反应详情

温度

2 °C

To a solution of 1.2 g (5 mmol) of 4-(benzofuran-2-yl)methyl-benzonitrile in 25 ml methylene chloride, a solution of 0.8 g (5 mmol) of bromine in 5 ml carbon tetrachloride is added dropwise at 2° C. The solution is stirred for 90 minutes at 2° C., the precipitate formed is suction filtered, washed with a little methylene chloride and dried.

1. customthe precipitate formed
2. filtrationfiltered
3. washwashed with a little methylene chloride
4. customdried