HRID127402

反应详情

EQUATION

反应方程式

HRID 127402 的结构方程式

PROCEDURE

实验过程

190 g of thionyl chloride and 153 g of 7-dimethylsulfamoyl-1,4-benzodioxane-5-carboxylic acid were introduced into a balloon flask provided with a condenser. The mixture was heated and then the excess thionyl chloride was distilled off. 163 g of 7-dimethylsulfamoyl-1,4-benzodioxane-5-carbonyl chloride were obtained (M.P.: 160°-162° C.; yield: 100%).

WORKUP

后处理

  1. customprovided with a condenser
  2. temperatureThe mixture was heated
  3. distillationthe excess thionyl chloride was distilled off