36 results about "Benzanthracene" patented technology

A compound having the following structure as at least a part:wherein FA and FA′ are a substituted or unsubstituted fused aromatic ring which may be the same or different, and at least one of FA and FA′ is a fused aromatic ring having 4 or more rings.

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.

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.

A compound having the following structure as at least a part:wherein FA and FA′ are a substituted or unsubstituted fused aromatic ring which may be the same or different, and at least one of FA and FA′ is a fused aromatic ring having 4 or more rings.

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 purpose of the present invention is to improve the luminous efficiency, stability and service life of the display device, and further provide a benzanthracene compound with a new structure, its preparation method and an organic electroluminescent device, belonging to the technical field of luminescent materials. The organic electroluminescent device prepared by using the benzanthracene compound provided by the invention as a hole transport layer exhibits high efficiency and long life. The preparation method of the benzanthracene compound provided by the invention has easy-to-obtain raw materials, simple preparation method and high yield, and is suitable for industrialized production.

The invention relates to a benzanthracene organic luminescent 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 luminescent material provided by the invention is prepared by reacting R1 / R2-substituted diamine compound, R2-substituted halide and benzanthracene bromine substitute. Due to the introduction of the substituted group, 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 arylamino-substituted 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 26 Lm / w, and the half-time service life is 20000 hours; and thus, the material can satisfy the operating requirements for OLEDs.

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 thecompounds. 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 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 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.