HRID435858

反应详情

EQUATION

反应方程式

HRID 435858 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

A mixture of 7.31 parts of 6-[2-hydroxy-3-(2-propylphenoxy)propoxy]-4-oxo-4H-1-benzopyran-2-carboxylic acid and 1.54 parts of sodium bicarbonate in 100 parts of water, was heated to effect solution. The solution was filtered and freeze dried to yield 7.5 parts of sodium 6-[2-hydroxy-3-(2-propylphenoxy)propoxy]-4-oxo-4H-1-benzopyran-2-carboxylate, hemihydrate.

WORKUP

后处理

  1. temperaturewas heated
  2. filtrationThe solution was filtered
  3. customfreeze dried