Decarboxylative Synthesis of Functionalized Oxindoles via An Iron-Initiated Radical Chain Process and Application in Constructing Diverse Fused-Indoline Heterocycles
作者:Zhihao Cui、Da-Ming Du
DOI:10.1002/adsc.201700976
日期:2018.1.4
Rapid construction of diverse fused‐indoline−heterocycle (FIH) frameworks including high‐value pyrroloindolines, furoindolines and thienoindolines in a two‐step sequence has been described. The key to success hinges on the adoption of peresters as α‐heteroatom alkyl radical precusors, which can smoothly react with N‐arylacrylamides via a radical chain process initiated by inexpensive FeCl2⋅4H2O to