反应详情

A solution of 15 g of ethyl p-{[2-(2,4-dichlorophenoxy)ethyl]amino}benzoate and 15 g of potassium hydroxide in 200 ml. of 95% ethanol is refluxed for 3 hours. The solution is cooled, diluted with water, acidified with concentrated hydrochloric acid and filtered. The solid is recrystallized from ethanol to give crystals, mp 203°-205° C.

1. temperatureThe solution is cooled
2. filtrationfiltered
3. customThe solid is recrystallized from ethanol
4. customto give crystals, mp 203°-205° C.