作者:Sunil Kumar Sunnam、Jitendra D. Belani
DOI:10.1002/chem.202100205
日期:2021.6.16
Arylation via ortho C−H activation by the aid of directing groups has been explored recently by many researchers. Herein, a palladium-catalyzed C−H arylation using 8-aminoquinoline as a bidentate directing group has been developed. The reaction furnishes only C−H arylation, unlike previous methods where cyclization to corresponding isoquinolones is observed. More interestingly, sequential C−H functionalization
许多研究人员最近探索了在导向基团的帮助下通过邻位 CH 活化的芳基化。在此,开发了一种使用 8-氨基喹啉作为双齿导向基团的钯催化的 C-H 芳基化反应。该反应仅提供 CH 芳基化,与观察到相应异喹诺酮环化的先前方法不同。更有趣的是,当加入丙烯酸甲酯和丙烯腈时,观察到连续的 CH 官能化;这导致与芳基的 CH 烯化,芳基由芳烃前体安装。