HRID2108053
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 hot solution of 27 g of 6-hydroxy-4'-methoxyflavanone and 13.6 g of anisaldehyde in 1,400 ml of ethanol is saturated with HCl and is left for 3 hours to cool; precipitation with water gives 3-p-methoxybenzylidene-6-hydroxy-4'-methoxyflavanone, m.p. 199°-201°.
WORKUP
后处理
- temperatureto cool
- customprecipitation with water