Abstract: A bis(aminostyryl)anthracene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)anthracene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)anthracene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)anthracene compound. The bis(aminostyryl)anthracene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)anthracene compound.

Abstract: A novel bathophenanthroline compound of the general formula [I] or [II] is provided wherein R1 and R2 may be the same or different and independently represent a linear, branched or cyclic, saturated or unsaturated hydrocarbon group, or a substituted or unsubstituted, saturated or unsaturated hydrocarbon group provided that at least one of R1 and R2 has at least two carbon atoms, and wherein Ar1 and Ar2 may be the same or different and independently represent a substituted or unsubstituted aryl group. A process for preparing the compound is also provided wherein bathophenanthroline and an organolithium compound are subjected to nucleophilic substitution reaction to obtain the compound of the above formula [I] or [II].

Abstract: An anthracene derivative with general formula (1) is provided: wherein X represents a substituted or unsubstituted C6-28 arylene group, or a substituted or unsubstituted C5-21 divalent heterocyclic group; A and B each independently represent a substituted or unsubstituted C1-20 alkyl group, a substituted or unsubstituted C6-28 aryl group, or a substituted or unsubstituted C5-21 heterocyclic group, and A and B may be bonded together to form a ring; Y1 and Y2 each independently represent a hydrogen atom, a substituted or unsubstituted C1-20 alkyl group or a C1-20 alkoxy group; and Z represents a substituted or unsubstituted C6-30 aryl group atoms, a substituted or unsubstituted C5-21 heterocyclic group, a hydrogen atom, a substituted or unsubstituted C1-20 alkyl group, or a C1-20 alkoxy group.

Abstract: A bis(aminostyryl)anthracene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)anthracene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)anthracene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)anthracene compound. The bis(aminostyryl)anthracene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)anthracene compound.

Abstract: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.

Abstract: An organic electroluminescence device having excellent life characteristics and high reliability and a display apparatus using such a device are provided. In the organic electroluminescence device having organic thin film layers provided between a lower electrode and an upper electrode and including at least a luminescent layer, any one of the organic thin film layers (particularly, the luminescent layer) contains a styrylamine derivative represented by the general formula shown below.

Abstract: A bis(aminostyryl)anthracene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)anthracene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)anthracene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)anthracene compound. The bis(aminostyryl)anthracene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)anthracene compound.

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: The organic electroluminescence device emits a stable red light with high luminance. In the organic electroluminescence device, at least a part of an organic layer (5), (5a), or (5b) having a light emitting area includes a mixture containing at least one of the aminostyryl compound represented by the following general formula [I] or [II], Y1—CH?CH—X1—CH?CH—Y2??General formula [I]: Y3—CH?CH—X2??General formula [II]: [wherein in the general formulas, X1, X2 represents an aryl group such as anthracene, Y1, Y2, Y3 represents an aryl amino group and the like.

Abstract: The present invention provides an optical recording medium including a recording layer and an optical reflection layer formed on a substrate. The recording layer contains at least one particular polymethine pigment selected from polymethine pigments having 1 to 4 carbons in the methine main chain, so as to obtain a sufficient recording sensitivity for a red wavelength range of light.

Abstract: A diphosphonic acid ester of formula [VII] or [VII?] and a diphosphonium salt of formula [VIII] or [VIII?] are provided: wherein R75, R76, R75? and R76? may be the same or different and independently represent an alkyl or alkenyl group having from 1 to 4 carbon atoms, a cyclohexyl group or a phenyl group, R77, R78, R79 and R80 may be the same or different provided that at least three thereof are cyano groups and the others independently represent a hydrogen atom, a cyano group, a nitro group or a halogen atom, R77?, R78?, R79? and R80? may be the same or different and independently represent a group selected from a hydrogen atom and a halogen atom provided that at least three thereof are fluorine atoms and X represents a halogen atom. These compounds are useful as synthetic intermediates for the preparation of luminescent bis(aminostyryl)benzene compounds.

Abstract: A novel bathophenanthroline compound of the general formula [I] or [II] is provided wherein R1 and R2 may be the same or different and independently represent a linear, branched or cyclic, saturated or unsaturated hydrocarbon group, or a substituted or unsubstituted, saturated or unsaturated hydrocarbon group provided that at least one of R1 and R2 has at least two carbon atoms, and wherein Ar1 and Ar2 may be the same or different and independently represent a substituted or unsubstituted aryl group. A process for preparing the compound is also provided wherein bathophenanthroline and an organolithium compound are subjected to nucleophilic substitution reaction to obtain the compound of the above formula [I] or [II].

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: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.

Abstract: The present invention provides an organic electroluminescent element which is superior in luminance, reliability, and thermal stability and is capable of selectively emitting light with comparative long wavelengths such as red and good color purity and a light-emitting device or display device incorporated therewith. The organic electroluminescent element consists of a glass substrate (1), an anode (2), a hole transporting layer (10), an emitting layer (11), an electron transporting layer (12), and a cathode (3), which are sequentially laminated on top of the other. The emitting layer (11) is formed from a mixture composed of at least one species of the styryl compound represented by the general formula [I] below and a material with charge transporting capability. Y—CH?CH—X ??General formula [I] (where X denotes an aryl group (such as phenyl group) which has a substituent group (such as cyano group and methyl group), and Y denotes a group having a skeleton of aminophenyl group or the like.

Abstract: A novel bathophenanthroline compound of the general formula [I] or [II] is provided wherein R1 and R2 may be the same or different and independently represent a linear, branched or cyclic, saturated or unsaturated hydrocarbon group, or a substituted or unsubstituted, saturated or unsaturated hydrocarbon group provided that at least one of R1 and R2 has at least two carbon atoms, and wherein Ar1 and Ar2 may be the same or different and independently represent a substituted or unsubstituted aryl group. A process for preparing the compound is also provided wherein bathophenanthroline and an organolithium compound are subjected to nucleophilic substitution reaction to obtain the compound of the above formula [I] or [II].

Abstract: An organic electroluminescent device capable of blue emission with a high color purity, and a display unit capable of full-color display with high color expressivity by using the organic electroluminescent device are provided. The organic electroluminescent device includes at least a hole transportation layer and a luminescent layer held between a lower electrode to become an anode and an upper electrode to become a cathode in a state of lamination in that order from the anode side. The luminescent layer is made of a spiro compound, and the hole transportation layer is made of triphenylamine tetramer. Furthermore, the display unit includes organic electroluminescent devices as blue-emitting elements arrayed for a plurality of pixels.

Abstract: This invention is an aminostyrylanthracene compound represented by, for example, the following general formula [I]. This compound is produced by condensation from a responding aminobenzaldehyde and a phosphonic ester or phosphonium salt. [where, in the general formula [I] above, R2 represents an unsubstituted aryl group, R1 represents a 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: A bis(aminostyryl)naphthalene compound represented by the general formula [I] or the like below. (where R2 and R3 each denotes an unsubstituted aryl group; R1 and R4 each denotes an aryl group having a specific substituent such as methoxy group; and R5 and R6 each denotes a cyano group or the like.) A process for producing a bis(aminostyryl)naphthalene compound represented by the general formula [I] by condensation of, for example, 4-(N,N-diarylamino)benzaldehyde with diphosphonic ester or diphosphonium. The bis(aminostyryl)naphthalene compound emits intense yellow or red light. The process permits efficient production of the bis(aminostyryl)naphthalene compound.

Abstract: A novel bathophenanthroline compound of the general formula [I] or [II] is provided wherein R1 and R2 may be the same or different and independently represent a linear, branched or cyclic, saturated or unsaturated hydrocarbon group, or a substituted or unsubstituted, saturated or unsaturated hydrocarbon group provided that at least one of R1 and R2 has at least two carbon atoms, and wherein Ar1 and Ar2 may be the same or different and independently represent a substituted or unsubstituted aryl group. A process for preparing the compound is also provided wherein bathophenanthroline and an organolithium compound are subjected to nucleophilic substitution reaction to obtain the compound of the above formula [I] or [II].