9-溴菲置于正丁基锂,硼酸三甲酯,盐酸体系中,用 四氢呋喃,水 作为反应溶剂,化学反应 4.0H,反应生成 9-菲硼酸 参考文献:A Recyclable Au(I) Catalyst For Selective Homocoupling Of Arylboronic Acids: Significant Enhancement Of Nano-Surface Binding For Stability And Catalytic Activity 标题:A Recyclable Au(I) Catalyst For Selective Homocoupling Of Arylboronic Acids: Significant Enhancement Of Nano-Surface Binding For Stability And Catalytic Activity 摘要:由聚苯乙烯-聚丙烯酸微球(ps-Co-Pmaa)稳定的金纳米颗粒被制备并通过x射线衍射(xrd)和透射电子显微镜(tem)进行了表征.涂覆在微球上的金纳米颗粒对芳基硼酸的自偶联反应在芳基卤化物和芳基硼酸的体系中表现出高度选择性的催化活性.催化剂的x射线光电子能谱(xps)显示大量au(I)络合物附着在金纳米颗粒的表面,这有助于芳基硼酸的选择性自偶联.更重要的是,这种支持的金络合物是一种高度可回收的催化剂.支持的金催化剂可以对苯硼酸反应物循环使用至少6次,而原始络合物对该化合物的催化活性非常低.这种材料的高催化活性归因于:(1) 高表面与体积比,导致更多的活性位点暴露于反应物中;(2) 金纳米颗粒与au(I)络合物之间的强表面结合,增强了这些络合物的稳定性和催化活性. DOI:10.1166/jnn.2010.2409
专利号:US-9718764-B2 优先权日:2013-03-22 标题:Synthetic building blocks for the production of materials for organic electroluminescence devices 发明人:STOESSEL PHILIPP; PARHAM AMIR HOSSAIN; JATSCH ANJA 权利人:MERCK PATENT GMBH 摘要:The present invention relates to compounds which are suitable as synthesis precursors for the production of electronically active materials for use in organic electroluminescence devices.
专利号:CN-118387860-A 优先权日:2024-04-22 标题 :A method for rapid synthesis of RGB room temperature phosphorescent carbon dots by microwave heating
专利号:US-2025042877-A1 优先权日:2021-11-30 标题:Organic compound, organic device, light-emitting apparatus, and electronic appliance 发明人:HAYASHI YUKI; KAWAKAMI SACHIKO; HASHIMOTO NAOAKI 权利人:SEMICONDUCTOR ENERGY LAB 摘要:A novel compound, a synthesis method thereof, and an organic device including the novel compound are provided. A compound represented by General Formula (G1) is provided. In General Formula (G1), each of R1, R2, and R5 to R7 independently represents any of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 1 to 60 carbon atoms, and a substituted or unsubstituted heteroaryl group having 1 to 60 carbon atoms. R3 represents a condensed ring composed of 4 to 10 rings containing nitrogen as an element forming the ring, and R4 represents any of a substituted or unsubstituted condensed ring having 1 to 60 carbon atoms, a substituted or unsubstituted aryl group with a molecular weight of 78 or more, and a substituted or unsubstituted heteroaryl group with a molecular weight of 80 or more. At least one of A1 to A3 represents nitrogen, and each of the others represents substituted carbon. Each of substituents of A1 to A3 independently represents any of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 1 to 60 carbon atoms, and a substituted or unsubstituted heteroaryl group having 1 to 60 carbon atoms.
专利号:CN-114835625-A 优先权日:2022-06-23 标 题 :A kind of axial chiral indole derivatives containing 2-thiocyano-3-aryl group synthesis method
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