Suzuki–Miyaura Coupling of Simple Ketones via Activation of Unstrained Carbon–Carbon Bonds
作者:Ying Xia、Jianchun Wang、Guangbin Dong
DOI:10.1021/jacs.8b02462
日期:2018.4.25
Here, we describe that simple ketones can be efficiently employed as electrophiles in Suzuki-Miyauracoupling reactions via catalytic activation of unstrained C-C bonds. A range of common ketones, such as cyclopentanones, acetophenones, acetone and 1-indanones, could be directly coupled with various arylboronates in high site-selectivity, which offers a distinct entry to more functionalized aromatic
在这里,我们描述了通过催化激活无张力的 CC 键,简单的酮可以在 Suzuki-Miyaura 偶联反应中有效地用作亲电子试剂。一系列常见的酮,如环戊酮、苯乙酮、丙酮和1-茚满酮,可以直接与各种芳基硼酸酯以高位点选择性偶联,这为获得更多功能化的芳香酮提供了独特的途径。初步机理研究表明酮 α-CC 键通过氧化加成断裂。
Aerobic oxidation of alcohol in aqueous solution catalyzed by gold
作者:Huanrong Li、Bingtao Guan、Wenjin Wang、Dong Xing、Zhao Fang、Xiaobing Wan、Liping Yang、Zhangjie Shi
DOI:10.1016/j.tet.2007.05.117
日期:2007.8
The heterogeneous oxidation catalyzed by supported goldnanoparticles has been relatively well studied. In comparison, the oxidation of alcohols catalyzed by ligand-supported gold complexes was rarely reported. Herein a general method is demonstrated to oxidize secondary and primary benzyl and allylic alcohols to carbonyl compounds via Au(I) catalyzed reaction in air and water. Primary mechanistic studies
Pd-Catalyzed Carbonylative Cross-Coupling Reactions by Triorganoindiums: Highly Efficient Transfer of Organic Groups Attached to Indium under Atmospheric Pressure
作者:Phil Ho Lee、Sung Wook Lee、Kooyeon Lee
DOI:10.1021/ol034167j
日期:2003.4.1
[reaction: see text] A highly atom-efficient synthetic method of unsymmetrical ketones was developed by using trialkyl- and triarylindiums, which could be employed as effective cross-coupling partners in Pd-catalyzed carbonylative cross-coupling reactions with a variety of organic electrophiles. The present method produced unsymmetrical ketones and 1,4-diacylbenzenes in good yields with highly efficient