58 results about "Indolocarbazole" patented technology

Disclosed is an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully assured of driving stability, and simple in constitution. The organic electroluminescent device comprises a hole-transporting layer, a light-emitting layer, and an electron-transporting layer disposed between an anode and a cathode piled one upon another on a substrate and the light-emitting layer contains a phosphorescent dopant and an indolocarbazole compound of specific structure. Examples of the indolocarbazole compound are N,N′-diphenylindolocarbazole and bis(N-phenylindolo)carbazole.

The present invention provides a compound of formula (I) for an organic electroluminescent device:wherein X and Y are each independently selected for the group consisting of an alkyl substituted, aryl substituted or unsubstituted carbazole, indolocarbazole, triphenylsilyl and diphenylphosphine oxide represented by formula (A), (B), (C), (D) or (E),in which R1, R2, and R3 are each independently selected from the group consisting of a hydrogen, an alkyl having 1 to 15 carbons atoms, an aryl group having 6 to 15 carbons atoms, an alkyl substituted, an aryl substituted or unsubstituted triphenylsilyl, and a diphenylphosphine oxide represented by the formula (D) or (E); m and n are each independently 0 or 1, provided that m+n is 1 or more; and Ar1 and Ar2 are each independently selected from the group consisting of an alkyl substituted, aryl substituted or unsubstituted phenyl, tolyl, naphthyl, fluorenyl, anthracenyl, and phenanthryl.

Provided is an organic electroluminescent device (organic EL device), in which the luminous efficiency of the device is improved, driving stability is sufficiently ensured, and the construction of the device is simple. This organic EL device is an organic electroluminescent device, including a light-emitting layer between an anode and a cathode laminated on a substrate, in which the light-emitting layer contains a phosphorescent light-emitting dopant and an indolocarbazole compound as a host material. Examples of the indolocarbazole compound include a compound represented by the following formula (1). It should be noted that in the formulae: a ring A and a ring B are represented by the formulae (1a) and (1b), respectively; Ar's each represent an aromatic hydrocarbon group or an aromatic heterocyclic group; R's each represent a hydrogen atom, an alkyl group, or a cycloalkyl group; X represents a methine group or a nitrogen atom; A represents an aromatic hydrocarbon group, an alkyl group, a cycloalkyl group, or a group represented by the formula (1c); and n represents 0 or 1.

Novel indolocarbazole derivatives potentially useful for the treatment of dementias characterized by tau hyperphosphorylation [Alzheimer's disease (AD), frontal lobe degeneration (FLD), argyrophilic grains disease, subacute sclerotizing panencephalitis (SSPE) as a late complication of viral infections in the CNS], and cancer.

Disclosed are an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, fully secured of driving stability, and of simple constitution and a compound useful for the fabrication of said organic EL device. The compound for the organic EL device has an indolocarbazole structure or a structure similar thereto in the molecule wherein an aromatic group is bonded to the nitrogen atom in the indolocarbazole. The organic EL device has a light-emitting layer disposed between an anode and a cathode piled one upon another on a substrate and said light-emitting layer comprises a phosphorescent dopant and the aforementioned compound for an organic electroluminescent device as a host material.

A process composed of: reacting a reaction mixture comprised of one or more optionally substituted indolocarbazoles, a reaction medium, and a coupling agent at a reaction temperature to form a compound composed of a plurality of optionally substituted indolocarbazole moieties which are the same or different from each other.

A thin film transistor composed of a semiconductor layer including an optionally substituted indolocarbazole.

A thin film transistor composed of a semiconductor layer including an optionally substituted indolocarbazole.

The present invention discloses a plurality of indolocarbazole alkaloids having strong insect disinfestation activities, and a production strain of the indolocarbazole alkaloids. The indolocarbazole alkaloid compound production strain CQT14-24 is a marine Streptomyces nitrosporeus CQT14-24 strain, wherein the strain is subjected to artificial culture, and the obtained fermentation product is extracted by the conventional chemical method so as to obtain four indolocarbazole alkaloids and an anthraquinone compound. According to the present invention, the indolocarbazole alkaloids and the one anthraquinone compound provide strong killing effects on a variety of cultivated plant pests, particularly the pests having characteristics of spreading in agriculture and forestry production and serious harm and comprising Pieris rapae, Brevicoryne brassicae, Hyphantria cunea, Plutella xyllostella, Mythimna separate and Helicoverpa armigera, wherein the relative mortality rate achieves 81.9-100%, the polypide is seriously reduced, the growth inhibition rate is 100%, and the imago pupation rate is reduced by 70.4-86.7%; and the strain is subjected to acclimation through the artificial culture, and has characteristics of stable feature, easy culture, simple and feasible operation method, no environmental pollution, short period, cheap raw materials, low production cost, good development prospect, and easy industrialization achieving.

The present invention provides a compound of formula (I) for an organic electroluminescent device:wherein X and Y are each independently selected for the group consisting of an alkyl substituted, aryl substituted or unsubstituted carbazole, indolocarbazole, triphenylsilyl and diphenylphosphine oxide represented by formula (A), (B), (C), (D) or (E).

Indolocarbazole tetraphenylene compounds are disclosed. These novel compounds contain tetraarylene or tetraheteroarylene which can be used as charge transporting materials, charge blocking materials, hosts or emitters in an organic electroluminescent device. These novel compounds offer better device performance than comparative compounds that don't contain a tetraarylene or tetraheteroarylene structure. Also disclosed are an electroluminescent device and a formulation.

Disclosed is an organic electroluminescent device (organic EL device) which is improved in luminous efficiency, sufficiently secures driving stability, and has a simple configuration. The organic EL device of this invention comprises a light-emitting layer between an anode and a cathode piled one upon another on a substrate and the light-emitting layer contains a phosphorescent dopant and an unsymmetrical indolocarbazole compound as a host material. The unsymmetrical indolocarbazole compound has a structure in which two or more groups having an indolocarbazole structure are linked together by a linking group and at least one of the groups has an isomeric indolocarbazole skeleton different from those of the other groups. Examples of the unsymmetrical indolocarbazole compound include compounds represented by the following formula (2) wherein A is a substituent, each of R1 to R3 is a hydrogen atom or a substituent, and L is a linking group composed of an aromatic group.

The invention discloses an indolocarbazole compounds as well as a preparation method and application of indolocarbazole. The compound is of a structure shown in a formula I, a formula II and formula III as shown in the description. The compound provided by the invention can be used for treating acute leukemia, chronic leukemia, lymphoma, breast cancer, lung cancer, stomach cancer and other cancers related to inhibition of protein kinase, and can be applied to a drug for treating diseases such as Aids, coronary heart disease, diabetes mellitus and senile dementia. The invention also discloses a preparation method of a compound for resisting tumors, the compound for resisting tumors is prepared by fermenting with a marine-derived actinomycetes rice solid culture medium, and separating and purifying a yeast obtained after extraction of ethyl acetate by adopting gel column chromatography and high performance liquid chromatography, and the operation is easy to operate and implement.

The invention discloses a material with a long-service-life room-temperature phosphorescence phenomenon, a preparation method and application. The material is prepared from an organic compound takingindolo-indole or indolocarbazole as a basic unit, wherein the organic compound has a structural general formula of a general formula I shown in the description, wherein Ar is an aromatic group or a derivative group thereof; R is a hydrogen atom or an alkyl chain, an olefin chain and a derivative group which contain 1-18 carbon atoms; and an R' position is a hydrogen atom or does not contain atoms.According to the material, the defects that an inorganic long afterglow material is difficult to synthesize and heavy metal elements need to be doped are overcome, and the material disclosed by the invention has the long-service-life room-temperature phosphorescence phenomenon.

Disclosed in the present invention is a deuterated indolocarbazole compound, mixture and formulation comprising the said compound, and an organic electronic device. For said deuterated indolocarbazole compound, in an indolocarbazole conjugated system, a C—H bonding is optionally replaced by a C-D bonding, thus reduces the reactivity of the compound and moreover allowing the superior chemical and environmental stability. The present invention applies the deuterated indolocarbazole compound to the organic electronic device and provided is a solution for improving the stability and lifespan of the device.

Indolocarbazole tetraphenylene compounds are disclosed. These novel compounds contain tetraarylene or tetraheteroarylene which can be used as charge transporting materials, charge blocking materials,hosts or emitters in an organic electroluminescent device. These novel compounds offer better device performance than comparative compounds that don't contain a tetraarylene or tetraheteroarylene structure. Also disclosed are an electroluminescent device and a formulation.

The present invention relates to the use of specific compounds related to the indolocarbazole K252a, for the preparation of pharmaceutical compositions for the treatment of various forms of cancer.

The present invention relates to novel protein kinase inhibitors with advantageous pharmaceutical properties, methods for their preparation, intermediates thereof and pharmaceutical compositions comprising the same, reagents containing the same, and methods of using the same as therapeutics, particularly in CNS diseases.

The invention provides an indolocarbazole-based organic light-emitting material and a preparation method and application thereof, and belongs to the technical field of organic photoelectric materials. Indolo[3,2-b]carbazole is used as an electron donating core, two N atoms of the indolo[3,2-b]carbazole are respectively connected with the same acceptor groups, and the organic light-emitting material which has the characteristics that molecular structures among a plurality of donor groups and acceptor groups are distorted and has the thermal activation delayed fluorescence characteristic is synthesized. The preparation method comprises the following steps: adding indolo[3,2-b]carbazole, a halogenated acceptor compound, an organic alkali, a palladium catalyst and a phosphine ligand into toluene according to a certain molar ratio under the protection of nitrogen, conducting heating to 110-120 DEG C, conducting reacting for 10-14 hours, and carrying out suction filtration and recrystallization. The organic electroluminescent device using the organic luminescent material has theoretically 100% IQE and relatively high EQE, realizes efficient emission of blue light, green light and red light, and has wide application prospects.

The invention belongs to the technical field of organic photoelectric materials, and particularly relates to organic compounds and an application thereof. The compounds have the parent structure of indolocarbazole, have high in bond energy between atoms, have good thermal stability, and are beneficial to solid accumulation between molecules; and great steric hindrance between the parent nucleus structure and a substituent group at the ortho-position of the phenyl-substituted position of the indolocarbazole derivative has an obvious protection effect on a central N atom, so that the indolocarbazole derivative is of significance to prolonging the service life of a luminescent material. A preparation technology of the organic compounds has the advantages of simplicity, easiness in implementation, easily available raw materials, and suitableness for mass production and amplification. The compounds are suitable for being used as a light emitting layer in an OLED device.

A substituted indolocarbazole comprising at least one optionally substituted thienyl.

The invention belongs to the technical field of preparation and application of organic photoelectric materials, and discloses an indolocarbazole diboron derivative and preparation and application thereof.According to the indolocarbazole-based diboron derivative, R1 and R2 are introduced to the two sides of five types of indolocarbazole such as indolo [2, 3-a] carbazole; r1 and R2 are selected from aromatic amine groups with the carbon atom number of 6-30 and aromatic amine heterocyclic groups with the carbon atom number of 6-30; and atoms for bonding R1 and R2 with boron atoms are carbon atoms and are positioned on ortho-positions of nitrogen atoms contained in R1 or R2. The diboron derivative of indolocarbazole disclosed by the invention can realize narrowing of the half-peak width of a luminescent spectrum based on a boron-nitrogen multiple resonance effect, can realize regulation and control of the luminescent spectrum in a relatively large range based on molecular conjugation regulation and control, is relatively wide in color gamut coverage range, and can be used as a luminescent material to be applied to an organic electroluminescent device to obtain relatively high device efficiency.

The invention provides a preparation method of an indolocarbazole compound, and the indolocarbazole compound is prepared through steps of: with substituted indole and nitroolefin as initial raw materials, performing a multi-component reaction under a room-temperature acidic condition. The preparation method provided by the invention has the advantages of mild reaction conditions, simple operation,no need of a metal catalyst, easily available reaction raw materials, simultaneous introduction of a plurality of substituents, easy separation of products and the like, and has a wide substrate application range. According to the method, various substrate structures can tolerate the reaction conditions, the application range is wide, and a simple and feasible method is provided for synthesizingthe indolocarbazole compound. The structural formula of the indolocarbazole compound is shown in the specification.

The invention discloses an A-pi-D-pi-A type BODIPY small molecular photovoltaic material and a preparation method and application thereof, and belongs to the technical field of organic synthesis. According to the compound, carbazole, fluorene, indolocarbazole, phenothiazine, triphenylamine, benzodithiophene, indacenedithiophene, dithienopyrrole, cyclopentadithiophene and the like are used as electron donating units (D), and X-group and Y-group substituted BODIPY units (A) are bridged through different numbers of thiophene (pi) respectively. HOMO energy levels and band gaps of molecules are cooperatively regulated and controlled by utilizing different numbers of D units and pi bridges, so that the photoelectric conversion efficiency of the material is improved. The compound has the potential of becoming a high-efficiency and high-current organic small-molecule photovoltaic material, and broadens the research thought for developing BODIPY photovoltaic materials with different molecular skeletons.