反应详情

温度

180 °C

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.

1. temperatureto cool to room temperature
2. filtrationis then filtered
3. washThe residue is washed with dichloromethane