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Updated: Aug 6, 2026
![[(DPEPhos)(bcp)Cu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F59739.jpg&w=3840&q=50)
[(DPEPhos)(bcp)Cu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
Published on: May 21, 2019
Visible-Light-Induced Radical Cascade Cyclization of 1,7-Enynes to Access CF2-Containing Indenoquinolines by an
Zhen Chen1, You Peng1, Shu-Peng Zhang1
1Jiangsu Province Engineering Research Center of Green Pesticides and School of Plant Protection, Yangzhou University, Yangzhou225009, P. R. China.
None:
We report a photoinduced radical cascade cyclization of alkenes with difluorobromoamides, enabled via an electron donor-acceptor (EDA) complex strategy. This protocol constitutes an efficient route to difluoroamidated indenylquinolines, wherein the difluorobromoamide functions as the electron acceptor and (NH4)2S2O8 serves as the electron donor. The method is distinguished by mild reaction conditions, operational simplicity, metal-free catalysis, excellent functional group tolerance, and a broad substrate scope.
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