反应详情

In a glass-stoppered bottle, a solution of 2-ethyl-6-methylaniline (15.0 g, 0.111 mole) in glacial acetic acid (95 ml) was cooled to 13° C. and 3-bromo-propionyl chloride (21.1 g, 0.122 mole) was added. The mixture was mixed and was combined immediately with a cooled (3° C.) solution of sodium acetate trihydrate (36.9 g) in water (150 ml). The mixture was shaken vigorously for 30 min. The white product that formed was filtered off, washed carefully with water, and dried. This product, i.e., 3-bromo-2'-ethyl-6'-methylpropionanilide (27.4 g, 91%), melted at 149°-150° C. and was sufficiently pure for the next step.

1. additionThe mixture was mixed
2. customThe white product that formed
3. filtrationwas filtered off
4. washwashed carefully with water
5. customdried