Mechanism and Applications of the Photoredox Catalytic Coupling of Benzyl Bromides
作者:Gyurim Park、Seung Yeon Yi、Jaehun Jung、Eun Jin Cho、Youngmin You
DOI:10.1002/chem.201603517
日期:2016.12.5
the Hantzsch ester, potassium phosphate, and a photoactive cyclometalated IrIII complex catalyst. A photochemical quantum yield as high as 20 % was obtained. The catalytic mechanism was investigated in detail by performing photophysical and electrochemical measurements, as well as by quantum chemical calculations. The results suggest that two‐electron mediation might be responsible for the improved
已经证明卤代甲基芳烃与联苄衍生物的光氧化还原催化偶联。催化方案使用Hantzsch酯,磷酸钾和光敏环金属化Ir III络合物催化剂。获得了高达20%的光化学量子产率。通过进行光物理和电化学测量,以及通过量子化学计算,详细研究了催化机理。结果表明,双电子介导可能是改善光子经济的原因。该反应方案与含有多种官能团的卤代甲基芳烃兼容。最后,我们的方案的合成实用性通过制备天然的二氢芪类化合物布列通素A来证明。