Sulfuric Acid → 2-Amino-5-bromobenzenesulphonic acid

Participants

Reaction Conditions

Reaction Steps

A mixture containing 31 g (180 mmol) of 4-bromoaniline and 9.7 ml (220 mmol) of sulphuric acid in 200 ml of 1,2-dichlorobenzene is heated at 180° C. for 6 hours. The reaction medium is allowed to cool to room temperature and is then filtered. The residue is washed with dichloromethane.

Provenance & Evidence