Photochemical alkylation of quinoxalin-2(1H)-ones with N,N,N′,N′-tetraalkylethylenediamine

A visible-light-induced C-3 alkylation of quinoxalin-2(1 H )-ones with N , N , N ′, N ′-tetraalkylethylenediamine was achieved without an external photocatalyst.