60 results about "Benzoanthracene" patented technology

A benzanthracene derivative having hydrogen atom at the 12-position, and an organic electroluminescence device having an organic thin film layer, which has one layer or a plurality of layers including at least a light emitting layer, is disposed between a cathode and an anode and contains the benzanthracene derivative in at least one layer in the organic thin film layer singly or as a component of a mixture. The electroluminescence device provides a great efficiency of light emission, has a long life and exhibits an excellent chromaticity.

A naphthalene derivative represented by the following formula (1) is provided. In the formula (1), Ar1 and Ar2 each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. Ar3 represents a benzene skeleton or a naphthalene skeleton. R1 and R2 each represent an alkyl group, a cycloalkyl group, an alkoxy group, a cyano group, a silyl group or a halogen atom. a and b each represent an integer in a range of 0 to 4. m and n each represent an integer in a range of 1 to 4.

The invention relates to an organic blue luminescent material, and a preparation method and application thereof. The invention solves the problem that the existing blue light material can not satisfy the industrial production. The material is a compound prepared by carrying out Suzuki coupling reaction on 3-bromo-9-(4-bromonaphthyl)-7,7-dimethyl-7H-benzanthracene and boric acid containing A substituent group. The material has the advantages of favorable film-forming properties and higher luminescence efficiency, and can emit light blue light; and therefore, the organic blue luminescent material has much higher properties than simple benzanthracene, and the prepared blue light device can satisfy the demands for industrial production. The preparation method greatly enhances the yield, is convenient for operation and easy for purification, and lowers the cost, so that the material has more possibility for further development and application. The material can be used as an organic luminescent material, luminescent main body material or transmission material in an electroluminescent device.

The invention relates to novel benzanthracene cyclic compounds and a preparation method and use thereof. The benzanthracene cyclic compounds have the structure shown in a general formula I or II. The compounds can be used as topoisomerase inhibitors for preparing anti-tumor, cell growth-resistant, antibacterial and antimalarial medicaments. The invention also relates to a method for preparing the compounds. In the formula I, C1' and C3' have an S structure simultaneously, and in the formula II, C1' and C3' have an R structure simultaneously.

The invention provides a compound, a display panel and a display device. The compound has the structure shown in formula (I), L represents substituted or unsubstituted phenyl, naphthyl, pyridyl, pyrimidinyl and pyrazinyl; D is an electron-donating group and independently selected from any one of substituted or unsubstituted phenyl, biphenyl, naphthyl, anthryl, phenanthryl, acenaphthylene, pyrenyl,peryl, flurenyl, spiro bifluorenyl, benzophenanthryl, benzanthracene, fluoranthryl, picene, furyl, benzofuryl, dibenzofuryl, thienyl, benzothienyl, dibenzothienyl, phenoxazine, thianthryl, carbazolyl, acridinyl and diarylamino. The designed compound has a TADF characteristic and can emit light by triplet exciton of traditional fluorescence molecular transition inhibition so as to improve the device efficiency.

The invention aims to improve the luminous efficiency, the stability and the service life of a display device, further provides a benzoanthracene compound with a novel structure, a preparation methodof the benzoanthracene compound, and an organic electroluminescent device, and belongs to the technical field of luminescent materials. The organic electroluminescent device provided by the inventionand prepared by using the benzoanthracene compound as a hole transport layer shows high efficiency and a long service life. According to the preparation method of the benzoanthracene compound providedby the invention, raw materials are easily available, the preparation method is simple, the yield is high, and the method is suitable for industrial production.

A functionalized asphaltene. The functionalized asphaltene being a nitrated or an amine-reacted asphaltene. The nitrated asphaltene, containing a fused polycyclic core, prepared by reacting an asphaltene with nitric acid, wherein a first nitrate is attached to an aromatic ring of a dibenzothiophene group, and a second nitrate is attached to an aromatic ring of a benzoanthracene group of the asphaltene to obtain a nitrated asphaltene. The amine-reacted asphaltene prepared by reacting an asphaltene, containing a fused polycyclic core, with amines; wherein a first alkyl or aryl group is attached to an aromatic ring of a dibenzothiophene group of the asphaltene, and a second alkyl or aryl group is attached to an aromatic ring of a benzoanthracene group of the asphaltene.

The invention relates to a silicious benzanthracene organic electroluminescent material, and a preparation method and application thereof. The invention solves the technical problems that the anthracene luminescent material in the prior art can not satisfy the operating requirement for OLEDs (organic light-emitting diodes). The benzanthracene organic electroluminescent material provided by the invention is an R1 / R2-substituted silicious benzanthracene compound prepared by reacting R1 / R2-substituted amine compound and silicious benzanthracene bromine substitute. Due to the introduction of different substituted groups, the material has the advantages of higher solubility and favorable film-forming properties. The preparation method provided by the invention has the advantages of simple synthesis and purification processes and low cost, and can satisfy the demands of industrialization. Compared with the device prepared by using 9,10-di(2-naphthyl)anthracene as the luminescent layer, the device prepared from the material provided by the invention has obviously higher luminescence efficiency and longer half-time service life; the luminescence efficiency is 25 Lm / w, and the half-time service life is 20000 hours; and thus, the material can satisfy the operating requirements for OLEDs.

The invention discloses a monatomic catalyst for thermal desorption of soil polluted by organic matter and a preparation method of the monatomic catalyst. An alumina ball is used as a carrier, a cerium-manganese-iron composite oxide is used as a catalytic active component, and triethanolamine is used as an anchoring agent. The carrier mass is taken as a reference. The preparation method comprises the following steps: impregnating alumina balls in an anchoring agent, conducting drying after a water bath reaction, impregnating the alumina balls in an active component precursor composite solution, and conducting reacting, aging, drying and roasting. The catalyst is environment-friendly and high in mechanical strength, 100% desorption of benzo[A]anthracene can be achieved at the temperature of 200 DEG C, and thermal desorption energy consumption of benzo[A]anthracene is greatly reduced. The product can be widely applied to the field of thermal desorption of soil organic pollutants.

A naphthalene derivative represented by the following formula (1) is provided. In the formula, Ar1 to Ar4 each represent an aromatic hydrocarbon cyclic group having 6 to 18 carbon atoms forming a ring. The aromatic hydrocarbon cyclic group has none of anthracene skeleton, pyrene skeleton, aceanthrylene skeleton and naphthacene skeleton. n, m and l each represent an integer in a range of 1 to 5. p represents an integer in a range of 0 to 5. When n, m, l and p each are 2 or more, a plurality of Ar1 to Ar4 may be mutually the same or different.

The present invention relates to an organic electronic device comprising, between an anode and a cathode, at least one layer selected from an electron injection layer, an electron transport layer or an electron generation layer, the layer comprising at least one compound of the following Formula (I), wherein the compound of Formula (I) comprises one or more moieties -(A)a-L and the remaining positions marked with * are hydrogen or substituents independently selected from the group consisting of deuterium, fluorine, RF, C1-C20 linear alkyl, C3-C20 branched alkyl, C1-C12 linear fluorinated alkyl, CN, RCN, C6-C20 aryl, C2-C20 heteroaryl, (P=O)R2; each R is independently selected from C1-C20 linear alkyl, C1-C20 alkoxy, C1-C20 thioalkyl, C3-C20 branched alkyl, C3-C20 cyclic alkyl, C3-C20 branched alkoxy, C3-C20 cyclic alkoxy, C3-C20 branched thioalkyl, C3-C20 cyclic thioalkyl, C6-C20 aryl and C2-C20 heteroaryl; A is selected from substituted or unsubstituted C6-C24 aryl or C2-C20 heteroaryl; in case that A is substituted, the respective substituents are independently selected from the group consisting of deuterium, fluorine, C1-C20 linear alkyl, C3-C20 branched alkyl, linear fluorinated C1-C12 alkyl, CN, C6-C20 aryl, and C2-C20 heteroaryl; L is selected from substituted or unsubstituted C2-C42 heteroaryl, substituted or unsubstituted C6-C24 aryl or a polar group selected from (formula (aa)), (formula (bb)) and (formula (cc)), wherein substituents, if present in the respective group L are independently selected from the group consisting of deuterium, fluorine, C1-C20 linear alkyl, C3-C20 branched alkyl, C3-C20 cyclic alkyl, C1-C20 linear alkoxy, C3-C20 branched alkoxy, C1-C12 linear fluorinated alkyl, C1-C12 linear fluorinated alkoxy, C3-C12 branched fluorinated cyclic alkyl, C3-C12 fluorinated cyclic alkyl, C3-C12 fluorinated cycle alkoxy, CN, RCN, C6-C20 aryl, C2-C20 heteroaryl, OR, SR, (C=O)R, (C=O)NR2, SiR3, (S=O)R (S=O)2R, (P=O)R2; each R independenfly selected fromC1-C20 linear alkyl, C1-C20 alkoxy, C1-C20 thioalkyl, C3-C20 branched alkyl, C3-C20 cyclic alkyl, C3-C20 branched alkoxy, C3-C20 cyclic alkoxy, C3-C20 branched thioalkyl, C3-C20 cyclic thioalkyl, C6-C20 aryl and C2-C20 heteroaryl, and a is an integer from o to 2, respective compounds as well as display and lightning devices comprising the same.

The invention discloses an organic electroluminescent compound of a benzanthracene derivative. The structural general formula of the organic electroluminescent compound of the benzanthracene derivative is shown as a chemical formula 1 shown in the specification, wherein X is a chemical bond, O, S, Si(R4R5), C(R6R7) or NR8; and Ar1, Ar2 and R1-R3 are independently selected from hydrogen, a substituted or non-substituted C1-C10 alkyl group, a substituted or non-substituted C6-C30 aryl group, a substituted or non-substituted 3-membered-30-membered heteroaryl group, a substituted or unsubstitutedC10-C30 fused ring group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C1-C30 alkyl sulfydryl group, a substituted or unsubstituted C6-C30 arylamino group, and asubstituted or unsubstituted C6-C30 aryloxy group. The organic electroluminescent compound provided by the invention has the advantages of short synthetic route, simple process, easily available raw materials and low cost, and is suitable for industrial production.

The invention discloses a method for measuring polycyclic aromatic hydrocarbons in cigarette cut tobacco by on-line solid phase extraction and high performance liquid chromatography. The polycyclic aromatic hydrocarbons refer to the following thirteen compounds: naphthalene, 1-methylnaphthalene, 2-methylnaphthalene, fluorene, phenanthrene, anthracene, fluoranthene, benzo (a) anthracene, benzo (b) fluoranthene, benzo (k) fluoranthene, benzo (a) pyrene, dibenzo (a,h) anthracene and benzo (g,h,i) perylene. The method is characterized in that the polycyclic aromatic hydrocarbons in the cigarette cut tobacco are extracted by adopting a triangular flask holding cyclohexane, and the content of the polycyclic aromatic hydrocarbons in the cigarette cut tobacco is measured by utilizing the on-line solid phase extraction and the high performance liquid chromatography. The method has the advantages that the content of the polycyclic aromatic hydrocarbons in the cigarette cut tobacco can be rapidly and efficiently detected; pretreatment is simple; average relative standard deviation is less than 5 percent, and the average recovery rate of all indexes is between 83.6 percent to 104.1 percent; the method has the characteristics of being rapid, accurate, high in sensitivity and high in repeatability.

A benzanthracene derivative having hydrogen atom at the 12-position, and an organic electroluminescence device having an organic thin film layer, which has one layer or a plurality of layers including at least a light emitting layer, is disposed between a cathode and an anode and contains the benzanthracene derivative in at least one layer in the organic thin film layer singly or as a component of a mixture. The electroluminescence device provides a great efficiency of light emission, has a long life and exhibits an excellent chromaticity.

The invention relates to a benzanthracene organic electroluminescent material, and a preparation method and application thereof. The invention solves the technical problems of low efficiency and short service life in the blue light material in the prior art. The benzanthracene organic electroluminescent material provided by the invention is prepared by reacting R1 / R2-substituted amine compound and 3-bromo-7,7-dimethyl-7H-benzanthracene. Due to the introduction of substituted groups, the material has the advantages of higher solubility and favorable film-forming properties, and is suitable for manufacturing an OLED (organic light-emitting diode) device. The preparation method of the material is simple and low in cost; and the toxic solvent used in the past organic material preparation process is changed into the common solvent methylbenzene, so that the operation is convenient, the product is easy to purify, and the yield is higher. The benzanthracene organic electroluminescent material can be used as a luminescent material, luminescent main body material or transmission material in an electroluminescent device, and has wide prospects.

The invention belongs to the technical field of analytical chemistry, and particularly relates to a sample pretreatment method and a determination method for detecting a polycyclic aromatic hydrocarbon marker in a traditional Chinese medicine product. The method includes: firstly mixing a to-be-detected sample with ethanol and water, fully wetting and dispersing the to-be-detected sample, and conducting further extraction; selecting n-hexane as an extracting agent to effectively extract benzo[a]anthracene, benzo[b]fluoranthene and benzo[a]pyrene in the to-be-detected sample, and extracting a minimum amount of interfering substance to obtain a first n-hexane extraction solution; then sequentially carrying out Florisil column purification and EU polycyclic aromatic hydrocarbon solid phase extraction column purification on the first n-hexane extraction solution to remove phenolic compounds, chlorophyll, lutein, alkane, fat, yellow pigment and other interfering substances, and removing thesolvent of the obtained purified liquid, thus obtaining a second purified extract, which can be used for precisely detecting the content of the polycyclic aromatic hydrocarbon marker.

The present invention provides a novel compound whose structure is represented by formula (I). Among them, R1 to R5 are independently selected from C1-C20 aliphatic alkyl groups or C6-C20 aromatic groups; Ar is selected from C4-C30 aromatic rings, C4-C30 N-containing heterocycles, and C4-C30 condensed Heterocyclic aromatic hydrocarbons, C4-C30 arylamino or C4-C30 aryloxy; n is 1 or 2; A1 to A4 are N atoms or C atoms; when A1 and A3 are N atoms at the same time, A2 and A4 are C atom; or, when A1 and A4 are N atoms at the same time, A2 and A3 are C atoms; or, when A2 and A4 are N atoms at the same time, A1 and A3 are C atoms; or, when A3 and A4 are N atoms at the same time A1 and A2 are C atoms; or, when A1, A3, and A4 are N atoms at the same time, A2 is a C atom; L is a single bond or a C6-C10 aromatic ring or a C4-C10 N-containing heterocycle. Such compounds are used as electron transport layer materials or light-emitting host materials in organic electroluminescent devices.

A spun-dyed polyester monofilament is provided having a linear density of at least 40 dtex containing at least one pigment selected from the group of phthalocyanine, metallophthalocyanine, pyrazolone, anthraquinone, dioxazine, sulfur, azo, dibenzanthrone and / or perylene pigments, wherein the sum total of free hot-air shrinkage after 30 minutes' treatment at 180° C. and extension at a specified load of 27 cN / tex from the stress-strain diagram of the polyester monofilament is less than 15%.

The invention relates to an organic compound containing benzanthracene fluorene and diarylamine, and application of the organic compound in an organic electroluminescent device, belongs to the technical field of semiconductors, and provides a compound with a structure shown as a general formula (1). The invention also discloses application of the organic compound containing benzanthracene fluoreneand diarylamine. The compound provided by the invention has relatively strong hole transport capability, improves the hole injection and transport performance under a proper HOMO energy level, and achieves the electron blocking effect under the proper LUMO energy level so as to improve the recombination efficiency of excitons in the light-emitting layer. When the compound is used as a light-emitting functional layer material of an OLED light-emitting device, the exciton utilization rate and the radiation efficiency can be effectively improved by matching with the branched chains in the rangeof the invention.

The invention relates to an organic compound containing benzanthracene, a preparation method and application thereof, belongs to the technical field of semiconductors, and provides a compound with a structure shown as a general formula (1). The invention also discloses a preparation method and application of the compound. According to the invention, the compound provided by the invention has relatively strong hole transport capability, wherein the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, so that the recombination efficiency of excitons in the light-emitting layer is improved; and when the compound is used as a light-emitting functional layer material of an OLED light-emitting device, the exciton utilization rate and the radiation efficiency can be effectively improved by matching with the branched chains in the range of the invention.

The invention discloses an industrial production method of benzo [a] anthracene, which belongs to the technical field of organic synthesis, and comprises the following steps of carrying out lithium substitution on 2-bromonaphthalene through 2, 2, 6, 6-tetramethylpiperidine lithium, and carrying out boron esterification and acidification through triisopropyl borate to obtain 2-bromo-3-naphthaleneboronic acid, carrying out Suzuki reaction on 2-bromo-3-naphthaleneboronic acid and iodobenzene to prepare 2-bromo-3-phenyl naphthalene, carrying out lithium substitution on 2-bromo-3-phenyl naphthalene and n-butyllithium, and preparing 2-formyl-3-phenyl naphthalene through DMF, carrying out Witting reaction on 2-formyl-3-phenyl naphthalene, chloromethyl ether triphenylphosphine salt and sodium tert-butoxide to prepare 2-methoxyvinyl-3-phenyl naphthalene, and enabling 2-methoxyvinyl-3-phenyl naphthalene to be subjected to ring closing through methanesulfonic acid, and preparing benzo [a] anthracene. Compared with an existing benzo [a] anthracene synthesis method, raw materials are cheap and easy to obtain, operation is easy, discharge of three wastes is small, preparation is environmentally friendly, and industrial production is facilitated.

The invention relates to a benzanthracene-containing organic compound and application thereof, and belongs to the technical field of semiconductors. The benzanthracene-containing organic compound hasa structure shown as a general formula (1). The compound provided by the invention has relatively strong hole transport capability, and the hole injection and transport performance is improved under aproper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; when thebenzanthracene-containing organic compound is used as a light-emitting functional layer material of an OLED light-emitting device, the exciton utilization rate and the radiation efficiency can be effectively improved by matching with the branched chains in the range of the invention.

The present invention relates to substituted benz[a]anthracene derivatives, to the preparation thereof and to the use thereof in organic electroluminescent devices, as well as to electroluminescent devices, especially blue-emitting devices, in which said compounds are used as matrix material or doping agent in the emitting layer and / or as hole transport material and / or as electron transport material.

The invention provides a method for repairing polycyclic aromatic hydrocarbon contaminated soil through a g-C3N4 / TiO2 composite material. The method comprises a step of pretreating the polycyclic aromatic hydrocarbon contaminated soil, namely a step of removing foreign matters, grinding, smashing and sieving; a step of testing the variety and content of the polycyclic aromatic hydrocarbons to determine the pollutant concentration; a step of mixing g-C3N4 / TiO2 with the polycyclic aromatic hydrocarbon contaminated soil, uniformly stirring, and flattening to form a soil layer; a step of irradiating the flattened soil layer under a light source; after illumination, turning and stirring the soil layer. According to the soil remediation method, pollution of five polycyclic aromatic hydrocarbon substances including benzo(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, indeno(1,2,3-cd) pyrene and dibenzo(a,h)anthracene in the soil can be effectively reduced, and the concentration of corresponding substances in the final soil reaches a risk management and control standard value. The method is easy to implement, the treatment period is short, the effect is remarkable, and economic benefits, environmental benefits and social benefits can be effectively achieved.

The invention provides a method for measuring a polycyclic aromatic hydrocarbon neutral molecule in cosmetics by using a Large Volume Sample Stacking-pH Dynamic link-micellar electrokinetic capillarychromatography (LVSS-DypH-MEEKC). The method employs the LVSS-DypH-MEEKC to analyze and detect a cosmetic extract, and obtains electrophoresis spectrograms of polycyclic aromatic hydrocarbon compounds of benzo[g, h, i]erylenesolution, dibenzo[a,h]anthracene, benzo[a]erylenesolution, benzo[b]fluoranthene, benzo[a]anthracene, and fluoranthene. The concentrations of the six substances are obtained according to a correction curvilinear equation. According to the invention, the concentrations of the benzo[g, h, i]erylenesolution, the dibenzo[a,h]anthracene, the benzo[a]erylenesolution, the benzo[b]fluoranthene, the benzo[a]anthracene, and the fluoranthene in the cosmetics can be analyzed and measured simultaneously. The method for analyzing polycyclic aromatic hydrocarbon by using micellar electrokinetic capillarychromatography can be used for detecting the polycyclic aromatic hydrocarbons and provides an effective reference for separation and enrichment of other neutral compounds with the same structure and property. The method is simple, rapid and high efficient. A buffer solution used in the method is mainly an aqueous solution without a large amount of organic solvents, has small pollution, and is environment friendly. The amount of requirement solvents and samples are small. The price of used hollow capillary columns is low, and the analysis cost is low.

The invention relates to the field of microbial degradation technology and environmental protection, in particular to screening of a strain MZ-5 (Microbacterium xylanilyticum) with a degradation effect on benzo[a] anthracene and application of the strain MZ-5. The strain is named as MZ-5. The strain is preserved in the China General Microbiological Culture Collection Center, the address is Institute of Microbiology, Chinese Academy of Sciences, Courtyard 3, Beichen West Road, Chaoyang District, Beijing, China, the preservation number is CGMCC No.20668, and the preservation date is September 18, 2020. The strain is screened from the black and odorous bottom mud in Maozhou River in Shenzhen under the screening conditions that the pH value of a culture solution is about 7.0, the concentration of benzo[a] anthracene is 20 mg / L, the rotating speed is 140 r / min, and the constant temperature for culture is 30 DEG C. Under the condition of pure culture, when the pH value is 5.0 and the temperature is 30 DEG C, the degradation efficiency of the strain on benzo[a] anthracene is the highest, and the degradation efficiency can reach 67% within 72 h. In addition, the strain has good adaptive capacity in bottom mud, and shows better multi-substrate degradation capacity. Through research on biological characteristics and degradation characteristics of the strain, a technical support can be provided for biological treatment of refractory organic matter such as benzo[a] anthracene and the like in bottom mud.

The invention relates to the technical field of optical and photoelectric materials, and discloses a derivative based on bis-boroxadiphenylanthracene, its preparation method and application. The bis-boroxadibenzo[A,H]anthracene derivative has the characteristics of high quantum efficiency, high thermal decomposition temperature and glass transition temperature, and easy adjustment of the triplet state energy level, so it has great potential in the field of host materials or luminescent materials. Huge application prospects.