Abstract: A preparation method of a rhodium octanoate dimer includes the following steps: (1) mixing RhCl3 with an alkali metal octanoate uniformly to get a first solution; (2) adding a reductant into the first solution obtained from step (1), and heating for reflux reaction to get a second solution; (3) adding the second solution obtained from step (2) into deionized water while hot, continuing to stir, and performing a suction filtration to get a crude product; and (4) performing a primary washing, a secondary washing, a filtration, and a drying on the crude product obtained from step (3) to get a rhodium octanoate dimer as a green solid.

Abstract: A 1,4-divinylphenylene-bridged diruthenium complex bearing two Ru(CO)(2-mercaptoquinolato)(PiPr3)2 moieties, its synthesis, and its use as an catalyst in organic processes.

Abstract: A method for preparing 3,3?-diaminobenzidine, the method comprising the following steps: subjecting 4,4?-biphenol and N,N-dimethylsulfamoyl chloride to an esterification reaction in a specified solvent at 40-70° C. to obtain 4,4?-biphenyl bis(N,N-dimethylaminosulfonate) as a first intermediate; subjecting the 4,4?-biphenyl bis(N,N-dimethylaminosulfonate) to a chlorination reaction with a chlorinating reagent under acidic conditions to obtain 3,3?-dichloro-4,4?-biphenyl bis(N,N-dimethylaminosulfonate) as a second intermediate; subjecting the second intermediate 3,3?-dichloro-4,4?-biphenyl bis(N,N-dimethylaminosulfonate) to an ammonolysis reaction with anammoniation reagent in the presence of a combined catalyst to obtain a crude product of 3,3?,4,4?-tetraaminobiphenyl, wherein the combined catalyst is a mixture of proline, a cuprous salt and a phase transfer catalyst; and subjecting the crude product of 3,3?,4,4?-tetraaminobiphenyl to a post-treatment to obtain a purified 3,3?,4,4?-tetraaminobiphenyl product.

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and containing an aromatic compound, wherein the aromatic compound includes a benzene ring, two unsubstituted carbazole groups directly bonded to the benzene ring, two substituted carbazole groups directly bonded to the benzene ring and each substituted with a nitrogen-containing ring group, and a substituent directly bonded to the benzene ring and selected from a cyano group, a fluorine, or a C1-C10 alkyl group substituted with a fluorine. The organic electroluminescence device may obtain good luminous efficiency and long life (long lifespan) characteristics while emitting blue light.

Abstract: The present invention relates to a compound of general formula (I) (wherein R1, R2, and R3 are each independently a hydrogen atom or a lower alkyl and X is an alkali metal cation, ammonium cation, or quaternary ammonium cation). This compound is highly soluble in water, and solutions thereof need not be neutralized when administered to the living body. The compound is useful as a medicine, etc.

Abstract: A reversible photo-switchable isomerization of novel sterically hindered 2,2?,6,6?-tetramethyl-4,4?-diethynylazobenzene and its synthesis.

Abstract: The present invention relates to a novel zinc complex compound having zinc as a center metal and comprising citric acid and arginine as a ligand.

Abstract: According to the embodiment of the present disclosure, an organo tin compound is represented by the following Chemical Formula 1: In Chemical Formula 1, L1 and L2 are each independently selected from an alkoxy group having 1 to 10 carbon atoms and an alkylamino group having 1 to 10 carbon atoms, R1 is a substituted or unsubstituted aryl group having 6 to 8 carbon atoms, and R2 is selected from a substituted or unsubstituted linear alkyl group having 1 to 4 carbon atoms, a branched alkyl group having 3 to 4 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an allyl group having 2 to 4 carbon atoms.

Abstract: A compound of Formula I wherein X1 to X8 are independently selected from C or N, and Y is selected from the group consisting of NR2, O, S, Se, CR3R4, SiR3R4, and GeR3R4. RA and RB represent mono to the maximum allowable substitution, or no substitution. The compounds of Formula I will also have at least one of RA, RB, R1, R2, R3, or R4 that comprises a structure selected from the group consisting of formula A, formula B, and formula C as described herein. In n the structures of formula A, formula B, or formula C, Z is selected from the group consisting of NR5, O, S, Se, CR6R7, SiR6R7, and GeR6R7; wherein R5 is a substituent selected from the group consisting of deuterium, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; or optionally, R5 is an aromatic linker that connects the structure of formula A to Formula I, or the structure of formula C to Formula I.

Abstract: The present disclosure provides siloxane derivatives of amino acids that have surface-active properties. The amino acid can be naturally-occurring or synthetic, or they may be obtained via a ring-opening reaction of a lactam, such as caprolactam. The amino acid may be functionalized with a siloxane group to form a compound that is surface-active and has surfactant characteristics. The compounds have low critical micelle concentrations (CMC) as well as the ability to lower the surface tension of a liquid.

Abstract: The invention relates to an organic molecule, comprising or consisting of Formula A: wherein MTADF represents a TADF moiety, MNRCT represents a near-range charge transfer (NRCT) emitter moiety, and L represents a divalent bridging unit that links MTADF and MNRCT and is linked to MTADF and to MNRCT via a single bond each. Furthermore, the present invention relates to the use of such organic molecule as a luminescent emitter in an optoelectronic device.

Abstract: There is disclosed squaraine compounds of formula I: wherein each of Y1 and Y2 is independently chosen from an optionally substituted amino group and an optionally substituted aryl group. Also described are organic optoelectronic devices comprising a Donor-Acceptor heterojunction that is formed from one or more of the squaraine compounds. A method of making the disclosed device, which may include one or more sublimation step for depositing said squaraine compound, is also disclosed.

Abstract: Provided herein are luminescent compounds, compositions including the same, and use and synthesis thereof.

Abstract: Disclosed are an aromatic amine derivative and an organic electroluminescent device including the same. A fluorenyl/silafluorenyl group having an ortho-substituted group is introduced into the structure of the aromatic amine derivative. The aromatic amine derivative may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These novel compounds can provide better device performance.

Abstract: According to an embodiment of the present disclosure, a niobium precursor compound is represented by Chemical Formula 1 or Chemical Formula 2 below: Therefore, the niobium precursor compound according to an embodiment of the present disclosure has excellent thermal stability, exists in a liquid state at room temperature, and has high volatility, thereby having an advantage which is advantageous for application to a thin film forming process. Further, the niobium thin film formed using the niobium precursor compound according to an embodiment of the present disclosure has a small residual content and has uniform physical properties.

Abstract: A novel compound is provided. The novel compound is represented by General Formula (G1). In General Formula (G1), A represents a substituted or unsubstituted condensed aromatic ring having 10 to 30 carbon atoms or a substituted or unsubstituted condensed heteroaromatic ring having 10 to 30 carbon atoms, and R1 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Each of Y1 and Y2 independently represents a cycloalkyl group having a bridge structure and having 7 to 10 carbon atoms.

Abstract: The invention pertains to a multi-step process for making polyfunctional aromatic compounds comprising two phenyl rings bearing reactive groups susceptible of polycondensation reaction to provide polycondensed polymers, said method using economic raw materials, and possessing high selectivity and overall yield.

Abstract: To provide an organic EL device having low driving voltage, high luminous efficiency, and particularly a long lifetime by combining various materials for an organic EL device having excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic EL device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics. In the organic EL device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode, in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and a radialene derivative of the following general formula (2).

Abstract: A method of producing a mono alkyl tin halide from a poly alkyl tin halide, comprising providing the poly alkyl tin halide, adding a Lewis acid catalyst to the poly alkyl tin halide to create a reaction mixture, heating the reaction mixture, dosing a hydrogen halide into the reaction mixture to convert the poly alkyl tin halide into a raw product containing mono alkyl tin halide.

Abstract: An organometallic compound represented by Formula 1: M1(Ln1)n1(Ln2)n2??Formula 1 wherein M1 is a transition metal, Ln1 is a ligand represented by Formula 1-1, Ln2 is a bidentate ligand, n1 is 1, 2, or 3, and n2 is 0, 1, or 2, wherein X1, X2, X11 to X14, Y1, R10, R20, ring CY2, b10, and b20 are as defined herein, and wherein * and *? each indicate a binding site to M1.