反应详情

A mixture of 59 g. (0.185 mole) of 2,5-bis-(2,2,2-trifluoroethoxy)nitrobenzene, about 15 g. of Raney nickel and 1200 ml. of ethanol is hydrogenated by shaking on a Parr hydrogenation apparatus with a hydrogen pressure of 40 to 50 p.s.i. for about five hours. The mixture is filtered, and the filtrate is evaporated to a liquid residue. The residue is distilled to provide 2,5-bis(2,2,2-trifluoroethoxy)aniline as a clear, colorless liquid, b.p. 95°-98° C/0.35 mm Hg.

1. additionA mixture of 59 g
2. filtrationThe mixture is filtered
3. customthe filtrate is evaporated to a liquid residue
4. distillationThe residue is distilled