反应详情

2-Methyl-5-phenyl-benzoxazole 48 (1.05 g, 5.0 mmol), N-bromosuccinimide (89 mg, 5.0 mmol) and azodiisobutyronitrile (AIBN) (41 mg, 0.25 mmol) in 1 ml of CCl4 was heated to reflux. After 5 hrs an additional 50 mg AIBN were added and the mixture was refluxed overnight. The mixture was diluted, washed with water, dried and concentrated. The crude product was chromatographed to give about 465 mg 2-bromomethyl-5-phenyl-benzoxazole 49.

1. temperaturethe mixture was refluxed overnight
2. additionThe mixture was diluted
3. washwashed with water
4. customdried
5. concentrationconcentrated
6. customThe crude product was chromatographed