Polymer-Supported Copper Complex for C−N and C−O Cross-Coupling Reactions with Aryl Boronic Acids
作者:Gary C. H. Chiang、Thomas Olsson
DOI:10.1021/ol048943e
日期:2004.9.1
[reaction: see text] Immobilization of copper onto modified Wang resin provided a polymer-supported copper catalyst, which is effective in cross-coupling reactions between N- or O-containing substrates and arylboronic acids. The copper catalyst is air stable and can be recycled with minimal loss of activity.
作者:Kai Chen、Qi-Kai Kang、Yuntong Li、Wen-Qiang Wu、Hui Zhu、Hang Shi
DOI:10.1021/jacs.1c12622
日期:2022.1.26
availability of both phenols and amines, aniline synthesis through direct coupling between these starting materials would be extremely attractive. Herein, we describe a rhodium-catalyzed amination of phenols, which provides concise access to diverse anilines, with water as the sole byproduct. The arenophilic rhodium catalyst facilitates the inherently difficult keto–enol tautomerization of phenols by means of
to accessing aromaticamines from an abundant feedstock, namely phenols. The most reliable catalytic method for converting phenols to aromaticamines uses an activating group, such as a trifluoromethane sulfonyl group. However, this activating group is eliminated as a leaving group during the amination process, resulting in significant waste. Our nickel-catalyzed decarboxylation reaction of aryl carbamates
Iron‐Catalysed Direct Aromatic Amination with
<i>N</i>
‐Chloroamines
作者:Gayle E. Douglas、Steven A. Raw、Stephen P. Marsden
DOI:10.1002/ejoc.201900614
日期:2019.9
optimized procedure for the direct intra‐ and intermolecular amination of aromatic C‐H bonds with aminium radicals generated from N‐chloroamines under iron catalysis is reported. A range of substituted tetrahydroquinolines could be readily prepared, while extension to the synthesis of benzomorpholines was more limited in scope. A direct one‐pot variant was developed, allowing direct formal oxidative N‐H/C‐H
Copper-catalyzed general CN and CO bond cross-coupling with arylboronic acid
作者:Patrick Y.S Lam、Guillaume Vincent、Charles G Clark、Sophie Deudon、Prabhakar K Jadhav
DOI:10.1016/s0040-4039(01)00510-x
日期:2001.5
General catalytic Cu(OAc)2/TEMPO in air or Cu(OAc)2/O2 systems for the CN and CO cross-coupling reactions with arylboronic acid have been discovered. N- and O-vinylation have also been demonstrated.
已经发现空气中的一般催化性Cu(OAc)2 / TEMPO或Cu(OAc)2 / O 2系统与芳基硼酸的CN和CO交叉偶联反应。还已经证明了N-和O-乙烯基化。