379 results about "Chrysene" patented technology

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1).

In the formula, Ar₁, Ar₂, Ar₃, B₁, B₂, B₃ and B₄ each represent a substituted or unsubstituted benzene ring or a substituted or unsubstituted condensed aromatic hydrocarbon ring selected from a naphthalene ring, a chrysene ring, a fluoranthene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a triphenylene ring, a benzo[a]triphenylene ring, a benzochrysene ring, a benzo[b]fluoranthene ring and a picene ring. p is 0 or 1.

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1).

Ra-Ar¹-Rb  (1)

In the formula, Ar¹, Ra and Rb each represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon ring selected from a substituted or unsubstituted naphthalene ring, a substituted or unsubstituted chrysene ring, a substituted or unsubstituted fluoranthene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted triphenylene ring, a substituted or unsubstituted benzo[a]triphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted benzo[b]fluoranthene ring and a substituted or unsubstituted picene ring. Substituents for Ra and Rb are not aryl groups.

Materials for organic electroluminescence devices are represented by following general formula [1]:

general formula [1]

• • wherein A represents a chrysene group X¹ to X⁴ each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X¹ and X² may be bonded to each other, X³ and X⁴ may be bonded to each other, Y¹ to Y⁴ each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, a+b+c+d≧0; general formula [2] being:

general formula [2]

wherein R¹ to R⁴ each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R¹ and R² or R³ and R⁴, Z represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms and n represents 0 or 1.

The invention relates to a sorbent for reducing sulfer content in hydrocarbon oil, which comprises 1 to 30 weight percent of rare earth faujasite, 5 to 40 weight percent of active metal oxide and 30 to 94 weight percent of carrier, wherein the carrier comprises alumina and zinc oxide. The mixture of the rare earth faujasite and the carrier is preformed into porous heat-resistant solid particles which are introduced with the metal active ingredient to prepare the sorbent; sulfer-containing light hydrocarbon oil raw material and hydrogen donors enter a reactor filled with the sorbent for separating reaction; materials and products after the separating reaction are sent to a subsequent separation system for product separation; sorbent to be regenerated after the reaction is burnt to be regenerated after steam stripping; and the regenerated sorbent is reduced by the hydrogen donors and returned to the reactor for recycling. The sorbent realizes deep removal of sulfer in the light hydrocarbon oil; meanwhile, the product gasoline has high octane number, low benzene content and high strength.

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer contains: at least one phosphorescent material; and a host material represented by the following formula (1).

Ra—Ar¹—Ar²—Rb   (1)

In the formula, Ar¹, Ar², Ra and Rb each represent a substituted or unsubstituted benzene ring or a substituted or unsubstituted condensed aromatic hydrocarbon group selected from a group consisting of a naphthalene ring, a chrysene ring, a fluoranthene ring, a triphenylene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring, a picene ring and a benzo[b]fluoranthene ring.

Provided is a benzofluorene compound which exhibits excellent performances when applied to an organic electroluminescent device.

In the benzofluorene compound, a central five-membered ring in a benzofluorene skeleton is substituted with aryl, and a benzene ring condensed to the five-membered ring is substituted with aryl, diarylamino and the like.

In one embodiment of the present invention, a novel fused polycyclic aromatic compound of the present invention is (a) a compound including a benzodichalcogenophenobenzodichalcogenophene (BXBX) skeleton further having an aromatic ring(s) located outside the BXBX skeleton, or (b) a compound including a BXBX skeleton in which a benzene ring is substituted with a heterocyclic ring. The compound can strengthen intermolecular interaction due to greater π electron orbits. This improves an electron field effect mobility of an organic semiconductor device that is manufactured by use of the compound as an organic semiconductor material. Further, since the number of fused rings included in the compound is small, the compound does not cause problems that generally occur in compounds having an extremely large number of fused rings, i.e., poor solubility in solvent and poor atmospheric stability due to high affinity to oxygen. As a result, the fused polycyclic aromatic compound of the present invention can be preferably used as an organic semiconductor material.

The invention relates to a 1,2-benzo[a]anthracene derivative and an organic electroluminescent device containing the compound. The general structural formula of the compound is shown in a structural general formula (1), wherein A1 and A2 are independently selected from aromatic groups with 6 to 25 nuclear carbon atoms respectively, or selected from substituent groups represented by the general formulae (1) to (4). The material of the invention can be preferably used as a luminous body, and simultaneously can be used as a transmission material. The electroluminescent device manufactured by the material of the invention has the high performances of low drive voltage, high luminescent efficiency and the like.

Compounds of the formula: (I) or solvate thereof, wherein: R<2> is an optionally substituted C5-20 aryl group; R<6> and R<9> are independently selected from H, R, OH, OR, SH, SR, NH2, NHR, NRR', nitro, Me3Sn and halo; where R and R' are independently selected from optionally substituted C1-12 alkyl, C3-20 heterocyclyl and C5-20 aryl groups; R<7> is selected from H, R, OH, OR, SH, SR, NH2, NHR, NHRR', nitro, Me3Sn and halo; R'' is a C3-12 alkylene group, which chain may be interrupted by one or more heteroatoms and/or aromatic rings; X is selected from O, S, or NH; z is 2 or 3; M is a monovalent pharmaceutically acceptable cation; R<2>', R<6>', R<7>', R<9>', X' and M' are selected from the same groups as R<2>, R<6>, R<7>, R<9>, X and M respectively, or M and M' may together represent a divalent pharmaceutically acceptable cation.

Compositions and methods for production of color images having increased light stability and reduced browning are described. The color forming composition can include a leuco dye, an infrared absorber, and at least one of a stabilizer and an anti-fade agent. The color forming compositions can be stabilized such that less than about a 30% decrease in optical density occurs over a three year period. The stabilizers can include chroman, thiolane-nickel complexes, spiroindanes, while suitable anti-fade agents can include vitamin E, vitamin E analogs, astaxanthin, chroman, ascorbic acid, carotene, and mixtures thereof. The color forming compositions are ambient light stable and are useful in forming images on a wide variety of substrates such as optical disks.

The invention relates to a kind of 2,6,6,8-tetra-substituted-6H-benzo[cd]pyrene compounds shown by formula (1) in the specification, wherein R1 and R2 are selected from C6-C50 aryl, substituted C6-C50 aryl or C1-C20 alkyl; or R1 and R2 are bonded through other groups to form a cyclic compound, Ar1 and Ar2 are separately selected from C5-C30 electron-deficient nitrogen-containing heterocyclic aromatic hydrocarbon, substituted nitrogen heterocyclic aromatic hydrocarbon or thick nitrogen-containing heterocyclic aromatic hydrocarbon or C6-C30 aromatic hydrocarbon or polycyclic aromatic hydrocarbon with the nitrogen-containing heterocyclic aromatic hydrocarbon substituent. The invention also provides an application of the compounds in an organic light emitting device (OLED) and particularly application of the compounds as an electron transport material and a fluorescent or red phosphorescence host material in the OLED device.

The invention discloses a novel indene benzophenanthrene derivative and an organic light-emitting device using same. The organic light-emitting device using the novel indene benzophenanthrene derivative as a host material can lower the driving voltage, prolong the half-life period, and improve the efficiency. The novel indene benzophenanthrene derivative is shown in the formula (A) in the specification: in formula (A), A1 and A2 are substituted or unsubstituted combined hydrocarbon ring units with 1-5 rings; preferably, A1 and A2 are phenyl, naphthyl, anthryl, pyrenyl, chrysene and perylene; R1-R4 are the same or different and are independently selected from hydrogen atom, halogen, alkyl group with 1-20 carbon atoms, substituted or unsubstituted aryl group with 6-30 carbon atoms, substituted or unsubstituted aralkyl with 6-30 carbon atoms, and substituted or unsubstituted ceteroary with 6-30 carbon atoms; and X can be carbon atom or nitrogen atom.

The invention relates to a preparation method for DAEs, comprising the following steps that: raw oil and a diluting solvent are mixed, the mixed solution enters into an extraction tower and contacts with an extraction solvent in the extraction tower, and raffinate oil is separated from raffinate, wherein the raw oil is extract oil obtained by solvent refining and/or de-waxing oil of the extract oil, the diluting solvent contains a main solvent, the extraction solvent contains the main solvent and an anti-solvent, and the main solvent has greater dissolvability of aromatic hydrocarbons than of alkane. According to the invention, the preparation method has high extraction efficiency; the extraction solvent used has good selectivity; DAE prepared by the method has high yield; the content of benzo(a)pyrene and the total content of 8 PAHs, namely, benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(j)fluoranthene, benzo(a)pyrene, benzo(e)pyrene and dibenzo(a,h)anthracene, are low, which is in accordance with the European Union 2005/69/EC instruction; the content of polycyclicaromatics is less than 3%.

A novel compound which is useful as a constitutional component for an organic EL device is provided by an aminodibenzofluorene derivative comprising (A) at least one dibenzofluorene structure and (B) at least one amino group in a molecule, a material for an organic electroluminescence (EL) device comprising the same, a light emitting material for an organic EL device, a light emitting organic solution, an organic EL device in which an organic compound layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a pair of electrodes, wherein at leas one layer in the organic compound layer described above contains at least one kind of the aminodibenzofluorene derivative described above and an equipment comprising the same. A practical organic EL device which has a low operating voltage, a long lifetime and a high current efficiency and which provides blue light emission having an excellent color purity is materialized by using the above compound.

The invention provides novel compounds, of which the structures are represented as Formula (I), Formula (II), Formula (III) and Formula (IV), wherein Ar1-Ar6 are selected from C1-C20 aliphatic alkyl groups, C4-C30 aromatic rings, C4-C30 aromatic heterocyclic rings, C4-C30 condensed heterocyclic ring aromatics, C4-C30 arylamino or triarylamino groups or C4-C30 aryloxy groups. The compounds are used as a hole injection material, hole transmission material or fluorescence body material in organic electroluminescent devices.

Several mid UV photo acid generators (PAGs), a chemically amplified photo resist (CAMP), and method for improving nested to isolated line bias are provided. Similarly, photo speed may also be improved. Unlike conventional mid UV PAGs, the present invention's PAG compounds, resist composition, and method do not require a mid UV sensitizer. Specifically, PAGs are provided that bear a chromophore capable of receiving mid UV radiation, particularly I-line, and that are suitable for use in a chemically amplified photo resist having a photo speed of 500 mJ/cm2 or less, but preferrably 200 mJ/cm2 or less. For example, the PAGs can be a sulfonium or iodonium salt, such as anthryl, butyl, methyl sulfonium triflate and bis(4-t-butylphenyl)iodonium 9,10-dimethoxyanthracene sulfonate. The chromophore forming a part of the PAGs can be selected from polyaromatic hydrocarbons, for example, chrysenes, pyrenes, fluoranthenes, anthrones, benzophenones, thioxanthones, anthracenes, and phenanthrenes, but preferably anthracenes.

The invention discloses application of benzo-azacrown ether compounds to separation of lithium isotopes. The benzo-azacrown ether compounds are selected from monoaza15-crown-5, bisaza15-crown-5, triaza15-crown-5 and bisaza18-crown-6. The benzo-azacrown ether compounds serving as extracting agents are dissolved in organic solvents to prepare organic phases, a lithium trifluoroacetate aqueous solution serves as an aqueous phase, and the lithium isotopes are separated at the room temperature by liquid-liquid extraction. The benzo-azacrown ether compounds are easy to dissolve in the organic solvents, efficient separation of the lithium isotopes can be realized by means of liquid-liquid extraction, and considerable separation factors, simplicity and convenience in operation, quickness in isotope exchange and technical simplicity are realized.

A mesoporous polymer and method of preparing a mesoporous polymer whose polymerization kinetics are dependent upon pH and whose pore size is controlled by pH and solvent concentration are disclosed. The polymer is optionally pyrolyzed to form a primarily carbonaceous solid. The material has an average pore size in the mesopore range and is suitable for use in liquid-phase surface limited applications including chromatographic, sorbent, catalytic, and electrical applications.

Compounds represented by the following structural formula (I), and pharmaceutically acceptable salts, solvates and hydrates thereof, wherein: n is 2, 3, or 4 and W is CH₂, CH(OH), C(O) or O; R1 is an unsubstituted or substituted aryl, heteroaryl, cycloalkyl, heterocycloalkyl, aryl-alkyl, heteroaryl-alkyl, cycloalkyl-alkyl, or t-butyl; R2 is H, alkyl, haloalkyl or phenyl; Y is an unsubstituted or substituted thiophen-2,5-diyl or phenylene; R3 is alkyl or haloalkyl; R4 is a substituted or unsubstituted phenyl, naphthyl, 1,2,3,4-tetrahydronaphthyl, quinolyl, pyridyl or benzo[1,3]dioxol-5-yl group; and R5 is H, alkyl, or aminoalkyl; are useful for modulating a peroxisome proliferator activated receptor, particularly in the treatment of diabetes mellitus.