Scheme 1. (a) I₂-catalyzed decarboxylative C–N coupling reactions of primary α-amino acids 1 and 2-aminobenzoketones 2 developed by Wang; (b) synthesis of 2-arylquinazolines 6 through decarboxylative amination of arylacetic acids 4 with 2-aminobenzoketones 5 and NH₄OAc.