A radical addition and cyclization relay promoted by Mn(OAc)3⋅2H2O: Synthesis of 1,2-oxaphospholoindoles and mechanistic study
作者:Meng-Meng Xu、Lu-Yao Kou、Xiao-Guang Bao、Xiao-Ping Xu、Shun-Jun Ji
DOI:10.1016/j.cclet.2021.02.001
日期:2021.6
Novel and efficient Mn(OAc)3⋅2H2O promoted radical addition-[4 + 1] cyclization relay of 3-indolymethanols and phosphites was disclosed, which afforded 1,2-oxaphospholoindole derivatives in moderate to good yields. Based on the experimental and computational studies, a mechanism involving radical addition and intramolecular cyclization cascade was proposed.
新型高效的 Mn(OAc) 3 ⋅2H 2 O 促进了 3-吲哚甲醇和亚磷酸酯的自由基加成-[4 + 1] 环化中继,以中等至良好的产率提供了 1,2-氧杂磷并吲哚衍生物。基于实验和计算研究,提出了一种涉及自由基加成和分子内环化级联的机制。