反应详情

温度

100 °C

To a solution of 3,4-dimethyl-benzene-1,2-diamine (67.5 g, 496 mmol) in 5N HCl (250 mL) was added oxalic acid dihydrate (69.3 g, 550 mmol). The reaction mixture was heated to 100° C. under stirring. The reaction mixture was stirred for 8 hours and cooled to room temperature. The dark precipitate was filtered, washed, and dried.

1. stirringThe reaction mixture was stirred for 8 hours
2. temperaturecooled to room temperature
3. filtrationThe dark precipitate was filtered
4. washwashed
5. customdried