chemical
Usage: Pharmaceutical intermediates. 4-Amino-3,5-dichloro- Α- Bromo Acetophenone is a compound used in organic synthesis. In the production method, 4-amino-3,5-dichloroacetophenone is dissolved in chloroform and heated to 65 ℃. Stir and add bromine dropwise. After adding, stir for a few minutes before adding ethanol and stir. Freeze, filter out the crystals, wash with chloroform, and dry at low temperature to obtain the finished product.
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