反应 #8647

反应方程式

1-(4-nitrophenyl)[1,4]diazepane

potassium carbonate

chloroacetyl chloride

→

yellow crystals

收率 75.2%

2-chloro-1-[4-(4-nitrophenyl)[1,4]diazepan-1-yl]ethanone

收率 75.2%

溶剂

dimethylformamide

反应条件

后处理

1. 1
   温度while maintaining the temperature between 15 and 25° C
2. 2
   workup.ADDITION400 g of slightly hydrochloric ice-cold water were added to the mixture
3. 3
   其他a yellow gum crystallized
4. 4
   过滤After filtering off by suction
5. 5
   洗涤washing with water
6. 6
   干燥drying under vacuum over phosphorus pentoxide

实验过程

22.1 g (0.1 mol) of 1-(4-nitrophenyl)[1,4]diazepane, 8.3 g (0.06 mol) of potassium carbonate and 120 ml of dimethylformamide were mixed together in a reactor. 8.3 ml (0.11 mol) of chloroacetyl chloride were added to this stirred suspension, while maintaining the temperature between 15 and 25° C. After stirring for about ten hours at room temperature, 400 g of slightly hydrochloric ice-cold water were added to the mixture: a yellow gum crystallized. After filtering off by suction, washing with water and drying under vacuum over phosphorus pentoxide, 22.4 g of yellow crystals were obtained (yield=75%).

来源