36 results about "Benzanthracene" patented technology

An electric smoking system includes a cigarette including a cylindrical tobacco web partially filled with tobacco material to define a filled tobacco rod portion and an unfilled tobacco rod portion, and an electric lighter. The wrapper includes a filler of ammonium-containing compounds effective to reduce the gaseous constituents of the smoke produced during smoking. The system includes a pilot burner including at least one heating vane and a controller adapted to control heating of the heating vane. The lighter is configured to at least partially contain the cigarette such that the heater blade heats the heating region of the cigarette. Manipulating the controller to limit the heating of the heater blades to a predetermined temperature range which allows the delivery of the smoke generated when the portion of the tobacco rod is heated while at least reducing the amount of smoke present in the smoke as compared to smoking a cigarette having only calcium carbonate as filler. A gaseous component. The gaseous components that can be reduced include carbon monoxide, 1,3 butadiene, isoprene, acrolein, acrylonitrile, hydrogen cyanide, 0-toluidine, 2-naphthylamine, nitrogen oxide, benzene, NNN, Phenol, catechol, benzanthracene and benzopyrene.

A compound having the following structure as at least a part thereof:

wherein FA and FA′ are independently a substituted or unsubstituted hydrocarbon aromatic ring or hetero atom-containing aromatic ring, and at least one of FA and FA′ is the hetero atom-containing aromatic ring.

The invention provides a novel compound which is represented by the formula (I), wherein the R1 to R5 are independently selected from a C1-C20 aliphatic alkyl group or a C6-C20 aromatic group; the Ar is selected from: a C4-C30 aromatic ring, a C4-C30 N-containing heterocycle, a C4-C30 condensed heterocyclic aromatic hydrocarbon, a C4-C30 aromatic amino group, or a C4-C30 aromatic oxy group; n is 1 or 2; A1 to A4 represent N atoms or C atoms, when the A1 and A3 represent N atoms at the same time, the A2 and A4 represent C atoms; or when the A1 and A4 represent N atoms at the same time, the A2 and A3 represent C atoms; or when the A2 and A4 represent N atoms at the same time, the A1 and A3 represent C atoms; or when the A3 and A4 represent N atoms at the same time, the A1 and A2 represent C atoms; or when the A1, A3, and A 4 represent N atoms at the same time, the A2 represents a C atom; and L represents a single bond, or a C6-C10 aromatic ring, or a C4-C10 N-containing heterocycle. The compounds are used as an electron transmission layer material or a luminous main material in organic electroluminescence devices.

The invention relates to a benzanthracene organic 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 organic luminescent material provided by the invention is a compound using benzanthracene as a basic framework. The organic luminescent material is prepared by carrying out Suzuki coupling reaction on 3,9-dibromo-7,7-dimethyl-7H-benzanthracene and boric acid containing A substituent group, and has the advantages of favorable film-forming properties and high luminescence efficiency. By changing the reaction solvent into a common solvent, the preparation method is convenient to operate and easy for purification, greatly enhances the yield, and lowers the cost, so that the compound has the possibility for further development and application and can satisfy the demands of industrial production. 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.

A benzanthracene organic light-emitting material is characterized by having a following general structural formula. A group A is a substituted or unsubstituted aryl group forming into a ring and with carbon number of 6-30. The synthesis method provided by the invention is simple, low-cost, easy for purification, and has high yield and good performance in luminous efficiency, brightness, driving voltage, life and stability; the material can be prepared into a display device for application; and at the same time, luminescence peak position can be adjusted.

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 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 present invention relates to the compounds of the formula (1) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.

A compound having the structure represented by the following formula (1) or (1)′ as at least a part:

wherein FA is a fused aromatic ring, and Ar is an aromatic group.

The invention provides a detection and separation method of two enantiomers of 2,6-diamido triptycene with three-dimensional rigid structures and confirmation of absolute configurations thereof. Bridgehead carbons at the ninth sites and the tenth sites of the structures of the two enantiomers of the 2,6-diamido triptycene are chiral carbon atoms. According to the detection and separation method of the two enantiomers of the 2,6-diamido triptycene with the three-dimensional rigid structures and the confirmation of the absolute configurations thereof provided by the invention, high performance liquid chromatography (HPLC) is adopted, a chiral column is utilized for separating the two enantiomers, two optical voidness isomer components with ee percent being larger than 98 percent are obtained, and through X-ray single crystal diffraction analysis, the absolute configurations are confirmed as an (S,S) type and an (R, R) type, i.e., the two enantiomers are sequentially (9S, 10S)-9,10-dihydro-9,10-[1,2]benzanthracene-2,6-diamine and (9R, 10R)-9,10-dihydro-9,10-[1,2]benzanthracene-2,6-diamine. The prepared enantiomers can be used as key constructing units for synthesizing a chiral catalyst.

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 invention discloses a spirobenzanthracene fluorene compound, an organic electroluminescent device and a display panel. The structure of the spirobenzanthracene fluorene compound is shown as a general formula (1). The spiro benzanthracene fluorene compound provided by the invention has relatively high glass transition temperature and molecular thermal stability. After the compound is applied to the organic light-emitting device, the photoelectric property and the service life of the organic light-emitting device can be effectively improved.

The invention relates to a benzanthracene-containing organic compound and application thereof, belongs to the technical field of semiconductors, and provides a compound with a structure shown as a general formula (1). 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 bymatching with the branched chains in the range of the invention.

Provided is a synthesis method of a boron-nitrogen benzanthracene fused-ring compound. The synthesis method of the boron-nitrogen benzanthracene fused-ring compound comprises the step of adopting boron-nitrogen benzanthracene halide, a coupling precursor, a catalyst, a ligand and the like as raw materials for a reaction at the temperature of 60-140 DEG C for 3-24 hours under the protection of nitrogen to obtain the boron-nitrogen benzanthracene fused-ring compound. The boron-nitrogen benzanthracene halide is a boron-nitrogen benzanthracene monobromo (chloro)-substituted or dibromo (chloro)-substituted derivative; the coupling precursor is selected from diphenylamine and derivatives thereof, pyrene boric acid and derivatives thereof and the like. The catalyst is selected from palladium acetate, ditriphenylphosphine palladium dichloride and the like. The ligand is selected from triphenyl phosphine, tricyclohexyl phosphine and the like. According to the method, a boron-nitrogen aromatic ring is used as a basic framework for derivatization, so that the problem of poor selectivity of a direct boronization reaction is avoided, and meanwhile, the use of a sensitive reagent is avoided. Theprovided synthesis method of the boron-nitrogen benzanthracene fused-ring compound is wide in application range of raw materials, simple in reaction, high in reaction specificity and yield and smallin environmental pollution, and the variety of boron-nitrogen compounds is enriched.