Synthesis of Indolylquinolines, Indolylacridines, and Indolylcyclopenta[<i>b</i>]quinolines from the Baylis–Hillman Adducts: An in Situ [1,3]-Sigmatropic Rearrangement of an Indole Nucleus To Access Indolylacridines and Indolylcyclopenta[<i>b</i>]quinolines
作者:Chintakunta Ramesh、Po-Min Lei、Donala Janreddy、Veerababurao Kavala、Chun-Wei Kuo、Ching-Fa Yao
DOI:10.1021/jo301313m
日期:2012.10.5
A simple and easy route to the synthesis of a variety of structurally diverse indolylquinolines, indolylacridines, and indolylcyclopenta[b]quinoline derivatives via the reductive cyclization of C-alkylated indole derivatives, derived from acyclic as well as cyclic Baylis–Hillman adducts with indoles, is described. An unusual in situ [1,3]-sigmatropic rearrangement of the indole nucleus was observed
一种简单易行的途径,可通过C-烷基化的吲哚衍生物的还原环化反应,合成各种结构多样的吲哚基喹啉,吲哚基吡啶和吲哚基环戊[ b ]喹啉衍生物,描述。在含有吲哚的α-区域选择性B–H加合物的还原环化过程中,观察到吲哚核的不寻常的原位[1,3]-σ重排,产生吲哚基吡啶和吲哚基环戊[ b ]喹啉衍生物。