CAS: 162258-89-1; 4-Bromo-4'-Tert-Butylbiphenyl

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CAS号507-20-0 氯代叔丁烷 | CAS号92-66-0 4-溴联苯 | CAS号5748-42-5 4-(4-叔丁基苯基)苯甲酸 | CAS号501944-49-6 [4'-(2-Methyl-2...

📜对溴碘苯置于lithium Chloro-Isopropyl-Magnesium Chloride,Tris(2,2-Bipyridine)Ruthenium(II) Hexafluorophosphate,氯(二甲基硫化)金(I),1,2-双(二苯基膦)乙烷体系中,用 四氢呋喃,乙腈 用作溶剂,化学反应 5.0H,反应生成4-溴-4'-叔丁基联苯
参考文献:通过光激活金催化实现芳基锗烷 (C-Geet3 )置于c-Bpin,C-Sir3 和卤素上的模块化和选择性芳基化.
标题:通过光激活金催化实现芳基锗烷 (C-Geet3 )置于c-Bpin,C-Sir3 和卤素上的模块化和选择性芳基化.
摘要:选择性 C-C偶联是快速,可编程构建双芳基或多芳基的强大策略.为此,合成模块化的下一个前沿可能会产生于利用与强大的 Pd 催化耦合机制正交的耦合空间.该报告详细介绍了这一概念的实现,并提出了在有价值的官能团 C−bpin,C−sime 3,C−i,C存在下,芳基锗烷(在 Pd 0 /pd Ii催化下呈惰性)的完全选择性芳基化−br,C−cl,这反过来又提供了多样化的多样化机会.该方案利用可见光激活与金催化相结合,促进 C−ge 与芳基重氮盐的选择性偶联.与之前专门针对ar-N 2 +范围的光/金催化的 Ar-N 2 +偶联相反,我们提出了有效偶联富电子,缺电子,杂环和位阻芳基重氮盐的条件.我们的计算数据表明,虽然缺电子的 Ar-N 2 +盐在蓝光照射下很容易被金激活,但对于激发的富电子 Ar-N 2 +存在竞争性解离失活途径,这需要替代的光-氧化还原方法可实现高效耦合.
Doi:10.1002/anie.202005066

专利信息

专利号:US-10844081-B2
优先权日:2015-08-07
标题 :Protected organoboronic acids with tunable reactivity, and methods of use thereof
发明人：BURKE MARTIN D; SCHMIDT MICHAEL; MOREHOUSE GREG; PIPAL ROBERT W
权利人:UNIV ILLINOIS
摘要:Disclosed are a range of protected organoboronic acid reagents useful in the modular assembly of complex organic compounds. The reactivities of the protected organoboronic acid reagents may be varied predictably by changes to the number and identities of their substituents. Also disclosed are methods of using the protected organoboronic acid reagents in the synthesis of organic compounds.

专利号:US-7368616-B2
优先权日:2002-10-30
标题 :Method for the production of monomers useful in the manufacture of semiconductive polymers
发明人：WALLACE PAUL; TOWNS CARL; POUNDS THOMAS
权利人:MERCK PATENT GMBH
摘要:The instant invention relates to a new method for the synthesis of monomers and their use inter alia in the manufacture of semiconductive polymers. Monomers, in particular, asymmetric monomers, such as asymmetric fluorene compounds, are valuable material in the manufacture of semiconductive polymers. The know methods for producing asymmetric monomers, such as asymmetric fluorene compounds, are expensive due to the formation of by-products. n The method according to the present invention avoids the formation of such by-products and is described in more detail in claims 1 to 14.