HRID224585

反应详情

EQUATION

反应方程式

HRID 224585 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

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

  1. temperatureAfter cooling
  2. filtrationgrey crystals were filtered off
  3. customrecrystallized from 100 ml of ethanol