Mechanism of Visible Light-Mediated Alkene Aminoarylation with Arylsulfonylacetamides
作者:Anthony R. Allen、Jia-Fei Poon、Rory C. McAtee、Nicholas B. Watson、Derek A. Pratt、Corey R.J. Stephenson
DOI:10.1021/acscatal.2c02577
日期:2022.7.15
Alkene aminoarylation with arylsulfonylacetamides via a visible light-mediated radical Smiles–Truce rearrangement represents a convenient approach to the privileged arylethylamine pharmacophore traditionally generated by circuitous, multistep sequences. Herein, we report detailed synthetic, spectroscopic, kinetic, and computational studies designed to interrogate the proposed mechanism, including the
通过可见光介导的自由基 Smiles-Truce 重排,将烯烃与芳基磺酰基乙酰胺进行氨基芳基化,代表了一种传统上通过迂回、多步序列生成的特权芳基乙胺药效团的便捷方法。在此,我们报告了详细的合成、光谱、动力学和计算研究,旨在探讨所提出的机制,包括关键的芳基转移事件。这些数据与限速 1,4-芳基迁移一致,该迁移要么通过涉及自由基 Meisenheimer 类中间体的逐步过程发生,要么以依赖于芳烃电子和烯烃空间的协调方式发生。