Deaminative Borylation of Aliphatic Amines Enabled by Visible Light Excitation of an Electron Donor-Acceptor Complex
作者:Frederik Sandfort、Felix Strieth-Kalthoff、Felix J. R. Klauck、Michael J. James、Frank Glorius
DOI:10.1002/chem.201804246
日期:2018.11.22
strategy for the borylation of aliphatic primary amines is described. Alkyl radicals derived from the single‐electron reduction of redox‐active pyridinium salts, which can be isolated or generated in situ, were borylated in a visible light‐mediated reaction with bis(catecholato)diboron. No catalyst or further additives were required. The key electron donor–acceptor complex was characterized in detail
描述了用于脂族伯胺的硼化的脱氨基策略。氧化还原活性吡啶鎓盐的单电子还原衍生的烷基自由基,可以在与双(邻苯二酚)二硼的可见光介导的反应中被硼化,可以原位分离或原位生成。不需要催化剂或其他添加剂。通过实验和计算研究,对关键的电子供体-受体复合体进行了详细表征。天然产物和药物分子的后期功能化证明了这种温和方案的合成潜力。