反应详情

II (160 g - 0.8 mole) was added portionwise with stirring at 60° C to 720 g of 50 % by weight aqueous ethylamine. The mixture was cooled, the precipitate was collected and crystallized from the monomethyl ether of ethylene glycol (5 ml per gram of dried product).

1. temperatureThe mixture was cooled
2. customthe precipitate was collected
3. customcrystallized from the monomethyl ether of ethylene glycol (5 ml per gram of dried product)