3-chloro-benzenecarboperoxoic acid in dichloromethane T=0°C; 2 h; Product distribution;

copper in 1,4-dioxane 3 h; Heating;

1.1: tellurium powder / dimethylsulfoxide / 1 h / Heating 1.2: 59 percent / dimethylsulfoxide / 2 h / 20 °C 2.1: NaOH in EtOH; O2 / 0.83 h / 40 °C 2.2: 76 percent / NaOH in EtOH / 1 h / Heating 3.1: 74 percent / activated copper / dioxane / 3 h / Heating View Scheme

1.1: NaOH in EtOH; O2 / 0.83 h / 40 °C 1.2: 76 percent / NaOH in EtOH / 1 h / Heating 2.1: 74 percent / activated copper / dioxane / 3 h / Heating View Scheme