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Organic electroluminescent element
|| List of recent Carbazole-related patents
| Light-emitting element and electronic device|
An object is to provide a light-emitting element with high emission efficiency which includes a novel carbazole derivative that has a wide energy gap and can be used for a transport layer or a host material in a light-emitting element. A carbazole derivative in which the 4-position of dibenzothiophene or dibenzofuran is bonded to the 2- or 3-position of carbazole has been able to be provided by use of the carbazole derivative.
| Organic electroluminescent element|
Provided is an organic electroluminescent device (organic el device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction. The organic electroluminescent device includes an organic layer including a light-emitting layer between an anode and cathode laminated on a substrate, and at least one layer of the organic layer contains a carbazole compound represented by the following formula (1).
| Process for making lithographic printing plate|
A process for making a lithographic printing plate enables a one-bath processable lithographic printing plate having excellent printing durability, ink laydown and resistance to staining during printing. The process includes a step of producing a negative-working lithographic printing plate precursor having, above a support, a photopolymerizable photosensitive layer containing a vinylcarbazole compound-derived monomer unit-containing acrylic polymer and/or a urethane-acrylic hybrid polymer, a step of image-wise exposing the negative-working lithographic printing plate precursor, and a step of developing the exposed negative-working lithographic printing plate precursor by means of a developer having a ph of 4 to 10, comprising (component a) a compound represented by formula (i) and/or formula (ii) below and (component b) water, and having an organic solvent content of less than 5 mass %.
|Biscarbazole derivative and organic electroluminescence element using same|
A biscarbazole derivative is represented by the following formula (1). A1 and a2 of the following formula (1) represent an aromatic hydrocarbon group having 6 to 30 ring carbon atoms or an aromatic heterocyclic group having 1 to 30 ring carbon atoms.
|Carbazole-based compound and organic light emitting diode including the same|
A carbazole-based compound is represented by formula 1 and may be used in the organic layer of an organic light-emitting diode. An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first and second electrodes.
|Carbazole derivative and method for producing the same|
In the formula, ar1 represents an aryl group with 6 to 13 carbon atoms in a ring, and ar1 may have a substituent.. .
|Organic light-emitting diode|
An organic light-emitting diode (oled) is provided. The oled comprises a substrate, a first electrode on the substrate, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, a hole migration region disposed between the first electrode and the emission layer, and an electron migration region disposed between the emission layer and the second electrode.
|Phosphorescent compounds and organic light emitting diode devices using the same|
Where x, y, and z are each selected from the group consisting of carbon and nitrogen, and when x, y, and z are all carbon, r is any one selected from the group consisting of carbazole, α-carboline, β-carboline, γ-carboline, fluorine, dibenzothiophene, dibenzofuran, triphenylsilane, tetraphenylsilane, pyridine, quinoline, isoquinoline, pyrimidine, diphenylphosphineoxide, and substituents thereof.. .
|Novel carbazole derivatives and organic light-emitting diode device using the same|
The present invention relates to novel carbazole derivatives and an organic light-emitting diode device using the same. These carbazole derivatives can simultaneously or singly be used as a hole transporting layer, a host or guest of an emitting layer or an electron transporting layer of an organic light-emitting diode device..
|1,7-diazacarbazoles and methods of use|
The invention relates to 1,7-diazacarbazole compounds of formula (i), (i-a) and (i-b) which are useful as kinase inhibitors, more specifically useful as checkpoint kinase 1 (chk1) inhibitors, thus useful as cancer therapeutics. The invention also relates to compositions, more specifically pharmaceutical compositions comprising these compounds and methods of using the same to treat various forms of cancer and hyperproliferative disorders, as well as methods of using the compounds for in vitro, in situ, and in vivo diagnosis or treatment of mammalian cells, or associated pathological conditions..
|Aminoindolo[3,2,1-jk]carbazole compound and organic light-emitting device including the same|
Provided is the aminoindolo[3,2,1-jk]carbazole compound represented by formula  according to claim 1. In formula , l represents an integer of 1 to 3; n and m each independently represent an integer of 0 to 2; and r1 to r32 represent hydrogen atom, alkyl groups having 1 to 8 carbon atoms or fluorine atoms, wherein the alkyl groups may contain fluorine atoms..
|Nitrogenated aromatic heterocyclic derivative, and organic electroluminescent element using same|
A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic el device with a high emission efficiency and a long lifetime..
|Block copolymer and photoelectric conversion element|
Provide are: a conjugated block copolymer capable of increasing the amount of optical absorption by a photoelectric conversion active layer and controlling the morphology thereof and capable of achieving excellent photoelectric conversion efficiency; and a photoelectric conversion element comprising a composition including an electron accepting material and this kind of conjugated block polymer. A π-electron conjugated block copolymer comprising: a polymer block (a) which involving a monomer unit having at least one heteroaryl skeleton selected from the group consisting of a fused π-conjugated skeleton, a fluorene, a carbazole, a dibenzosilole and a dibenzogermole containing at least one thiophene ring in a part of a chemical structure thereof; and a polymer block (b) involving a monomer unit of a thiophene-2,5-diyl group having a substituent at least at a 3-position thereof..
|Host material for blue phosphor, and organic thin film and organic light-emitting device including same|
Provided are a host material for a blue phosphor, and an organic thin film and an organic light-emitting device including the same. The host material for a blue phosphor is such that a carbazole compound is bonded around a central atom, wherein the central atom is a group 14 element, and the carbazole compound bonded around the central atom is 3 or 4, wherein the carbazole compound includes carbazole in which an alkyl group is substituted.
|Organic el multi-color light-emitting device|
An organic el multi-color emitting device including a substrate, and a first light-emitting element and a second light-emitting element arranged on the surface of the substrate; the first light-emitting element including, between an anode and a cathode, a first organic layer, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the second light-emitting element including, between an anode and a cathode, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the first organic layer including a first light-emitting dopant; the third organic layer including a second light-emitting dopant; the second organic layer including any of (a) a compound including an arylamine site, and a furan site or a thiophene site, (b) a compound including an arylamine site and a site comprising a nitrogen-containing six-membered ring structure, (c) a compound including a carbazole site, and a furan site or a thiophene site, and (d) a compound including a carbazole site and a site including a nitrogen-containing six-membered ring structure.. .
|Carbazole compounds for delayed fluorescence|
Novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle.
|Indolocarbazole derivative and organic electroluminescence device including the same|
An indolocarbazole derivative and an organic electroluminescence device, the indolocarbazole derivative having a structure represented by a-l-b, wherein a and b are each independently an indolocarbazolyl group represented by one of formulae (1) to (6), below:. .
|Carbazole derivative and organic electroluminescence device using the same|
In formula 1, x is a carbon atom or a nitrogen atom. At least one of x is a nitrogen atom.
|Benzoimidazole derivative, organic electroluminescence material and organic electroluminscence device|
A benzoimidazole derivative includes two carbazole substituents connected to each other, and a benzoimidazole substituent connected to a benzene ring of one of the carbazole substituents through an aryl group.. .
|Material for organic electroluminescence device and organic electroluminescence device|
An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime..
|Compound having indolocarbazole moiety and divalent linkage|
A compound including at least one type of an optionally substituted indolocarbazole moiety and at least one divalent linkage.. .
|Carbazole derivative, light-emitting element material and organic semiconductor material|
An object is to provide a novel carbazole derivative that has an excellent carrier-transport property and can be suitably used for a transport layer or as a host material of a light-emitting element. Another object is to provide an organic semiconductor material and a light-emitting element material each using the carbazole derivative.
|Organic electroluminescent device with delayed fluorescence|
Novel compounds containing benzothiophene or benzofuran fused to a carbazoles moiety are disclosed. The compounds are substituted such that both an electron donor fragment and an electron acceptor fragment are present within the same molecule.
|Organic electroluminescence material comprising azacarbazole derivative and organic electrolumunescence device having the same|
Where x1 to x4 are each independently a nitrogen (n) atom or a carbon atom that is monovalently bonded to r1(c—r1), r1 is a hydrogen atom, a halogen atom, an aryl group having 6 to 18 carbon atoms, a hetero aryl group having 6 to 18 carbon atoms, or an alkyl group having 1-12 carbon atoms, r2 to r10 are each independently hydrogen, an aryl group having 6 to 30 carbon atoms, or hetero aryl group having 6 to 30 carbon atoms, and at least one of x1 to x4 is a nitrogen atom.. .
|Organic electroluminescent device with delayed fluorescence|
Novel electroluminescent devices containing bicarbazole triazine compounds as emissive dopants are described. Devices incorporating this class of compounds exhibit delayed fluorescence characteristics that showed eqe's far exceeding the theoretical limit for a conventional fluorescent device..
|Compound having an indolocarbazole ring structure and organic electroluminescent device|
R1 to r9 are hydrogen atoms, deuterium atoms, fluorine atoms, chlorine atoms, cyano groups, nitro groups, alkyl groups, cycloalkyl groups, alkenyl groups, alkyloxy groups, cycloalkyloxy groups, aromatic hydrocarbon groups, aromatic heterocyclic groups or aryloxy groups.. .
|Materials for organic electroluminescent devices|
The present invention describes copolymers containing indenocarbazole derivatives having electron- and hole-transporting properties, in particular for use in the interlayer, emission and/or charge-transport layer of electroluminescent devices, and the monomers which are necessary for the preparation of the copolymers. The invention furthermore relates to a process for the preparation of the copolymers according to the invention, and to electronic devices comprising same..
|Novel compounds for organic electronic material and organic electroluminescent device using the same|
The present invention relates to electroluminescent compounds of formula 1 where a and/or b represent fluorene, carbazole, dibenzo[b,d]thiophene or dibenzo[b,d]furan derivatives and l1, x1, ar1, ar2, r5, r6 and r7 are as defined herein, and organic electroluminescent devices comprising the same. The compounds according to the present invention have an advantage in manufacturing an organic electroluminescent device which has a high luminous efficiency and a long operational lifetime..
|3-aminocarbazole compound, pharmaceutical composition containing it and preparation method therefor|
The present invention relates to novel benzoyl derivatives of 3-aminocarbazole, to a pharmaceutical composition containing them, to a method for preparing them and to the use of such compounds for the production of a drug that is useful in the treatment or prevention of disturbances associated with the production of prostaglandin e2 (pge2), for instance inflammatory processes, pain, fever, tumours, alzheimer's disease and atherosclerosis.. .
|Organometallic complex and organic light-emitting device including the same|
An organometallic complex and an organic light-emitting device (oled) including the same are described. In exemplary embodiments, the subject oled devices may comprise an alkyl derivative of a tris(2-phenylpyridine)iridium complex paired with a carbazole-based host in an emission layer and emit green phosphorescent light..
A substituted indolocarbazole comprising at least one optionally substituted thienyl.. .
|Pi-electron conjugated block copolymer and photoelectric conversion element|
Provided is a conjugated block copolymer that is capable of morphology control and that can achieve superior conversion efficiency. A π-electron conjugated block copolymer contiguously or non-contiguously bonding polymer block (a) involving a monomer unit having in a portion of a chemical structure at least one heteroaryl skeleton selected from a thiophene, a fluorine, a carbazole, a dibenzosilole and a dibenzogermole; and a polymer block (b) involving a monomer unit similarly having at least one heteroaryl skeleton; wherein the polymer block (a) comprises a homopolymer block of a monomer unit having a substituent rna that is an alkoxy group or an alkyl group having 1-18 carbon atoms, and the polymer block (b) comprises a copolymer block of at least two different each other types of monomer units having substituent rnb selected from an alkoxy group or an alkyl group having 1-18 carbon atoms, which may be substituted with an alkoxy group, a halogen atom, a hydroxyl group, an amino group, a thiole group, a silyl group, an ester group, an aryl group, hetero aryl group..
|Iridium complexes demonstrating broadband emission through controlled geometric distortion and applications thereof|
Iridium compounds and their uses are disclosed herein. For example, carbazole containing iridium compounds are disclosed.
|Stable blue phosphorescent organic light emitting devices|
Novel combination of materials and device architectures for organic light emitting devices are provided. In some aspects, specific charge carriers and solid state considerations are features that may result in a device having an unexpectedly long lifetime.
|Light emitting device material and light emitting device|
The present invention provides an organic thin-film light emitting device having both high luminance efficiency and durability due to the use of a light emitting device material containing a compound having a specific carbazole skeleton.. .
|Organic compound, light-emitting element, light-emitting device, electronic device, and lighting device|
A novel substance with which an increase in life and emission efficiency of a light-emitting element can be achieved is provided. A carbazole compound having a structure represented by general formula (g1) is provided.
|Compounds for use in light emitting devices|
Optionally substituted ambipolar naphthalene compounds useful in light-emitting devices are described, including without limitation 9-(3-(10-(3-(1-phenyl-1h-benzo[d]imidazol-2-yl)phenyl)anthracen-9-yl)phenyl)-9h-carbazole and 9-(3-(10-(3-(1-phenyl-1h-benzo[d]imidazol-2-yl)phenyl)anthracen-9-yl)phenyl)-9h-carbazole.. .
|Biscarbazole derivative and organic electroluminescent element using same|
And an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime.
|Vinyl terminated polyethylene with long chain branching|
Vinyl terminated polyolefins with long chain branching produced with salan catalysts having carbazole moieties.. .
|Nonsymmetric catalysts comprising salan ligands|
Catalysts comprising a non-symmetrical salan ligand with a carbazole moiety. Also disclosed are catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes..
|Catalysts comprising salan ligands|
Catalysts comprising salan ligands with carbazole moieties. Also, catalyst systems comprising the catalyst and an activator; methods to prepare the ligands, catalysts and catalyst systems; processes to polymerize olefins using the catalysts and/or catalyst systems; and the olefin polymers prepared according to the processes..
|Light-emitting element, light-emitting device, electronic device, and lighting device|
A light-emitting element having a long lifetime is provided. A light-emitting element exhibiting high emission efficiency in a high luminance region is provided.
|Light-emitting element, light-emitting device, electronic device, and lighting device|
A light-emitting element with low drive voltage, a light-emitting element with high current efficiency, and/or a light-emitting element with a long lifetime are/is provided. Specifically, a light-emitting element with low drive voltage, a light-emitting element with high current efficiency, and/or a light-emitting element with a long lifetime are/is provided by the use of an organic compound with a dibenzo[f,h]quinoxaline skeleton in a light-emitting layer.
|Heterocyclic compound and light-emitting device, display device, lighting device, and electronic device using the same|
Provided is a compound having an indolo[3,2,1-jk]carbazole skeleton and a heterocyclic skeleton which are bonded to each other through an arylene group. The heterocyclic skeleton contains an imidazole skeleton, a pyrazine skeleton, a pyrimidine skeleton, a triazole skeleton, or a condensed heteroaromatic ring including any of these heterocycles.
|Heterocyclic compounds and organic light-emitting devices including the same|
Heterocyclic compounds, synthetic methods for preparing the same, and organic light-emitting display devices comprising the same are described. The subject heterocyclic compounds may comprise an aromatic ring or a heteroaromatic ring fused with a carbazole, dibenzothiophene, or dibenzofurane derivative, the compounds featuring rigid backbone structures with high glass transition temperatures and high melting points.
|Carbazole end capped bipyridine compounds and process for preparation thereof|
The present invention is to provide highly solid state emissive fluorophores of the formula 1 and 2 useful for the solid state lighting. The formula 1 and 2 have good solid state emission in blue and green region respectively.
|Process for making lithographic printing plate|
A process for making a lithographic printing plate is provided that includes a step of producing a negative-working lithographic printing plate precursor comprising, above a support, a photopolymerizable photosensitive layer comprising a vinylcarbazole compound-derived monomer unit-containing acrylic polymer and/or a urethane-acrylic hybrid polymer, a step of imagewise exposing the negative-working lithographic printing plate precursor, and a step of developing the exposed negative-working lithographic printing plate precursor using a developer comprising (component a) an organic solvent having a solubility in water at 20° c. Of 1.5 to 7.0 g/100 ml, (component b) an amphoteric surfactant represented by formula (i) below and/or formula (ii) below, and (component c) water..
|Bis-carbazole derivative and organic electroluminescent element using same|
Wherein a1, a2, l1, l2, r1 to r4, and a to d are as defined in the specification, is useful as a material for forming organic el devices and the organic el devices including the derivative is capable of driving at a low voltage and has a long lifetime.. .
|Curable composition, cured product, and organic electroluminescent element using same|
Provided are a curable composition for an organic electroluminescent element, which has high light emission efficiency and is applicable to a wet process, a cured product thereof, and an organic electroluminescent element containing the cured product in an organic layer. More specifically, provided are a curable composition containing a compound represented by an indolocarbazole skeleton compound, a cured product obtained by curing the curable composition, and an organic electroluminescent element containing the cured product in an organic layer..
|Low bandgap dicyanovinyl and tricyanovinyl oligothiophenes for solar cell applications|
The invention relates to solution-processable, p-type, low-optical gap oligothiophene compounds for use in solar cell application, comprising at least one thiophene-containing group, at least one electron-withdrawing dicyanovinyl or tricyanovinyl group, and at least one electron-donating diphenylaminofluorenyl or n-alkylcarbazole group.. .
The present invention relates to a novel triscarbazole compound having substituent on n-phenyl, which can be represented by formula (i). Wherein r1 is selected from the group consisting of hydrogen, halogen or alkyl or alkoxy group having 1 to 20 carbon atoms wherein at least one hydrogen atom is optionally replaced by halogen; ra, rb, rc, rd and re are any of substituents other than hydrogen wherein at least two of r1 and ra may further form a fused ring; and i, j, k, l and m are same or different at each occurrence and represent an integer from 0 to 4, with the proviso that when r1 is hydrogen, i is not 0.
The disclosure provides bisindole suitable for inhibiting lipoxygenases or aβ-formation, and treating associated diseases, such as alzheimer's disease. The bisindoles are indolo[2,3-b]carbazole derivatives, and may be administered to a patient as part of a pharmaceutical formulation..
|Light emitting device material and light emitting device|
Provided are a light emitting device material which contains a compound having a carbazole skeleton of a specific structure and which makes it possible to achieve a light emitting device having both high luminance efficiency and durability; and a light emitting device using the light emitting device material.. .
|Carbazole formulations for the treatment of psoriasis and angiogenesis|
The methods and compositions disclosed herein relate to using carbazole, and derivatives thereof to modify a signaling activity such as epidermal growth factor receptor (egfr) signalling, and angiogenesis activity, in a cell.. .
And m, o, p and q are same or different at each occurrence and represent an integer from 0 to 4.. .
|Smart polymeric nanoparticles which overcome multidrug resistance to cancer therapeutics and treatment-related systemic toxicity|
Polymeric nanoparticles with a hydrophobic core that encapsulates curcumin and a hydrophilic shell with one or more chemotherapeutic agents (e.g., doxorubicin) associated with the shell surface are formed from n-isopropylacryl amide (nepaam), acrylic acid (aa), and at least one vinyl monomer selected from the group consisting of vinyl acetate, 4-vinyl benzoic acid, methylmethacrylate, vinylmethacrylate, n-vinylpyrrolidone, n-vinyl piperidone, n-vinyl caprolacum, n-vinyl carbazole, and styrene, where the nipaam, the aa, and the vinyl monomer are present at molar ratios of 50-70:10-30:10-30 for nipaam:aa:vinyl monomer. These nanoparticles effectively overcome multidrug resistance and ameliorate cardiomyopathy in vivo..
|Compounds having bipyridyl group and carbazole ring, and organic electroluminescent element|
The present invention relates to a compound having a bipyridyl group and a carbazole ring, which is represented by the following general formula (1); and an organic electroluminescent element containing a pair of electrodes and at least one organic layer interposed therebetween, in which the compound is used as a constituent material of the at least one organic layer:. .
|Carbazole derivative, light-emitting element material, light-emitting element, light-emitting device, electronic device, and lighting device|
A carbazole derivative represented by the general formula (1) is provided. In the formula, ar1 represents a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring; α and β independently represent a substituted or unsubstituted arylene group having 6 to 12 carbon atoms which form a ring; r1 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring; and r11 to r17 and r21 to r28 independently represent hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms which form a ring..
|Heteroleptic iridium complexes containing carbazole-imidazole-carbene ligands and application of the same in light-emitting devices|
Wherein y1—y2 is a different bidentate ligand other than x1—x2.. .
|Carbazole-containing sulfonamides as cryptochrome modulators|
The subject matter herein is directed to carbazole-containing sulfonamide derivatives and pharmaceutically acceptable salts or hydrates thereof of structural formula i wherein the variable r1, r2, r3, r4, r5, r6, r7, a, b, c, d, e, f, g, h, a, and b are accordingly described. Also provided are pharmaceutical compositions comprising the compounds of formula i to treat a cry-mediated disease or disorder, such as diabetes, obesity, metabolic syndrome, cushing's syndrome, and glaucoma..
|Copolymers for luminescence enhancement in reflective display applications|
Copolymers for luminescent enhancement in reflective display applications comprise a functionalized fluorene moiety, including a functional group selected from water-soluble functional groups and/or alcohol-soluble functional groups, and a heterocyclic ring moiety selected from the group consisting of substituted carbazole derivatives, substituted benzothiadiazole derivatives, and substituted phenothiazine derivatives, wherein the respective substituted derivatives include a functional group selected from water-soluble functional groups and/or alcohol-soluble functional groups. Composite materials comprising the copolymers and photoluminescent dyes are also provided, as is a luminescence-based sub-pixel (100)..
|Materials for organic electroluminescence devices|
The present invention relates to copolymers containing indenocarbazole derivatives having electron- and hole-transporting properties, in particular for use in the interlayer, emission layer and/or charge-transport layer of electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds..
|Organic electroluminescent element|
Disclosed is an organic electroluminescent element that has the characteristic of excellent blue chromaticity, achieves a higher level of both external quantum efficiency and driving durability compared to conventional organic electroluminescent elements, and has a low change in chromaticity before and after driving the element. The organic electroluminescent element has a pair of electrodes and a light-emitting layer between said electrodes on a substrate, and the aforementioned light-emitting layer contains: a carbazole compound having a particular structure; and an iridium complex having a particular structure as a blue phosphorescent light-emitting material..
|Composition for forming a resist underlayer film including hydroxyl group-containing carbazole novolac resin|
A method for producing a semiconductor device, including the steps of: forming an underlayer film using the composition for forming a resist underlayer film on a semiconductor substrate; forming a hard mask on the underlayer film; further forming a resist film on the hard mask; forming a patterned resist film and developing; etching the hard mask according to the patterned resist film; etching the underlayer film according to the patterned hard mask; and processing the semiconductor substrate according to the patterned underlayer film.. .
|Carbazole and carboline derivatives, and preparation and therapeutic applications thereof|
Compounds of general formula (i), wherein a, y, r1 and r2 are defined herein are useful in the treatment or prevention of proliferative diseases including cancer or infectious or parasitic diseases.. .
|Method for producing indole derivative|
The present invention provides a method for in vitro producing an indole derivative in a one-pot reaction. The method for producing a rhamnosylated indolocarbazole compound includes the steps of transforming a plasmid carrying a gene encoding n-glycosyltransferase into a bacterial strain; expressing the gene encoding n-glycosyltransferase in the bacterial strain; lysing the bacterial strain to obtain a crude enzyme extract; and adding tdp-glucose, an indolocarbazole aglycone and a metal ion in the crude enzyme extract for performing an enzymatic reaction to form the rhamnosylated indolocarbazole compound.
|Material for organic electroluminescent elements, and organic electroluminescent element using same|
A material for organic electroluminescence device having a specific structure, in which an aromatic ring of a dibenzofuran skeleton, a carbazole skeleton, or a dibenzothiophene skeleton has a nitrogen atom as a heteroatom, and an organic electroluminescence device including an organic thin film layer which includes one or more layers between a cathode and an anode. The organic thin film layer includes a light emitting layer which includes a phosphorescent emitting material.
|Electroactive compositions for electronic applications|
In formula i: ar1, ar2, and ar3 are the same or different and are h, d, or aryl groups. At least two of ar1, ar2, and ar3 are aryl and none of ar1, ar2, and ar3 includes an indolocarbazole moiety..
|Methods of use of diazacarbazoles for treating cancer|
Wherein x, y, x, r3, r5 and r6 are as defined herein.. .
|Organic electroluminescent element|
Provided is an organic electroluminescent device (organic el device) which exhibits improved luminous efficiency, ensures sufficient driving stability, and has a simple configuration. The organic electroluminescent element includes an anode, a plurality of organic layers, and a cathode laminated on a substrate, and contains a carbazole compound represented by the general formula (1) in at least one layer selected from the group consisting of a emitting layer, a hole-transporting layer, and an electron-blocking layer.
|Secondary hole transporting layer with diarylamino-phenyl-carbazole compounds|
Novel diarylamino phenyl carbazole compounds are provided. By appropriately selecting the nature of the diarylamino substituent and the substitution on the carbazole nitrogen, compounds with appropriate homo and lumo energies can be obtained for use as materials in a secondary hole transport layer..
|Secondary hole transporting layer with tricarbazole compounds|
Novel tricarbazole compounds are provided. By appropriately selecting the nature of the tricarbazole substituents, compounds with appropriate homo and lumo energies can be obtained for use as materials in a secondary hole transport layer..
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Carbazole topics: Organic Electroluminescence, Transport Layer, Semiconductor Device, Semiconductor, Novolac Resin, Semiconductor Substrate, Hydrocarbon, Alkyl Group, Transferase, Tryptophan, Parasitic Disease, Proliferative, Infectious, Parasitic Diseases, Heavy Metal
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