56 results about "Indolocarbazole" patented technology

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 sclerotising panencephalitis (SSPE) as a late complication of viral infections in the CNS], and cancer.

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.

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.

An electronic device comprising a polymer comprising at least one type of repeat unit comprising at least one type of an optionally substituted indolocarbazole moiety and at least one divalent linkage.

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).

A substituted indolocarbazole comprising at least one optionally substituted thienyl.

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.

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.

The invention discloses a lightweight anti-scorching conductive shielding material and a preparation method thereof, and relates to the technical field of electromagnetic shielding materials. The preparation method comprises the following steps: by taking hollow spiral metal copper nanofibers as a framework, dipping in a matrix solution containing a self-made additive, curing, then foaming into a foam-shaped structure by utilizing gas, and coating the inner surfaces of micropores with a self-made conductive polymer to prepare the conductive shielding material; wherein the self-made additive is prepared from butyric acid amino acetamide dibutanol, methyl dichlorophosphate and aminoethyl biphenyl borate, so that the conductive shielding material achieves excellent flame-retardant and corrosion-resistant functions; the self-made conductive polymer is prepared by carrying out coupling polymerization on bromide ions of bromo-diheptyl indolocarbazole and dibromo-dinitrobenzothiadiazole, so that the conductivity of the conductive shielding material is effectively improved. The light anti-scorching conductive shielding material prepared by the invention has the effects of flame retardance, corrosion resistance and high electromagnetic shielding property.

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.