反应详情

2.57 g (10.0 mmol) 5-bromo-nicotinic acid chloride hydrochloride, 1.49 g (10.0 mmol) 4-methyl-3H-benzoxazol-2-one and 5.33 g (40.0 mmol) aluminium trichloride were heated to 125° C. with stirring for 1.5 h. After cooling to RT the mixture was mixed with ice water. The precipitate formed was suction filtered, washed with water and dried i. vac.

1. customThe precipitate formed
2. filtrationfiltered
3. washwashed with water
4. customdried i