反应详情

A mixture of 4'-cyano-2'-(2,4-difluorophenoxy)methanesulfonanilide (1.5 g) and Raney's Nickel (1.5 g) in 75% formic acid (40 ml) was refluxed for 2 hours. The mixture was filtered and the filtrate was concentrated to dryness. The residue was recrystallized from ethanol to give pale yellow needles of 2'-(2,4-difluorophenoxy)-4'-formylmethanesulfonanilide (1.4 g).

1. temperaturewas refluxed for 2 hours
2. filtrationThe mixture was filtered
3. concentrationthe filtrate was concentrated to dryness
4. customThe residue was recrystallized from ethanol