反应详情

A mixture of 0.1 mol of 4-octyloxy-2,3-difluoroaniline (prepared from the corresponding amide by a Hoffmann rearrangement), 0.1 mol of 0.1 mol of 4-propylbenzaldehyde, 0.01 mol of p-toluenesulfonic acid and 200 ml of toluene is heated at the boiling point for 2 hours using a water separator. Customary working up gives (4 -octyloxy-2,3-difluorophenyl)-4-propylbenzylideneamine.

1. temperatureis heated at the boiling point for 2 hours