28082-82-8Relevant articles and documents
-
Koshel',Postovskii
, (1970)
-
Electro-reductive C-H cyanoalkylation of quinoxalin-2(1H)-ones
Ding, Ling,Liu, Yuxiu,Niu, Kaikai,Wang, Qingmin
supporting information, (2022/01/24)
Herein, we report a practical electro-reductive protocol for the direct C–H cyanoalkylation of quinoxalin-2(1H)-ones via iminyl radical-mediated ring opening. These mild reactions proceed under metal-, reductant-, and reagent-free conditions to provide synthetically useful cyanoalkylated quinoxalin-2(1H)-ones.
Electro-oxidative C-H alkylation of quinoxalin-2(1: H)-ones with organoboron compounds
Niu, Kaikai,Hao, Yanke,Song, Lingyun,Liu, Yuxiu,Wang, Qingmin
supporting information, p. 302 - 306 (2021/01/28)
Radical cleavage of C-B bonds to accomplish C-H functionalization is synthetically appealing but practically challenging. We report herein a mild electro-oxidative method for efficient C-H alkylation of quinoxalin-2(1H)-ones by means of radical addition reactions of alkyl boronic acids and esters and alkyl trifluoroborates to afford C-C coupled products. This journal is
Electrochemical chlorination and bromination of electron-deficient C[sbnd]H bonds in quinones, coumarins, quinoxalines and 1,3-diketones
Yu, Dan,Ji, Ruixue,Sun, Zhihui,Li, Wenjie,Liu, Zhong-Quan
supporting information, (2021/11/16)
The electrochemistry-promoted chlorination and bromination of electron-deficient C[sbnd]H bonds was developed, using quinones, coumarins, quinoxalines and 1,3-diketones. This protocol features readily available and safe halogen sources (hydrochloric acid and KBr), high site-selectivity and mild reaction conditions. It could provide an efficient access to a series of chlorinated and brominated quinones, coumarins, quinoxalines and 1,3-diketones.