HRID1703836

反应详情

EQUATION

反应方程式

HRID 1703836 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

10 g of powdered 4-(4-chloro-3-sulfamoylphenyl)-3-methyl-2-methylimino-1,3-thiazolidine-4-ol-hydrobromide were dissolved in 500 ml of water at 50° C., while stirring, 100 ml of saturated sodium bicarbonate solution were added and the solution was thoroughly stirred for 2 hours at 5°-10° C., 4-(4-chloro-3-sulfamoylphenyl)-3-methyl-2-methylimino-1,3-thiazolidine-4-ol was filtered off and washed several times with water. Melting point: 187°-188° C. (decomposition).

WORKUP

后处理

  1. stirringthe solution was thoroughly stirred for 2 hours at 5°-10° C.
  2. filtration4-(4-chloro-3-sulfamoylphenyl)-3-methyl-2-methylimino-1,3-thiazolidine-4-ol was filtered off
  3. washwashed several times with water