
A facile method for building fused quinoxaline-quinolinones via an acidless post-Ugi cascade reaction
Keywords: واکنش جایگزینی نوکلئوفیل; Quinoxaline; Quinolino[3,4-b]quinoxalin-6(5H)-one; Ugi/deprotection/cyclization (UDC) strategy; Nucleophilic substitution reaction; One-pot;