1: 98 percent / 3 h / Heating 2: 61 percent / 85percent aq. m-chloroperbenzoic acid / CHCl3 / 15 h / Ambient temperature 3: 51 percent / N,N-dimethylformamide / 12 h / 90 °C 4: 49 percent / H2 / Raney nickel / methanol / 2 h / Ambient temperature 5: 25 percent / aq. sodium hydroxide / 3 h / Heating View Scheme

1: 61 percent / 85percent aq. m-chloroperbenzoic acid / CHCl3 / 15 h / Ambient temperature 2: 51 percent / N,N-dimethylformamide / 12 h / 90 °C 3: 49 percent / H2 / Raney nickel / methanol / 2 h / Ambient temperature 4: 25 percent / aq. sodium hydroxide / 3 h / Heating View Scheme

1: 51 percent / N,N-dimethylformamide / 12 h / 90 °C 2: 49 percent / H2 / Raney nickel / methanol / 2 h / Ambient temperature 3: 25 percent / aq. sodium hydroxide / 3 h / Heating View Scheme

1: 49 percent / H2 / Raney nickel / methanol / 2 h / Ambient temperature 2: 25 percent / aq. sodium hydroxide / 3 h / Heating View Scheme

sodium hydroxide 3 h; Heating;