反应详情

温度

75 °C

A mixture of 1H-indole-2,3-dione (10.3 g, 70 mmol), 3,4-dichloroaniline (17.0 g, 70 mmol) was heated at 75° C. for 2 hours in a tightly sealed round bottom flask under argon and cooled to room temperature. The solid was recrystallized from CH2Cl2, giving the desired product (19.4 g, 90%).

1. temperaturecooled to room temperature
2. customThe solid was recrystallized from CH2Cl2