“…Since both indole and benzo–furanone structural fragments are omnipresent in nature and listed as privileged scaffolds for drug discovery, chimeric indigo-, or isoindigo-like molecules possessing both these moieties also attracted certain attention. There are several reports describing the preparation of these unique compounds and studies of their applications in medicinal chemistry and material sciences [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 ]. A common theme described in these reports is the metal-catalyzed C-C bond-forming reactions to accomplish the coupling between the indole and benzofuranone building blocks [ 1 , 5 , 8 , 10 ].…”