Hydrochloric Acid → HCID 19886232, compound

Participants

Reaction Conditions

Reaction Steps

A solution of sodium nitrite (3.6 g) in water (18 ml) was added dropwise to an ice-salt cooled solution of 4-fluoro-2-nitroaniline 7 g) in conc. hydrochloric acid (45 ml) over a 30 minutes interval. The mixture was stirred at 0° C. for 30 minutes. Then to the mixture was added dropwise a solution of stannous chloride dihydrate (28.6 g) in conc. hydrochloric acid (24 ml) below 5° C. over an hour interval. The precipitates were collected by filtration and washed with ether to give crystals of 4-fluoro-2-nitrophenylhydrazine hydrochloride 4.4 g).

Provenance & Evidence