This review summarizes the transition metal-catalyzed direct C–H functionalization of quinazolinones and quinazolines through C-C, C-N and C-O bond formations. It focuses mainly on the C-H (sp2 or sp3) bond arylation, amination, sulfamidation, acetoxylation, halogenation, annulation of quinazolinones and quinazolines. This review illustrates the scope of C-H activation and functionalization of various quinazolinone and quinazoline derivatives.
Keywords: Quinazolinones, quinazolines, arylation, amination, sulfamidation, acetoxylation, halogenation, C-H activation, insertion, metallocycles, transition metals, oxidative coupling, reductive elimination, regioselective, chemoselective, cross-couplings.