可见光促进有机染料催化2-芳基吲哚自由基烷氧羰基化反应研究
收稿日期: 2023-05-17
修回日期: 2023-07-04
网络出版日期: 2023-07-27
基金资助
湖南省自然科学基金(2020JJ5390); 湖南省自然科学基金(2022JJ30418); 湖南文理学院科学研究(21ZD07); 大学生创新创业训练计划(XDC202318)
Organic-Dye-Catalyzed Visible-Light-Mediated Alkoxycarbon-ylation of 2-Aryl-N-acryloyl Indoles with Carbazates
Received date: 2023-05-17
Revised date: 2023-07-04
Online published: 2023-07-27
Supported by
Hunan Provincial Natural Science Foundation of China(2020JJ5390); Hunan Provincial Natural Science Foundation of China(2022JJ30418); Key Research Project of Hunan University of Arts and Science(21ZD07); Innovation and Entrepreneurship Training Program for College Students(XDC202318)
以Rose Bengal为有机染料光催化剂, 在可见光照射下发展了2-芳基吲哚结构的自由基烷氧羰基化反应构建酯基取代的吲哚[2,1-a]异喹啉酮骨架. 在温和的条件下, 能以良好到优秀的收率得到结构多样的吲哚[2,1-a]异喹啉酮类化合物. 该方法具有反应条件温和、利用可见光为能量来源、无需金属催化剂和价廉易得的肼甲酸酯为酯基来源等优点, 更加绿色环保.
关键词: Rose Bengal; 有机染料; 可见光; 2-芳基吲哚; 吲哚[2,1-a]异喹啉酮
杜昌远 , 唐裕才 , 段京林 , 杨碧玉 , 何宇鹏 , 周谦 , 刘学文 . 可见光促进有机染料催化2-芳基吲哚自由基烷氧羰基化反应研究[J]. 有机化学, 2023 , 43(12) : 4268 -4276 . DOI: 10.6023/cjoc202305024
A visible-light-mediated organic dye photoredox-catalyzed alkoxycarbonylation of 2-aryl-N-acryloyl indoles to give valuable indolo[2,1-a]isoquinoline derivatives has been developed. With this approach, a variety of ester-substituted indolo[2,1-a]isoquinolines are prepared in moderate to good yields. Mild reaction conditions, metal free, visible light as a traceless energy source, economical and environmentally benign Rose Bengal as the catalyst, stable and easily accessible starting materials all make this methodology more attractive.
Key words: Rose Bengal; organic dye; visible-light; 2-aryl-indoles; indolo[2,1-a]isoquinolines
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