1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / acetonitrile / Inert atmosphere; Reflux 2: 2-pentafluorophenyl-6,17dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate; N-ethyl-N,N-diisopropylamine / dichloromethane / 5 h / 20 °C / Inert atmosphere View Scheme