HRID275333

反应详情

EQUATION

反应方程式

HRID 275333 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

CONDITIONS

反应条件

温度
110 °C

PROCEDURE

实验过程

To 6-amino-3-methyl-5-(phenylmethylamino)pyrimidine-2,4-dione (24.6 g=0.1 mol) in DMF (125 ml) at 60° C. add triethyl orthoformate (75 ml=0.45 mol). Heat to 110° C. for 5 hr, cool in ice, filter, and wash with methanol, then ether, to obtain the title compound, m.p. 268°-71° C.

WORKUP

后处理

  1. temperaturecool in ice
  2. filtrationfilter
  3. washwash with methanol