[EN] NOVEL ORGANIC ELECTROLUMINESCENT COMPOUNDS AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME [FR] NOUVEAUX COMPOSÉS ÉLECTROLUMINESCENTS ORGANIQUES ET DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE LES UTILISANT
The present invention provides compounds, compositions thereof, and methods of using the same for the inhibition of CRBN, and the treatment of CRBN-mediated disorders.
本发明提供了化合物、其组合物以及使用这些化合物抑制CRBN和治疗CRBN介导的疾病的方法。
Metal-Free Deoxygenation and Reductive Disilylation of Nitroarenes by Organosilicon Reducing Reagents
A metal‐free deoxygenation and reductive disilylation of nitroarenes was achieved using N,N′‐bis(trimethylsilyl)‐4,4′‐bipyridinylidene (1) under mild and neutral reaction conditions, and a broad functional group tolerance was possible in this reaction. Mono‐deoxygenation, giving a synthetically valuable N,O‐bis(trimethylsilyl)phenylhydroxylamine (7 a) as a readily available and safe phenylnitrene source
使用N,N'-双(三甲基甲硅烷基)-4,4'-联吡啶亚烷基(1)在温和和中性的反应条件下实现了硝基芳烃的无金属脱氧和还原二甲硅烷基化反应,并且该反应可能具有广泛的官能团耐受性。单脱氧可得到合成上有价值的N,O-双(三甲基甲硅烷基)苯羟胺(7 a),是一种容易获得且安全的硝基苯来源的苯基亚硝酸,双脱氧可得到N,N-双(三甲基硅烷基)苯胺8。改变1的量很容易控制反应温度以及加入二苯并噻吩(DBTP)。2-芳基硝基苯与1的反应通过N,O-双(三甲基甲硅烷基)苯基羟胺7的热解衍生的原位生成的亚苯基硝基苯胺生成相应的咔唑14,随后将其插入分子内CH。此外,分子内的N-N偶联反应将2,2'-二硝基联苯衍生物还原1,得到相应的苯并[ c ]喹啉。
IRIDIUM COMPLEX AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:YEN FENG-WEN
公开号:US20190100543A1
公开(公告)日:2019-04-04
The present invention discloses an iridium complex of formula (1) and an organic electroluminescence device employing the iridium complex as the phosphorescent dopant material. The organic EL device can display good performance, such as lower driving voltage, reduced power consumption, increased efficiency, and longer half-life time.
moieties was provided through cross-coupling reactions of aryl bromides or benzyl halides with heteroarylaluminum reagents in the presence of Pd(OAc)2 and (o-tolyl)3P. The coupling reaction also worked efficiently with heteroaryl bromides affording series of heterobiaryl compounds. The reaction of phenylbromide with in situ prepared 3-pyridyl aluminum was demonstrated to afford the product 8a in high yield
Mo–Catalyzed One‐Pot Synthesis of
<i>N</i>
‐Polyheterocycles from Nitroarenes and Glycols with Recycling of the Waste Reduction Byproduct. Substituent‐Tuned Photophysical Properties
作者:Raquel Hernández‐Ruiz、Rubén Rubio‐Presa、Samuel Suárez‐Pantiga、María R. Pedrosa、Manuel A. Fernández‐Rodríguez、M. José Tapia、Roberto Sanz
DOI:10.1002/chem.202102000
日期:2021.9.24
reduction–imine formation–intramolecular cyclization–oxidation for the general synthesis of a wide variety of biologically relevant N-polyheterocycles, such as quinoxaline- and quinoline-fused derivatives, and phenanthridines, is reported. A simple, easily available, and environmentally friendly dioxomolybdenum(VI) complex has proven to be a highly efficient and versatile catalyst for transforming a