21943-45-3Relevant articles and documents
Alkylation of quinoxalin-2(1H)-ones using phosphonium ylides as alkylating reagents
Liu, Jun-Jia,Peng, Sha,Yang, Luo
supporting information, p. 9705 - 9710 (2021/11/30)
A practical and efficient methodology for the construction of 3-alkylquinoxalinones through base promoted direct alkylation of quinoxalin-2(1H)-ones with phosphonium ylides as alkylating reagents under metal- and oxidant-free conditions was developed. Various 3-alkylquinoxalin-2(1H)-ones were easily obtained in good to excellent yields. Tentative mechanistic studies suggest that this reaction is likely to involve a nucleophilic addition-elimination process.
Visible-light induced decarboxylative alkylation of quinoxalin-2(1H)-ones at the C3-position
Xue, Wenxuan,Su, Yingpeng,Wang, Ke-Hu,Zhang, Rong,Feng, Yawei,Cao, Lindan,Huang, Dangfeng,Hu, Yulai
, p. 6654 - 6661 (2019/07/16)
A simple and efficient method for the visible light induced direct carbon alkylation of quinoxalin-2(1H)-ones at the C3 position is described. This protocol employs cheap and readily available phenyliodine(iii) dicarboxylates as the alkylation reagents to conduct decarboxylative radical coupling reaction with quinoxalin-2(1H)-ones. The process exhibits excellent compatibility to functional groups and provides a convenient and selective access to various 3-alkylquinoxalin-2(1H)-ones in good yields.