Visible-Light-Promoted Iron-Catalyzed <i>N</i>-Arylation of Dioxazolones with Arylboronic Acids
作者:Jing-Jing Tang、Xiaoqiang Yu、Yoshinori Yamamoto、Ming Bao
DOI:10.1021/acscatal.1c04538
日期:2021.11.19
A visible-light-promoted and simple iron salt-catalyzed N-arylation was achieved efficiently under external photosensitizer-free conditions. Arylboronic acids and bench-stable dioxazolones were used for this cross-coupling reaction. This reaction features high reactivity, wide substrate scope, good functional group tolerance, simple operation procedure, and mild reaction conditions. Preliminary mechanistic
可见光促进的和简单的铁盐-催化Ñ -arylation被外部自由光敏剂条件下有效地实现。芳基硼酸和长期稳定的二恶唑酮用于这种交叉偶联反应。该反应具有反应活性高、底物范围广、官能团耐受性好、操作步骤简单、反应条件温和等特点。进行了初步机制研究以支持激进途径。这种方法可能有助于改变铁催化的 C-N 键构建和氮烯转移化学的范式。