19 results about "Phenyl-naphthylene" patented technology

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 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 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.

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 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 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.

The present invention relates to a method for producing a liquid additive containing an amine of formula (1), comprising the steps of: alkylating phenyl-alpha-naphthylamine with an olefin selected from linear or branched C8-C12 alkenes to obtain a first raw material product containing the amine of formula (1); removing unreacted olefin from the first raw material product by distillation to obtain a second raw material product; and removing unreacted phenyl-alpha-naphthylamine from the second raw material product by distillation to obtain a liquid additive. The present invention also relates to a liquid additive containing the amine of formula (1) and phenyl-alpha-naphthylamine, wherein the liquid additive contains at least 95% by weight of the amine of formula (1), and the concentration of phenyl-alpha-naphthylamine in the liquid additive is less than 0.2% by weight, preferably less than 0.1% by weight. The present invention further relates to the use of liquid additives in lubricants and the like.

The invention provides a polycyclic compound, and the structure of the polycyclic compound is shown in the following formula 1: wherein Ar1 is selected from substituted or unsubstituted naphthyl; ar2 is selected from substituted or unsubstituted phenyl, naphthyl, fluorenyl and dibenzofuryl; ar3 is selected from substituted or unsubstituted helical fluorene; l1 and L2 are selected from substituted or unsubstituted naphthyl or phenylene; l3 and L4 are selected from single bonds and substituted or unsubstituted phenylene, and L3 and L4 cannot be single bonds at the same time; r1 and R2 are selected from hydrogen, substituted or unsubstituted C1-C10 alkyl and substituted or unsubstituted phenyl, and R1 and R2 are connected with each other to form a ring structure or are not connected with each other; substituent groups in the'substitution or non-substitution 'are independently selected from one or a combination of deuterium, halogen, cyano groups, C1-C10 alkyl groups, C3-C10 cycloalkyl groups, C6-C30 aryl groups and C3-C30 heteroaryl groups, and heteroatoms in the heteroaryl groups are selected from one or more of N, O, S, Si and P. By adopting the polycyclic compound provided by the invention, the effects that the driving voltage of the prepared organic electroluminescent element is reduced, the efficiency is further improved, and the service life is further prolonged can be achieved.

The present invention relates to a heat-sensitive recording material, comprising: a carrier substrate, which has a first side and a second side facing away from the first side; and a heat-sensitive colour-forming layer, which is arranged on the first side of the carrier substrate, wherein the heat-sensitive colour-forming layer comprises at least one colour former, at least one colour developer, and at least one stabiliser; wherein the at least one stabiliser is selected as a compound of formula (1), Ar1-SO2-NH-C6H4-SO2-C6H4-NH-CO-NH-Ar2, wherein Ar1 and Ar2 are, independently of one another, an unsubstituted or substituted phenyl group, and / or wherein the at least one stabiliser is selected as a compound of formula (2), Ar1-NH-CO-NH-C6H4-SO2-O-C6H4-NH-CO-NH- Ar2, wherein Ar1 and Ar2 are, independently of one another, an unsubstituted or substituted phenyl, naphthyl and / or heteroaryl group; wherein the weight ratio of stabiliser to colour developer in the heat-sensitive colour-forming layer is selected such that, according to the stability test 1 defined in the description, a remaining optical density of the heat-sensitive colour-forming layer of at least 85% of the original optical density of the heat-sensitive colour-forming layer is present before storage under dry storage conditions after a storage period of 7 days, and / or that, according to the stability test 2 defined in the description, a remaining optical density of the heat-sensitive colour-forming layer of at least 80% of the original optical density of the heat-sensitive colour-forming layer is present before storage under moist storage conditions after a storage period of 7 days; and / or that, according to the stability test 3 defined in the description, a remaining optical density of the heat-sensitive colour-forming layer of at least 70% of the original optical density of the heat-sensitive colour-forming layer before storage is present under storage conditions under light after a storage period of 7 days.

The invention provides an aza fused ring derivative containing acridone and an electroluminescent device of the aza fused ring derivative. Relates to the technical field of organic photoelectric materials and semiconductor devices. According to the derivative, acridone is used as a mother nucleus, a multiple resonance framework is constructed through an aza fused ring, rigidity is enhanced through a spirofluorene structure, HOMO / LUMO spatial separation and delta EST minimization are achieved through a large-steric-hindrance phenyl, naphthyl, aryl or heteroaryl substituent, and therefore narrow-spectrum TADF emission is obtained. When the material is applied to an OLED light-emitting layer, under the same device structure, compared with a contrast material, the half-peak width is reduced, the external quantum efficiency is improved, the service life of the device is prolonged, and the advantages of high color purity, high efficiency and long service life are achieved.

The invention relates to the field of organic functional semiconductor materials, in particular to a preparation method and application of a solution-processable hole transport material. The hole transport material takes a conjugated polymer with a triphenylamine, fluorene and carbazole structure as a parent nucleus, and carbon chains and groups with different lengths are in soluble expansion; compared with a traditional organic hole transport layer poly N, N '-diphenyl-N, N'-(1-naphthyl)-1, 1 'biphenyl-4, 4'-diamine (NPB), the novel hole transport material capable of being processed in the solution has good stability, hole transport performance, dissolvability and film-forming property, and is beneficial to large-area device preparation and cost reduction; the hole transport material has the advantages of being good in stability, easy to process, low in cost and the like, and the organic light-emitting diode with the structure made of the hole transport material with the structure shows the performance far better than that of the organic light-emitting diode in the market.