反应详情

77 mg (0.40 mmol) 4-methyl-2-oxo-2,3-dihydrobenzo[d]oxazol-6-ylboric acid were dissolved in 2.0 mL glacial acetic acid and mixed with 0.20 mL (2.3 mmol) hydrogen peroxide solution (35% in water) and stirred briefly. The reaction mixture was left to stand for 1 h at RT. The precipitate formed was suction filtered, washed with water and dried i. vac.

1. waitThe reaction mixture was left
2. customThe precipitate formed
3. filtrationfiltered
4. washwashed with water
5. customdried i