HRID2108053

反应详情

EQUATION

反应方程式

HRID 2108053 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

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

  1. temperatureto cool
  2. customprecipitation with water