bromine in acetic acid 2 h;

1: 1.8 g / pyridine hydrobromide perbromide / acetic acid / 0.5 h / 55 °C 2: 5 g / anhydrous potassium carbonate / acetone / 12 h / Heating 3: 400 mg / decahydronaphthalene / 3 h / Heating 4: pyridine 5: 180 mg / bromine / acetic acid / 2 h View Scheme

1: pyridine 2: 180 mg / bromine / acetic acid / 2 h View Scheme

1: 400 mg / decahydronaphthalene / 3 h / Heating 2: pyridine 3: 180 mg / bromine / acetic acid / 2 h View Scheme

1: 5 g / anhydrous potassium carbonate / acetone / 12 h / Heating 2: 400 mg / decahydronaphthalene / 3 h / Heating 3: pyridine 4: 180 mg / bromine / acetic acid / 2 h View Scheme