Hydrochloric Acid → 3-(Dimethylamino)-1-(3-(trifluoromethyl)phenyl)propan-1-one hydrochloride

Participants

Reaction Steps

A mixture of 1-(3-(trifluoromethyl)phenyl)ethanone (25.0 g) (II), dimethylamine hydrochloride (13.0 g), paraformaldehyde (4.8 g), 31% w/w aqueous hydrochloric acid (0.5 mL) in ethanol (70 mL) was stirred at reflux temperature for 24 hrs, then cooled down and the solvent flushed with toluene (50 mL). The precipitated pale yellow solid was then filtrated, washed with toluene and dried to give the title compound (IV) (28.0 g).

Provenance & Evidence