sodium hydroxide; potassium hexacyanoferrate(III) in water; benzene 1 h; Ambient temperature;

n-Pentyl nitrite; toluene-4-sulfonic acid 72 h; Heating;

1: aq. NaOH / dimethylsulfoxide / Ambient temperature 2: K3Fe(CN)6 View Scheme

1: 44 percent / NaH (50percent in oil) / dimethylformamide / 0.5 h / Ambient temperature 2: 62 percent / 10percent NaOH / dimethylsulfoxide / 1 h / Ambient temperature 3: 86 percent / 50percent NaOH / dimethylsulfoxide / 1 h / Ambient temperature 4: 85 percent / K3Fe(CN)6, 50percent NaOH / H2O; benzene / 1 h / Ambient temperature View Scheme

1: 62 percent / 10percent NaOH / dimethylsulfoxide / 1 h / Ambient temperature 2: 86 percent / 50percent NaOH / dimethylsulfoxide / 1 h / Ambient temperature 3: 85 percent / K3Fe(CN)6, 50percent NaOH / H2O; benzene / 1 h / Ambient temperature View Scheme

in tetrahydrofuran 3 h; Heating;

sodium hydroxide in dimethyl sulfoxide 3 h; Ambient temperature;