An efficient visible-light-induced radical cascade azidation/cyclization of 2-aryl indoles with trimethylsilyl azide(TMSN3)has been developed using organic dye Rose Bengal as the photocatalyst.This method did not requ...An efficient visible-light-induced radical cascade azidation/cyclization of 2-aryl indoles with trimethylsilyl azide(TMSN3)has been developed using organic dye Rose Bengal as the photocatalyst.This method did not require metal catalysts and additives,and used air as the oxidant to obtain diverse indolo[2,1-a]isoquinolin-6(5H)-ones in moderate to good yields.Mechanistic studies demonstrated that the reaction proceeded via a radical pathway.展开更多
基金supported by the Young National Natural Science Foundation of China(No.21302096)the Young Natural Science Foundation of Jiangsu Province(Nos.BK20171449,BK20130962)+1 种基金the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYLX16_0844)the Project Fund from the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD)
基金Project supported by the Scientific Research Foundation of Hunan Provincial Education Department(No.23B0650)the Natural Science Foundation of Hunan Province(No.2022JJ30418)+1 种基金the Key Scientific Research Foundation of Hunan University of Arts and Science(No.22ZD04)the Innovation and Entrepreneurship Training Program for College Students of Hunan University of Arts and Science(No.XDC202318)。
文摘An efficient visible-light-induced radical cascade azidation/cyclization of 2-aryl indoles with trimethylsilyl azide(TMSN3)has been developed using organic dye Rose Bengal as the photocatalyst.This method did not require metal catalysts and additives,and used air as the oxidant to obtain diverse indolo[2,1-a]isoquinolin-6(5H)-ones in moderate to good yields.Mechanistic studies demonstrated that the reaction proceeded via a radical pathway.
