Abstract:
An organic electroluminescent element including a substrate, a pair of electrodes comprising an anode and a cathode, and organic layers including a light emitting layer, wherein the organic layer contains a compound represented by the formula (1), has sufficient luminous efficiency and excellent chromaticity (R1 to R8 represent hydrogen or a substituent, at least one R1 to R4 and at least one of R5 to R8 is a substituent represented by the formula (2); R9 to R12 each represent an aryl group, or an alkyl group having 1 to 5 carbon atoms, R9 and R10, and R11 and R12 are each an alkyl group, or a substituent having an alkyl chain, the total number of the carbon atoms of an alkyl group represented by the groups is 2 to 8; in a case where Z1 to Z4 are bonded to each other to form a ring, they each represent an alkyl group, an aryl group, a heteroaryl group, a silyl group, -0-, or -NY- (provided that Y is an alkyl group or an aryl group), and in a case where they do not form a ring, they represent hydrogen, an alkyl group, an aryl group, a heteroaryl group, fluorine, a silyl group, or a cyano group; Ar1 and Ar2 each represent a (hetero)aryl group; L1 represents a (hetexo) arylene group; and n represents 0 or 1).
Abstract:
The present invention is directed to HIF inhibitors and methods of preventing cell proliferation, reducing inflammation, and treating an angiogenic disease or disorders.
Abstract:
The invention provides compositions and methods that modulate the activity of AKT family kinase proteins, including AKTl, AKT2 and AKT3 (also referred to as PKBa, PKBß and PKB?). Specifically, the invention provides a number of phenoxazine and acridone compounds that inhibit AKT phosphorylation and kinase activity. The invention provides compositions for and methods of modulating AKT activity, inhibiting cell growth, treating cancer, treating transplant rejection, and treating coronary artery disease based upon the phenoxazine and acridone compounds of the invention.
Abstract:
Die Erfindung betrifft neuartige rein organische Emittermoleküle gemäß den Formeln Ia und Ib sowie deren Verwendung in opto-elektronischen Bauelementen, insbesondere in organischen lichtemittierenden Dioden (OLEDs). Formel Ia Formel Ib mit Donator D: eine aromatische oder heteroaromatische chemische Gruppe, auf welcher das HOMO lokalisiert ist; Akzeptor A: eine aromatische oder heteroaromatische chemische Gruppe, auf welcher das LUMO lokalisiert ist; Z1, Z2: Substituenten zur geometrischen Fixierung des Donators D relativ zum Akzeptor A; wobei - Donator D und Akzeptor A über eine Einfachbindung miteinander verbunden sind, und - der Substituent Z1, Z2 ausgewählt ist aus der Gruppe bestehend aus Alkyl -C n H 2n+1 mit 1 ≤ n ≤ 8, Cycloalkyl -C n H2 n-1 mit 3 ≤ n ≤ 6, substituiertes Alkyl, substituiertes Cycloalkyl, Alkoxyl -OC n H 2n+1 mit 1 ≤ n ≤ 8, Thioalkoxyl -SC n H2 n+1 mit 1 ≤ n ≤ 8 und alkyliertes Amin -N(C n H2 n+1 )(C n' H2 n'+1 ) mit n und n' = 1 bis 8 oder -N(C n" H 2n''-1 )(C n''' H 2n'''-1 )mit n" und n'" = 3, 4, 5 oder 6.
Abstract:
This invention relates to a compound for an organic electroluminescent device and to an organic electroluminescent device including the same. According to the present invention, the organic electroluminescent device including the compound may have improved thermal stability and light emission efficiency. When the compound is used as a hole transport layer material, a triplet energy of a phosphorescent light emitting material increase, thus improving efficiency of the organic electroluminescent device.
Abstract:
Disclosed is a compound of Formula 1, and an organic light emitting device comprising the compound of Formula 1 or the compound of Formula 1 into which a thermosetting or photo- crosslinkable functional group is introduced.
Abstract:
A blue electroluminescent material based on a binaphtyl compound of the general formula (I). Particular embodiments having the general formula have good solubilities in common organic solvents, resist crystallization and can be sublimed in a device fabrication process. These properties enable the fabrication of organic electroluminescent devices.