2,3-dicyano-5,6-dichloro-p-benzoquinone in benzene 4 h; Heating;

Multi-step reaction with 2 steps 1: 91 percent / I2 / benzene / 6 h / 60 °C / other 13-substituted 5-tert-butyl-8-methoxy<2.2>methacyclophanes, various reaction times and iodine molar concentrations2: 98 percent / AlCl3-CH3NO2 / benzene / 2 h / Ambient temperature