Synlett, Table of Contents Synlett 2022; 33(10): 998-1002DOI: 10.1055/a-1815-3539 letter Copper-Catalyzed Alkylation of Quinoxalin-2(1H)-ones with Styrenes and tert-Butyl Peroxybenzoate Authors Xiaoyang Zhong‡ Xinying Li‡ Hua Yao∗ Zhaohua Yan Hui Guo Li Min Sen Lin∗ Recommend Article Abstract Buy Article(opens in new window) All articles of this category(opens in new window) Abstract A simple strategy for the synthesis of 3-substituted quinoxalin-2(1H)-ones containing ether units is proposed. The method is realized by the three-component synthesis of quinoxalin-2(1H)-ones, styrenes, and tert-butyl peroxybenzoate (TBPB). This reaction has good functional group tolerance and may involve a free-radical process. Key words Key wordsquinoxalin-2(1H)-ones - three-component synthesis - styrenes - free radicals Full Text References References and Note 1a Ries UJ, Priepke HW. M, Hauel NH, Handschuh S, Mihm G, Stassen JM, Wienen H, Nar W. Bioorg. Med. Chem. 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