反应详情

The specific preparation is described as follows: dissolving 4,7-dibromo-2,1,3-benzothiadiazole in organic solvent such as ethanol, adding appropriate sodium borohydride at 0° C., then raising the temperature to room temperature, stirring for 12-24 hours, distilling organic solvent of reaction product, after adding water, washing with saline water, then extracting with diethyl ether, drying with anhydrous sodium sulfate. 3,6-dibromo-1,2-diaminobenzene is obtained after solvent is rotary dried.

1. customThe specific preparation
2. distillationdistilling organic
3. customsolvent of reaction product
4. washwashing with saline water
5. extractionextracting with diethyl ether
6. dry with materialdrying with anhydrous sodium sulfate