinal chemistry, specifically disclosing a triazole-fused piperidinone derivative, its preparation method, and its application. The triazole-fused piperidinone derivative has the structure shown in Formula I; wherein, R... 1 Selected from alkyl, phenyl, substituted phenyl, naphthyl ring, furan ring, thiophene ring, or pyridine ring; R 2 Selected from alkyl, allyl, or benzyl; R 3 The derivatives are selected from alkyl, phenyl, substituted phenyl, acyl, or sulfonyl groups. Studies have shown that the triazole-fused piperidinone derivatives described herein possess certain antiviral activity. Furthermore, the preparation method described in this invention can be carried out under mild conditions, is simple to operate, involves few steps, has good functional group compatibility, and yields high results. Therefore, this method has promising application prospects in pharmaceutical industrial production.

The present invention relates to a heat-sensitive recording material comprising: a support substrate having a first side and a second side facing away from the first side; and a heat-sensitive color-forming layer arranged on the first side of the support substrate, wherein the heat-sensitive color-forming layer comprises at least one color former, at least one color developer, and at least one stabilizer; wherein the at least one stabilizer is selected as a compound of formula (1), Ar 1 -SO2-NH-C6H4-SO2-C6H4-NH-CO-NH-Ar 2 , where Ar 1 and Ar 2 independently of each other are an unsubstituted or substituted phenyl residue, and / or wherein at least one stabilizer is selected as a compound of formula (2), Ar 1 -NH-CO-NH-C6H4-SO2-O-C6H4-NH-CO-NH-Ar 2 , where Ar 1 and Ar 2independently of one another are an unsubstituted or substituted phenyl, naphthyl and / or heteroaryl residue; wherein the weight ratio of stabilizer to color developer in the heat-sensitive color-forming layer is selected such that, according to stability test 1 defined in the description, after a storage period of 7 days under dry storage conditions, the remaining optical density of the heat-sensitive color-forming layer is at least 85% of the original optical density of the heat-sensitive color-forming layer before storage, and / or that, according to stability test 2 defined in the description, after a storage period of 7 days under humid storage conditions, the remaining optical density of the heat-sensitive color-forming layer is at least 80% of the original optical density of the heat-sensitive color-forming layer before storage;and / or that, according to the stability test 3 defined in the description, after a storage period of 7 days, the remaining optical density of the heat-sensitive color-forming layer is at least 70% of the original optical density of the heat-sensitive color-forming layer before storage.

The present application aims to provide a triazine compound which is useful in producing an organic electroluminescent element having excellent driving voltage and durability. A triazine compound represented by formula (1). In formula (1), A, B represent an aryl group having 6 to 20 carbon atoms. L represents a phenyl group, a naphthyl group. n is 0 or 1. C represents any one of the following X, Y, Z. Ar 1 , Ar 2 represents an aromatic hydrocarbon group or a pyridyl group.

The invention discloses a preparation method of an N-hydroxyformamidine compound, which comprises the following steps: under the protection of inert gas, mixing compounds as shown in a formula (I) and a formula (II) with hexamethyldisilylamino alkali according to a molar ratio of 1: 1: 3 in an aprotic solvent for reaction, then adding water for quenching, filtering, washing, drying by distillation under reduced pressure, and carrying out column chromatography separation to obtain a product (III); wherein Ar1 is selected from phenyl or substituted phenyl, and Ar2 is selected from any one of phenyl, substituted phenyl and naphthyl. The method is free of metal catalysis, mild in reaction condition, efficient, simple and convenient to operate and good in substrate universality.

The present invention relates to a process for the manufacture of a liquid additive comprising an amine of formula (1), wherein the process comprises the steps of: alkylating a phenyl-alpha-naphthylamine with an olefin selected from linear or branched C8-C12 olefins to obtain a first crude product comprising the amine of formula (1); distilling off unreacted olefins from the first crude product to obtain a second crude product; and distilling off unreacted phenyl-alpha-naphthylamine from the second crude product to obtain the liquid additive. The invention also relates to a liquid additive comprising an amine of formula (1) and a phenyl-alpha-naphthylamine wherein the liquid additive comprises at least 95 wt% of the amine of formula (1) and wherein the concentration of the phenyl-alpha-naphthylamine in the liquid additive is less than 0.2 wt%, preferably less than 0.1 wt%. The invention further relates to the use of the liquid additive, such as in lubricants.

The invention relates to the technical field of heat treatment quenching media, in particular to quenching oil special for 05Cr15Ni5Cu4Nb precipitation hardening stainless steel and a preparation method and application of the quenching oil. The special quenching oil for the 05Cr15Ni5Cu4Nb precipitation hardening stainless steel is prepared from the following components in percentage by mass: 88 to 95 percent of base oil combination, 1.5 to 5.0 percent of quick cooling agent, 2.0 to 3.5 percent of antioxidant and 1.0 to 4.0 percent of dispersing agent, the base oil composition is a mixture composed of refined hydrogenated mineral oil 150N and refined hydrogenated mineral oil 500N; the quick cooling agent is polyisobutene; the antioxidant is a combination of phenyl-alpha-naphthylamine and dialkyl dithiophosphate carbamate, or a combination of phenyl-alpha-naphthylamine and dilauryl thiodipropionate, and the antioxidant is a combination of phenyl-alpha-naphthylamine and dilauryl thiodipropionate. Through base oil compounding and rapid cooling agent dosage optimization, the step quenching effect of high-temperature rapid cooling and low-temperature slow cooling is achieved, martensite transformation of a 05Cr15Ni5Cu4Nb precipitation hardening stainless steel workpiece is stably completed near the Ms point, and a uniform and fine lath martensite structure is provided for subsequent aging strengthening.

A triazine compound, a material for organic electroluminescent elements, an electron transport material for organic electroluminescent elements, and an organic electroluminescent element. The purpose of the present invention is to provide a triazine compound which contributes to the production of an organic electroluminescent element having excellent driving voltage and durability. A triazine compound represented by formula (1). In formula (1), A and B each represents an aryl group having 6-20 carbon atoms. L represents a phenyl group or a naphthyl group. And n is 0 or 1. And C represents any one group selected from the group consisting of X, Y, and Z. And Ar1 and Ar2 each represents an aromatic hydrocarbon group or a pyridyl group.

The invention discloses a preparation method of an NDI-NiFe-MOF nano array material, which comprises the following steps: adding ethanol, water and N, N-dimethyl diamide into nickel nitrate, ferric chloride and N, N-bis (3-carboxyl-4-hydroxyphenyl)-1, 4, 5, 8-naphthalene tetradicarboximide; performing ultrasonic oscillation, and adding foamed nickel for reaction; and filtering, washing and drying. A unique nanoflower structure is formed by the material, so that the contact area with an electrolyte is increased, an ultra-large aperture, more metal active sites and a high specific surface area are provided, and the capacity of the electrode material can be enhanced; and in a long-cycle test, excellent stability is still kept, which is benefited from the unique rigid macrocyclic core structure of H4NDISA. The NDI unit has excellent electron affinity and oxidation-reduction performance, stable free radicals are generated in the reversible oxidation-reduction process, electron delocalization and efficient transmission are achieved through pi-pi accumulation, and high electrochemical performance is achieved.

The invention discloses a glass lubricant for Zr-2. 5Nb-0.5 Cu alloy and a preparation method of the glass lubricant, and belongs to the technical field of metal plastic processing lubricants. The glass lubricant is prepared from fluorine-containing and zirconium-containing modified aluminoborosilicate glass, an adhesive, a dispersing agent, a polymerization inhibitor and deionized water, and the fluorine-containing and zirconium-containing modified aluminoborosilicate glass is prepared from calcium oxide, boric acid, aluminum oxide, silicon dioxide, aluminum fluoride and zirconium dioxide as raw materials. The adhesive is prepared from acetone, a formyl dimethylamine aqueous solution and sodium carcosate; the dispersing agent is Arabic gum, and the polymerization inhibitor is N-phenyl-2-naphthylamine; the glass lubricant disclosed by the invention is sprayed on the surface of Zr-2. 5Nb-0.5 Cu alloy, and after sintering at 800 DEG C for 1 hour, the completeness of a formed film can be kept, elements (such as Cu) are prevented from being separated out, and surface defects after forging and pressing are effectively reduced.

The application discloses a kind of blue light organic semiconductor materials of aromatic and sila polybasic ring and preparation method and application thereof.The structural formula of the blue light organic semiconductor material is as follows: wherein, Ar1, Ar2 are function control group, and Ar3 is H or function control group.The present application connects different modification groups on the 4th position of naphthalene ring and the 2,3 position of diphenylnaphthosila six-membered ring to control the luminescence physical property and energy level characteristic of derivative thereof.The prepared luminescent material has high-efficiency blue or deep blue emission under solid state, and has significant aggregation-induced emission performance;The energy level structure of the material has good regulation characteristics, so as to adjust the electron / hole injection performance of the material, which is beneficial to the simplification of device structure;All materials have good stability and film-forming property, can be dissolved in organic solvent to form film by spin coating or vacuum evaporation, and device preparation process is flexible.

The invention relates to a 1H-pyrazol-[3, 4-d] pyrimidine derivative and a preparation method and application thereof, the structural formula of the 1H-pyrazol-[3, 4-d] pyrimidine derivative is as follows: R1 is selected from I, II, III or IV; r2 is selected from I or III or IV or V; r3 is selected from I or III or IV or V; r4 is selected from I; wherein I is hydrogen, straight-chain alkyl containing 1-3 carbon atoms, and isopropyl; iI is phenyl, naphthyl or substituted phenyl; iII is an unsaturated five-membered or six-membered heterocyclic group containing mono-nitrogen or multi-nitrogen; iV is an unsaturated five-membered or six-membered heterocyclic group containing single oxygen, single sulfur, nitrogen oxygen and nitrogen sulfur; and V is phenyl, naphthyl or substituted phenyl. The 1H-pyrazol-[3, 4-d] pyrimidine derivative prepared by the invention shows specific anti-proliferative activity to esophageal cancer cells, shows better in-vivo and in-vitro safety and weak cardiotoxicity, is simple in synthesis method and high in yield, and opens up a new way for researching new anti-esophageal cancer drugs.

The invention discloses a vertical-structure polarization sensitive diode device based on a styryl organic single crystal, and a preparation method and application of the vertical-structure polarization sensitive diode device. The vertical structure polarization sensitive diode device based on the styryl organic single crystal comprises a top electrode, a hole injection layer, a hole transport layer, the styryl organic single crystal, an electron transport layer, an electron injection layer, a bottom electrode and a glass substrate which are sequentially arranged from top to bottom, the top electrode is a silver electrode; the hole injection layer comprises molybdenum trioxide; the hole transport layer comprises N, N '-diphenyl-N, N'-(1-naphthyl)-1, 1 '-biphenyl-4, 4'-diamine; the styryl organic single crystal is a 1, 4-bis-(2-methyl-styryl) benzene single crystal; the electron transport layer comprises 3, 3 '-[5'-[3-(3-pyridyl) phenyl] [1, 1 ': 3', 1 ''-terphenyl]-3, 3''-diyl] bipyridine; the electron injection layer comprises lithium fluoride; the bottom electrode is an aluminum electrode. According to the invention, the vertical-structure polarization sensitive diode device based on the styryl organic single crystal, which simultaneously has light response and luminescence properties, is obtained through simple regulation and control.

The invention relates to the field of organic synthesis, and relates to a preparation method of a novel N-polyfluoroalkylamine compound, the compound is represented by a formula I. A is selected from P or S, R1 is selected from any one of F, Cl, N, alkyl, phenyl, alkoxy, alkylthio, phenoxyl, thiophenyl or amido, R2 is selected from any one of F, Cl, N, alkyl, phenyl, alkoxy, alkylthio, phenoxyl, thiophenyl and amido, and R3 is selected from any one of F, Cl, N, alkyl, phenyl, alkyl, alkyl, alkyl, phenyl, alkoxy, alkylthio, phenoxyl, thiophenyl and amido. R < 2 > is selected from any one of O, N, alkyl, phenyl, alkoxy, alkylthio, phenoxyl, thiophenyl or amido, R < 3 > is selected from any one of alkyl, alkenyl, phenyl, naphthyl, ester group, pyridyl, thienyl, indolyl, furyl or pyrrolyl, R < 4 > is CFxH (3-x) or CF2R < 5 >, R < 5 > is selected from one of CF3 or phenoxyl, and x is 2 or 3; according to the invention, a compound containing active fluorine is introduced to a nitrogen atom, so that the metabolic stability and the radioactive labeling capability are improved, and a brand new way is opened up for designing more intelligent drugs and probes.

The application relates to the technical field of chemical synthesis, and particularly discloses an indole pyrazole C-N axis chiral compound and a synthesis method thereof. The structural formula of the indole pyrazole C-N axis chiral compound is shown in formula (I), the compound is a kind of axis chiral compound with high resistance to selection, R1 is a substituted or unsubstituted phenyl, naphthyl or alkyl, R2 is a phenyl, R3 is a substituted or unsubstituted phenyl, and R4 is an ethyl. The compound shown in formula (I) can inhibit the growth of cancer cells, thereby interfering with the malignant behavior of the cancer cells.

The application discloses an ultraviolet color light conversion agent and a preparation method thereof, a color light conversion adhesive film and a photovoltaic module. The ultraviolet color light conversion agent comprises a compound with the following structure: wherein R1 and R2 are each independently selected from H, a substituted or unsubstituted alkyl, a substituted or unsubstituted alkenyl, a substituted or unsubstituted heteroalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted heteroaryl and the like, X1, X2, Y1 and Y2 are each independently selected from H, a substituted or unsubstituted phenyl, a biphenyl, a naphthyl, a carbazolyl or a heterocyclic aryl. The application covalently combines fluorene and benzotriazole two independent chromophores with a flexible chain as a bridge, the absorption range is significantly widened, the distance between the chromophores is effectively limited by the flexible chain interval, the energy transfer between the chromophores is improved, the color light is beneficial to moving in the long wave direction, the binary structure also has better anti-migration performance, the structure is adjustable, the synthesis is simple and the application prospect is good in the color light conversion field.

The invention discloses a cellulose acetate based 1, 8-naphthalimide fluorescent probe for detecting hydrogen sulfite (HSO3 <->) as well as a preparation method and application of the cellulose acetate based 1, 8-naphthalimide fluorescent probe. The preparation method comprises the following steps: by taking 4-bromo-1, 8-naphthalic anhydride as a raw material, carrying out condensation reaction on the 4-bromo-1, 8-naphthalic anhydride and 4-aminobutyric acid to prepare 4-(4-bromo-1, 8-naphthalic diimide) butyric acid, namely BNA-B; the preparation method comprises the following steps: carrying out coupling reaction on BNA-B and 4-formyl phenylboronic acid to prepare 4-(4-(4-formyl phenyl)-1, 8-naphthalimidoyl) butyric acid, namely FNA-B; the preparation method comprises the following steps: carrying out aldol condensation reaction on FNA-B and 1, 2, 3, 3-tetramethyl-3H-indole iodide to prepare a compound INA-B; and the compound INA-B and cellulose acetate (CA) are subjected to an esterification reaction, such that the cellulose acetate-based 1, 8-naphthalimide fluorescent probe INA-B-CA is prepared. The compound INA-B-CA can specifically recognize HSO3 <->, under the irradiation of 365nm ultraviolet light, after HSO3 <-> is added into a DMSO / PBS solution of INA-B-CA, the fluorescence color of the solution is changed from yellow to blue, and the probe has a good application prospect.

The application discloses a five-membered double-spiro indoline derivative and a preparation method and application thereof, and a structure formula of the five-membered double-spiro indoline derivative is shown as formula (III); wherein, R 1 is selected from hydrogen, an alkyl group or halogen; R 2 is selected from hydrogen, an alkyl group, an allyl group, a benzyl group or a benzoyl group; R 3 is selected from a phenyl group, a naphthyl group, a biphenyl group, a thienyl group, a furanyl group, an alkylphenyl group, a halogenphenyl group, an alkoxyphenyl group, a nitrophenyl group or a trifluoromethylphenyl group; R 4 is selected from an alkylphenyl group, a halogenphenyl group or a nitrophenyl group. The five-membered double-spiro indoline derivative of the application is synthesized by a one-step method, high atom economy and high yield, not only simplifying a synthesis route, but also reducing production cost, and because of the green chemical characteristics, reducing the influence on the environment. The five-membered double-spiro indoline derivative is found to have an antifungal and antibacterial effect.

The application discloses a novel copper cluster compound, a synthesis method of the copper cluster compound and application of the copper cluster compound in a Sonogashira reaction. The copper cluster is generated from R2PCF2H (R=phenyl, 4-methylphenyl, naphthyl, 3,5-dimethylphenyl) and CuI under the condition that a solvent is THF and a temperature is 100 DEG C. The copper cluster has three four-nuclear copper clusters in a cubic shape, copper atoms and iodine atoms alternately occupy fixed points of the cubic, one copper atom is connected with one phosphorus atom; one is a two-nuclear copper cluster in a rhombus shape, one copper atom is connected with two phosphorus atoms. The copper cluster is applied to the classical person name reaction Sonogashira reaction, the reaction can be carried out at room temperature in a short time (1-20 minutes), has good functional group tolerance, and has a high yield. Considering that the reaction can be carried out at room temperature and fast, the copper cluster can be widely applied to synthesis of drugs and natural products.

The application relates to the technical field of data center equipment cooling, and discloses an environmentally-friendly immersed liquid cooling system conducting medium and a preparation method thereof, the conducting medium is composed of a base oil composition, 0.3%-0.6% of polyisobutylene succinimide, 0.02%-0.05% of tetrahydrobenzene propyl triazole, 0.2%-0.5% of epoxy propane butyl ether, 0.1%-0.3% of epoxy soybean oil, 0.1%-0.3% of alkylated phenyl alpha naphthylamine and 3.0%-5.0% of toluene diphenyl phosphate, and the base oil composition is composed of 70.0%-85.0% of poly-alpha-olefin, 5.0%-10.0% of dioctyl sebacate and 15.0%-25.0% of coal CTL base oil treated by molecular distillation. The conducting medium has the advantages of low viscosity, high flash point, high breakdown voltage, low dielectric loss, good thermal oxidation stability, flame retardancy and environmental protection, and is suitable for high heat flux density electronic devices, data centers, AI computing power centers and other immersed liquid cooling scenes.

Provided are a novel capping layer material for an organic thin film element; a novel organic electroluminescent element; and a novel amine compound.　The amine compound is represented by formula (2).　In formula (2), A moieties are each independently: a trivalent to tetravalent monocyclic, linked ring or condensed ring aromatic hydrocarbon group having 6-13 carbon atoms, which may be substituted with a fluorine atom; a trivalent to tetravalent monocyclic, linked ring or condensed ring heteroaromatic group having 3-11 carbon atoms, which may be substituted with a phenyl group, a pentafluorophenyl group, a pyridyl group, a tetrafluoropyridyl group, a methyl group, an adamantyl group or a fluorine atom; or a trivalent to tetravalent cyclic aliphatic hydrocarbon group having 3-18 carbon atoms, which may be substituted with a phenyl group, a pentafluorophenyl group, a pyridyl group, a tetrafluoropyridyl group, a methyl group, an adamantyl group or a fluorine atom.　In formula (2), B moieties are each independently: a divalent to trivalent monocyclic, linked ring or condensed ring aromatic hydrocarbon group having 6-13 carbon atoms; a divalent to trivalent monocyclic, linked ring or condensed ring heteroaromatic group having 3-11 carbon atoms; or a divalent to trivalent cyclic aliphatic hydrocarbon group having 3-18 carbon atoms.　In formula (2), E moieties are each independently: a monovalent monocyclic, linked ring or condensed ring aromatic hydrocarbon group having 6-26 carbon atoms; a monovalent monocyclic, linked ring or condensed ring heteroaromatic group having 3-26 carbon atoms; or a monovalent cyclic aliphatic hydrocarbon group having 3-18 carbon atoms.　In formula (2), l is an integer between 1 and 4.　In formula (2), m is an integer between 0 and 2.　In formula (2), n is 1 or 2.　In formula (2), at least one E moiety is a moiety in which an aromatic hydrocarbon group, heteroaromatic group or aliphatic hydrocarbon group that constitutes E is substituted with one or more fluorine atoms.　In formula (2), B and E moieties may each independently be substituted with a phenyl group, a naphthyl group, a pyridyl group, a triazyl group, a methyl group, a methoxy group, an adamantyl group or a fluorine atom, and substituent groups on B and E moieties may be further substituted with one or more groups selected from the group consisting of these groups.

The application provides polybutene-1 and a preparation method thereof, a non-metallocene catalyst used in the preparation method and a preparation method of the non-metallocene catalyst, and the non-metallocene catalyst comprises the following formula I structure: wherein R1 and R2 are selected from hydrogen and a hydrocarbon group with 1-10 carbon atoms, R1 and R2 are the same or different, R3 is selected from hydrogen and a hydrocarbon group with 1-10 carbon atoms, R4 is selected from a methyl group, an ethyl group and a n-propyl group, and Ar is a phenyl group, a naphthyl group, a phenyl group substituted with an aliphatic hydrocarbon group or a naphthyl group substituted with an aliphatic hydrocarbon group. The non-metallocene catalyst of the application has a bridged pyridyl amine hafnium structure, is used for catalyzing synthesis of polybutene-1, has high catalytic activity, high monomer conversion rate, and the prepared polybutene-1 has high stereoregularity and narrow distribution.