Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula I.

Abstract: A monomer for a hardmask composition is represented by the following Chemical Formula 1,

Abstract: An amine-based compound is represented by Formula 1: An organic light-emitting diode includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer and the amine-based compound represented by Formula 1. The OLED including the amine-based compound represented by Formula 1 has good color purity, low driving voltage, high efficiency, high brightness, and/or a long lifetime.

Abstract: A condensed compound is represented by Formula 1 below: An organic light-emitting diode includes a substrate, a first electrode on the substrate, a second electrode disposed opposite to the first electrode, and an organic layer interposed between the first electrode and the second electrode. The organic layer includes at least one layer including a compound of Formula 1.

Abstract: A compound for an organic thin film transistor having a structure represented by the following formula (1): wherein R1 and R2, and R3 and R4 are respectively combined with each other to form an aromatic hydrocarbon ring having 6 to 60 carbon atoms or an aromatic heterocyclic ring having 3 to 60 carbon atoms; the ring being fused to the ring to which the groups are bonded, whereby the structure of the formula (1) has 5 or more aromatic rings that are fused; and the fused rings formed by R1 and R2, and R3 and R4 each may have a substituent.

Abstract: A compound for an organic thin film transistor having a structure represented by the following formula (1): wherein R1 and R2, and R3 and R4 are respectively combined with each other to form an aromatic hydrocarbon ring having 6 to 60 carbon atoms or an aromatic heterocyclic ring having 3 to 60 carbon atoms; the ring being fused to the ring to which the groups are bonded, whereby the structure of the formula (1) has 5 or more aromatic rings that are fused; and the fused rings formed by R1 and R2, and R3 and R4 each may have a substituent.

Abstract: The invention relates to bimesogenic compounds of formula I R1-MG1-Sp-MG2-R2??I wherein R1, R2, MG1, MG2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula I.

Abstract: The present invention relates to a compound of the formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).

Abstract: An organic compound represented by Formula 1 below and an organic light-emitting device including the organic compound; Wherein Ar1, Ar2, Ar3, Ar4, a, b, and c are defined as in the specification.

Abstract: Embodiments of the present invention include an amine-based compound represented by Formula 1, an organic light-emitting diode including the amine-based compound, and an organic light-emitting apparatus including the amine-based compound.

Abstract: The present invention relates to compounds of the formula (I) and to the use thereof in electronic devices. The invention furthermore relates to electronic devices, preferably organic electroluminescent devices (OLEDs), comprising one or more com-pounds of the formula (I). The invention again furthermore relates to the preparation of compounds of the formula (I) and to formulations comprising one or more compounds of the formula (I).

Abstract: The present invention relates to bis-amide derivatives of formula (I), to processes and intermediates for preparing them, to methods of using them to control insect, acarine, nematode and mollusc pests, and to insecticidal, acaricidal, nematicidal and molluscicidal compositions comprising them.

Abstract: An organic compound contains indacenodiperylene as the basic skeleton.

Abstract: A compound represented by Formula 1 below and an organic light-emitting device including an organic layer containing the compound of Formula 1: wherein R1 to R4, X and Y, a and b, and m and n are defined as in the specification.

Abstract: The present invention relates to multi-substituted m-diarylanilines or pharmaceutically acceptable salts thereof, wherein X, R1-R7 are as defined in the claims, their preparation process, pharmaceutical compositions comprising them and their use for the manufacture of a medicament for anti-HIV.

Abstract: Methods of treating exposure to Giardia lamblia and/or giardiasis and methods of antagonizing Giardia lamblia attachment to the intestinal wall of a subject are described herein.

Abstract: A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I): wherein X1 and X2, which may be the same or different, are any of specific divalent groups; R1 to R10, which may be the same or different, are a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group; and R3 to R6 or R7 to R10 may be bonded to each other to form a ring.

Abstract: An organic electroluminescence device sequentially includes an anode, an emitting layer, an electron-transporting region, and a cathode, the electron-transporting region including an electron-transporting material that includes a cyano group and an aromatic ring group.

Abstract: A pyrene derivative represented by the following formula (1), wherein Ar1, Ar2 and Ar3 are independently a substituted or unsubstituted aryl group, with specific derivatives being excluded.

Abstract: Aromatic and aromatic/heteroaromatic molecular structures with controllable electron conducting properties are derived from the incorporation of electron active substituents in selective positions.

Abstract: An aromatic amine derivative represented by the following formula (1): wherein at least one of R1 to R8 is a group other than a hydrogen atom, Ar1 to Ar4 are a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.

Abstract: A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I): wherein X1 and X2, which may be the same or different, are any of specific divalent groups; R1 to R10, which may be the same or different, are a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group; and R3 to R6 or R7 to R10 may be bonded to each other to form a ring.

Abstract: A compound for an organic thin film transistor having a structure represented by the following formula (1): wherein R1 and R2, and R3 and R4 are respectively combined with each other to form an aromatic hydrocarbon ring having 6 to 60 carbon atoms or an aromatic heterocyclic ring having 3 to 60 carbon atoms; the ring being fused to the ring to which the groups are bonded, whereby the structure of the formula (1) has 5 or more aromatic rings that are fused; and the fused rings formed by R1 and R2, and R3 and R4 each may have a substituent.

Abstract: The present invention relates to a blue fluorescence compound which enables to achieve high brightness, a long lifetime and high efficiency; and an organic electroluminescence device thereof.

Abstract: Compounds having the formula (I) wherein L is a linking group, at least one of R1 to R10 comprises the group C?N, at least one of R1 to R5 and at least one of R6 to R10 comprise the group NH2 for use as curing agents in an epoxy resin, together with a process for their synthesis and composites comprising the curing agents.

Abstract: The present invention relates to multi-substituted m-diarylanilines or pharmaceutically acceptable salts thereof, wherein X, R1-R7 are as defined in the claims, their preparation process, pharmaceutical compositions comprising them and their use for the manufacture of a medicament for anti-HIV.

Abstract: Sulfonated polymers have excellent processability and methanol resistance.

Abstract: A novel substituted fluorene compound is provided which is represented by the general formula [I]:

Abstract: 2,4?-MDI which contains very little 2,2?-MDI is prepared by distilling an isomeric starting mixture of diisocyanatodiphenylmethanes which includes 2,2?-diisocyanato-diphenylmethane, 2,4?-diisocyanatodiphenylmethane and 4,4?-diisocyanatodiphenyl-methane in at least one stage in a separating wall column. This distillation produces at least one mixture which contains 85 to 99 wt. % of 2,4?-diisocyanatodiphenylmethane, up to 15 wt. % of 4,4?-diisocyanatodiphenyl-methane and no more than 0.2 wt. % of 2,2?-diisocyanatodiphenylmethane.

Abstract: A light emitting device includes an emissive substance between an anode and cathode that emits light upon application of electrical energy. The emissive substance included in the device is at least one of the following types of compounds: (a) a compound having a plurality of 1,7-phenanthroline skeletal structures; (b) a benzoquinoline derivative; (c) a spiro compound; and (d) a tetraphenylmethane derivative.

Abstract: A novel fluorene compound is provided which has at least one fluorene group represented by the following general formula [III] or [IV]:

Abstract: One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The subject methods provide improvements in many features of the transition metal-catalyzed reactions, including the range of suitable substrates, reaction conditions, and efficiency.

Abstract: The present invention relates to 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives and method for preparing the same. The 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives can be prepared by refluxing 1,3,5-tricyanomesitylene with N-formylamine dimethylacetal or substituted benzaldehyde, or by the Wittig reaction of 1,3,5-tricyano-2,4,6-tris[(diethoxyphosphoryl)methyl]benzene with substituted benzaldehyde. The 1,3,5-tricyano-2,4,6-tris(vinyl)benzene derivatives exhibit large first hyperpolarizability in solution and significant second harmonic generation (SHG) in the powder state, and are useful as optical devices such as electro-optic modulators, optical switch, or the like for treating optical signal in optical communication industry.

Abstract: A mixture of isomeric diisocyanatodiphenylmethanes composed of at least 2,2′-diisocyanato-diphenylmethane, 2,4′-diisocyanatodiphenylmethane and 4,4′-diisocyanatodiphenyl-methane is distilled in at least one stage and a divided-wall column is used in at least one distillation stage.

Abstract: This invention is an aminostyrylanthracene compound represented by, for example, the following general formula [I]. This compound is produced by condensation from a corresponding aminobenzaldehyde and a phosphonic ester or phosphonium salt. [where, in the general formula [I] above, R2 represents an unsubstituted aryl group, R1 represents an aryl group which may have a variety of substituents, and R3 to R5 each represent a hydrogen atom, a cyano group, or a hydrocarbon group.

Abstract: Aromatic methylidene compounds of the following general formula wherein R11 and R21 independently in each occurrence represent an unsubstituted or substituted alkyl or alkoxy group, a halogen, a cyano group or a nitro group, n11 and n21 are, respectively, an integer, R31 and R41 independently represent hydrogen, an unsubstituted or substituted alkyl group, an unsubstituted or substituted cycloalkyl group, an unsubstituted or substituted aromatic group, or an unsubstituted or substituted aromatic heterocyclic group and may join to complete a condensed ring, along with other types of aromatic methylidene compounds wherein the moieties attached to the naphthalene ring are attached to different positions of the ring. The preparation of the methylidene compounds is also described along with intermediate compounds and their preparation.

Abstract: The light emitting device of the present invention relates to a light emitting device which is characterized in that it is a device with an emissive substance present between an anode and cathode, and which emits light by means of electrical energy, and said device has a least one type of compound denoted by (a) to (d) below.

Abstract: Novel calcilytic compounds and methods of using them are provided.

Abstract: A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D wherein A′ is selected from the group consisting of —Br, —Cl, —F, —NO2, and —CN; A is selected from the group consisting of —NO2, —CN, —CO2R, —C(O)R, —SO2R, —SO2RF, —C(CN)═C(CN)2 and —CH═C(CN)2; RF is —CpF2p+1, p=from about 0 to about 10; R is an straight, branched or cyclic aliphatic alkyl group having about 1 to 10 carbon atoms, or an aromatic group such as phenyl or naphthyl; and is a carbonyl or a protected carbonyl such as a ketal or thio-ketal such as wherein R′ is —CrH2r+1; R″ is —(CH2)r—; and r is independently 2 or 3, with a nucleophilic reagent in the presence of an aprotic solvent

Abstract: A liquid crystalline sulfur compound exhibiting high anisotropic factor of dipolemoment is provided. A terphenyl skeleton sulfur compound expressed by the general formula (I) is provided. A compound is preferred wherein, in the general formula (I), m is 1, n is 5 to 18, and R3 is an alkyl group wherein the number of carbon atoms is n or fewer than n. A method of synthesisng the terphenyl skeleton sulfur compound wherein, after implementing the synthesizing processes for a methoxy terphenyl derivative, a hydroxy terphenyl derivative, and terphenyl alkyloxy bromide derivative, that bromide derivative and thiourea are caused to react, etc. A self-assembled monolayer made using the terphenyl skeleton sulfur compound noted above is also provided.

Abstract: A polymerizable composition suitable for storage prior to polymerization is made by mixing a phthalonitrile monomer and a curing agent under non-reactive conditions below the melting temperatures of the phthalonitrile monomer and the curing agent and in the absence of a solvent to create a homogeneous, unreacted mixture.

Abstract: Compounds of formula I wherein R1, R2, R3, R4 and R5 are as defined in the description, are useful as pharmaceuticals.

Abstract: A method for preparing aromatic compounds including 1,4-difluoropyromellitic dianhydride represented by formula (12): ##STR1## and 1,4-difluoropyromellitic acid represented by formula (15): ##STR2## by dehydrating or hydrolyzing and dehydrating precursors.

Abstract: Reaction products of polyolefins having predominantly a terminal double bond and a number average molecular weight of from 250 to 10,000, which possess an aliphatic hydrocarbon skeleton which is straight-chain or carries C.sub.1 -C.sub.4 -alkyl side chains, with from 1 to 10 mol, per equivalent of double bond, of one or more vinyl esters I ##STR1## are obtainable by reacting the stated polyolefins with the vinyl esters I in the presence of a free radical initiator at from 80 to 200.degree. C., it being possible for these reaction products subsequently to have been hydrolyzed to the corresponding alcohols or converted into the corresponding amines by reductive amination with amines II ##STR2## .

Abstract: A perfluorinated polyimide comprising a repeating unit represented by general formula (1): ##STR1## and a perfluorinated poly(amic acid) comprising a repeating unit represented by general formula (6): ##STR2## wherein R.sub.1 is a tetravalent organic group; and R.sub.2 is a divalent organic group, provided that chemical bonds between carbon atoms and monovalent elements contained in R.sub.1 and R.sub.2 are exclusively carbon-to-fluorine bonds; methods for preparing them; and optical material including the perfluorinated polyimide. 1,4-Bis(3,4-dicarboxytrifluorophenoxy)-tetrafluorobenzene dianhydride, 1,4-difluoropyromellitic anhydride, 1,4-bis(3,4-dicarboxytrifluorophenoxy)-tetrafluorobenzene, 1,4-difluoropyromellitic acid, and 1,4-bis(3,4-dicyanotrifluorophenoxy)-tetrafluorobenzene as well as methods preparing them. The perfluorinated polyimide has a thermal stability and has a low optical loss in an optical communication wavelength region (0.8 to 1.7 .mu.m).

Abstract: The present invention provides an industrially advantageous process for the preparation of an optically active 2-halo-1-(substituted phenyl)ethanol useful as medicines, agricultural chemicals or as intermediates thereof; and a simple process for the preparation of an optically active substituted styrene oxide or 2-amino-1-(substituted phenyl)ethanol useful as medicines, agricultural chemicals or intermediates thereof. A 2-halo-1-(substituted phenyl)ethanol represented by the following general formula (I) is allowed to contact, in the presence of a carboxylic anhydride, with an enzyme stereoselectively catalyzing ester interchange to produce an optically active 2-halo-1-(substituted phenyl)ethanol: ##STR1## (wherein X represents a chlorine atom or a bromine atom, and R.sup.1, R.sup.2 and R.sup.3 may be the same or different and each represent a hydrogen atom, a halogen atom, a C.sub.1-5 alkyl group, a C.sub.1-5 haloalkyl group, a C.sub.

Abstract: A nuclear halogenated aromatic compound possessing cyano groups is produced by a method using as a raw material an aromatic compound which possesses cyano groups and assumes a solid state at room temperature and subjecting the raw material to a procedure comprising a step of melting and transporting the compound by a means transport-melting, a step of vaporizing the compound, a step of mixing the compound with a halogen gas, and a step of causing the vapor of the compound to react with the halogen gas in vapor phase in the presence of a catalyst sequentially in the order mentioned, which comprises maintaining a content of a self-condensate of the aromatic compound possessing cyano groups which arise during the melting of the aromatic compound possessing cyano groups in a gas of the compound which reacts with the halogen gas to a level of not more than 2.5 mol % based on the compound.

Abstract: New aromatic dicarboxylic acids, 1,4- or 2,6-Bis(p-carboxyphenoxy)naphthyl is prepared by the reaction of p-fluorobenzonitrile with 1,4-naphthalenediol, followed by hydrolysis. Wholly aromatic polyamides having superior solubility in a variety of organic solvents and have good thermal stability can be obtained by reacting the new aromatic dicarboxylic acids with aromatic diamines. Transparent, tough and flexible films of these polyamides can be cast from the solutions thereof and these polyamides are easily processable high-performance polymer materials.

Abstract: A hole-transport material having excellent hole-transport capability and durability, suitable for use in an organic EL device and as an organic photoconductive material, has the formula (1).

Abstract: When a novel bisamidoxime compound represented by the following general formula: ##STR1## where R is an alkylidene group having 1 to 6 carbon atoms, or a perfluoroalkylidene group having 1 to 10 carbon atoms, is used as a vulcanizing agent for fluorine-containing elastomers having cyano groups as cross-linkable groups, the resulting vulcanizates having a satisfactory compression set are obtained without any problem of processability such as roll kneadability, etc.