HRID224585
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
PROCEDURE
实验过程
A solution of 3 g of 5,6-diamino-3-methyl-1-phenyl-2,4-(1H, 3H)-pyrimidinedione XVIII in 25 ml of butyric anhydride was refluxed for 16 hours. After cooling, grey crystals were filtered off and recrystallized from 100 ml of ethanol. Yield 1.1 g NMR.
WORKUP
后处理
- temperatureAfter cooling
- filtrationgrey crystals were filtered off
- customrecrystallized from 100 ml of ethanol