bromine in chloroform 24 h; Ambient temperature;

1: 1.) hydrogen, potassium hydroxide; 2.) ferrous chloride, oxygen / 1.) Raney-nickel / 1.) r.t., benzene, methanol; 2.) 60 deg C, 4 h 2: 96 percent / KNO3 / aq. H2SO4 / 1 h / -2 - 0 °C 3: 1.) aluminium amalgame; 2.) oxygen / 1.) ethanol, 95 deg C, 1 h; 2.) 8 h 4: 1.) sodium nitrite, p-sulfanilic acid, sodium acetate; 3.) sodium dithionite, 2.5 percent sodium hydroxide / 1.) acetic acid, -2 deg C, 1 h; 2.) 33 percent aq. acetic acid, 0 deg C, 15 min; 3.) 1 h 5: 1.5 M sulfuric acid, potassium dichromate / CHCl3 6: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 1.) hydrogen, potassium hydroxide; 2.) ferrous chloride, oxygen / 1.) Raney-nickel / 1.) r.t., benzene, methanol; 2.) 60 deg C, 4 h 2: 96 percent / KNO3 / aq. H2SO4 / 1 h / -2 - 0 °C 3: 1.) aluminium amalgame; 2.) oxygen / 1.) ethanol, 95 deg C, 1 h; 2.) 8 h 4: 1.) sodium nitrite, p-sulfanilic acid, sodium acetate; 3.) sodium dithionite, 2.5 percent sodium hydroxide / 1.) acetic acid, -2 deg C, 1 h; 2.) 33 percent aq. acetic acid, 0 deg C, 15 min; 3.) 1 h 5: 1.5 M sulfuric acid, potassium dichromate / CHCl3 6: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 50 percent / copper acetate, oxygen / methanol / Ambient temperature 2: 95 percent / sodium hydroxide / 30 h 3: sulfuric acid / 3 h / Heating 4: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 20 percent / sulfuric acid / 3 h / Heating 2: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 96 percent / KNO3 / aq. H2SO4 / 1 h / -2 - 0 °C 2: 1.) aluminium amalgame; 2.) oxygen / 1.) ethanol, 95 deg C, 1 h; 2.) 8 h 3: 1.) sodium nitrite, p-sulfanilic acid, sodium acetate; 3.) sodium dithionite, 2.5 percent sodium hydroxide / 1.) acetic acid, -2 deg C, 1 h; 2.) 33 percent aq. acetic acid, 0 deg C, 15 min; 3.) 1 h 4: 1.5 M sulfuric acid, potassium dichromate / CHCl3 5: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 95 percent / sodium hydroxide / 30 h 2: sulfuric acid / 3 h / Heating 3: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: sulfuric acid / 3 h / Heating 2: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 1.) sodium nitrite, p-sulfanilic acid, sodium acetate; 3.) sodium dithionite, 2.5 percent sodium hydroxide / 1.) acetic acid, -2 deg C, 1 h; 2.) 33 percent aq. acetic acid, 0 deg C, 15 min; 3.) 1 h 2: 1.5 M sulfuric acid, potassium dichromate / CHCl3 3: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme

1: 1.5 M sulfuric acid, potassium dichromate / CHCl3 2: 66 percent / bromine / CHCl3 / 24 h / Ambient temperature View Scheme