HRID444096
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
PROCEDURE
实验过程
The product of stage (b) (4.2 g) was added dropwise to excess aqueous ammonia with stirring and ice cooling. After 1 hour the white precipitate was filtered off and recrystallised from ethanol to give 1.1 g of title product, mp 136°-138° C.
WORKUP
后处理
- filtrationAfter 1 hour the white precipitate was filtered off
- customrecrystallised from ethanol