摘要:
The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) as dopants in the emitting layer.
摘要:
The present invention relates generally to compounds providing antibacterial therapeutic agents and preparations, and related methods of using and making antibacterial compounds. Antibacterial compounds of the present invention include chalcone, alkylpyrimidine, aminopyrimidine and cyanopyridine compounds and derivatives thereof exhibiting minimum inhibitory concentrations (MIC) similar to or less than conventional antibacterial compounds in wide use. For example, the present invention provides chalcone and cyanopyridine compounds, and derivatives thereof, exhibiting high antibacterial activities having multiple electron withdrawing group substituents, such as halogens and fluorinated alkyl groups, and optionally having hydroxyl and/or alkoxyl groups substituents.
摘要:
Disclosed is a method for preparing a compound of Formula 1 wherein Q and Z are as defined in the disclosure comprising distilling water from a mixture comprising a compound of Formula 2, a compound of Formula 3, a base comprising at least one compound selected from the group consisting of alkaline earth metal hydroxides of Formula 4 wherein M is Ca, Sr or Ba, alkali metal carbonates of Formula 4a wherein M1 is Li, Na or K, 1,5-diazabicyclo[4.3.0]non-5-ene and 1,8-diazabicyclo[5.4.0]undec-7-ene, and an aprotic solvent capable of forming a low-boiling azeotrope with water. Also disclosed is a method for preparing a compound of Formula 2 comprising (1) forming a reaction mixture comprising a Grignard reagent derived from contacting a compound of Formula 5 wherein X is Cl, Br or I with magnesium metal or an alkylmagnesium halide in the presence of an ethereal solvent, and then (2) contacting the reaction mixture with a compound of Formula 6 wherein Y is OR11 or NR12R13, and R11, R12 and R13 are as defined in the disclosure. Further disclosed is a method for preparing a compound of Formula 7 wherein Q and Z are as defined in the disclosure, using a compound of Formula 1 characterized by preparing the compound of Formula 1 by the method disclosed above or using a compound of Formula 1 prepared by the method disclosed above.
摘要:
Disclosed is a method for preparing a compound of Formula 1 wherein R1 is CHX2, CX3, CX2CHX2 or CX2CX3; each X is independently Cl or F; Z is optionally substituted phenyl; and Q is phenyl or 1-naphthalenyl, each optionally substituted as defined in the disclosure; comprising contacting a compound of Formula 2 with hydroxylamine in the presence of a base.The present invention also relates to novel compounds of Formula 2, useful as starting materials for the aforedescribed method.
摘要:
A diol from which a resin material having high processability and a high refractive index can be manufactured, a polycarbonate resin and a polyester resin which is a polymer of the diol, and a molded article and an optical element formed of the polymer. The diol is represented by the general formula (1) shown below; the polycarbonate resin and the polyester resin are polymers thereof; and the molded article and the optical element are formed of the polymers, wherein R1 and R2 each independently denote one of a hydrogen atom and an alkyl group having 1 or more and 6 or less carbon atoms; Q denotes one of an oxyethylene group, a thioethylene group and a single bond.
摘要:
The present invention relates generally to compounds providing antibacterial therapeutic agents and preparations, and related methods of using and making antibacterial compounds. Antibacterial compounds of the present invention include chalcone, alkylpyrimidine, aminopyrimidine and cyanopyridine compounds and derivatives thereof exhibiting minimum inhibitory concentrations (MIC) similar to or less than conventional antibacterial compounds in wide use. For example, the present invention provides chalcone and cyanopyridine compounds, and derivatives thereof, exhibiting high antibacterial activities having multiple electron withdrawing group substituents, such as halogens and fluorinated alky groups, and optionally having hydroxyl and/or alkoxyl groups substituents.
摘要:
A fluorine-containing polycyclic aromatic compound represented by the following formula (I) is provided. According to present invention, a novel compound capable of being utilized as an organic n-type semiconductor having an excellent electron transport property is provided, wherein in formula (I), Ar1 and Ar2 each independently represent an aromatic hydrocarbon group having at least six carbon atoms or a heterocyclic group having at least four carbon atoms; R1, R2, R3 and R4 each independently represent a hydrogen atom, a halogen atom, or a monovalent group; R5 and R6 each independently represent a hydrogen atom or a monovalent organic group that may be substituted with a substituent; s1 and t1 each independently represent an integer of at least 2; with the proviso that at least one of R5 and R6 is the abovementioned monovalent organic group where at least one of all the hydrogen atoms of the monovalent organic group including the substituent is substituted with a fluorine atom.
摘要:
Novel ether-ketone-imide hyperbranched polymers with thermally reactive ethynyl endgroups were prepared from the corresponding AB2 monomer and the respective benzophenone-based endcapping agents in one-pot fashion. The resulting polymer has repeating units of the formula: where the chain-end groups, Ar is a benzophenone with an ortho, a meta- or a para-ethynyl substituent.
摘要:
The invention concerns Spirobifluorene derivatives having the general formula (II) and the corresponding, radical anions that can be represented via the general formula (II): in which K, L, M and N, the same or different from each other, are independently: H or A-C═O, with the proviso that it is never K=L=M=N=H, wherein A is an aromatic group, possibly substituted with at least an R′ group selected in the group of the substituents commonly used in organic chemistry and/or at least one R group where R=aliphatic radical. The invention also concerns the method for preparing said derivatives and radical anions. Said compounds are applied in the field of components for molecular electronics, in particular systems for electroluminescence, molecular-based computational systems, OLEDs, molecular switching components, components for non-linear optics, field-effect transistors and semiconductors with negative differential resistance.
摘要翻译:本发明涉及具有通式(II)和可以通过通式(II)表示的相应的自由基阴离子的螺二芴衍生物:其中彼此相同或不同的K,L,M和N独立地为 :H或ACO,条件是从不K = L = M = N = H,其中A是芳族基团,可能被至少一个选自在有机化学中通常使用的取代基中选择的R'基团取代 和/或至少一个R基团,其中R =脂族基团。 本发明还涉及制备所述衍生物和自由基阴离子的方法。 所述化合物应用于分子电子学的组件领域,特别是用于电致发光,基于分子的计算系统,OLED,分子开关组件,非线性光学元件,场效应晶体管和具有负微分电阻的半导体的系统领域。
摘要:
The present invention is directed to compounds having the structure (I) wherein R1, R2, R3, R4, R5 and m are as defined herein. The compounds of this invention are novel therapeutic agents for the treatment of cancer, metabolic diseases and skin disorders in mammalian subjects. These compounds are also useful modulators of gene expression. They exert their activity by interfering with certain cellular signal transduction cascades. The compounds of the invention are thus also useful for regulating cell differentiation and cell cycle processes that are controlled or regulated by various hormones or cytokines. In particular, the invention relates to compounds that induce apoptosis of cancer cells and therefore may be used for the treatment or prevention of cancer, including advanced cancers and pre-cancerous cells. The invention also discloses pharmaceutical compositions and methods of treatment of disease in mammals.