1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide / 19 h / 20 °C 2: dimethyl sulfoxide / 40 h / 60 °C View Scheme

1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide / 19 h / 20 °C 2: dimethyl sulfoxide / 40 h / 60 °C 3: acetic acid / ethanol / 1 h / 90 °C View Scheme