反应详情

To a solution of 4-(trifluoromethyl)benzenecarboximidamide hydrochloride (2.60 g, 10.0 mmol) and perchloromethyl mercaptan (1.07 ml, 10.0 mmol) in dichloromethane (10 ml) was added dropwise a solution of sodium hydroxide (1.60 g, 40.0 mmol) in water (4 ml) under ice-cooling. Then, the reaction mixture was stirred under ice-cooling for 1 hour and at room temperature for 1 hour. The organic layer was separated, washed with water, and then dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the residue was purified by silica gel column chromatography (hexane:ethyl acetate=9:1) to give 770 mg (29.2%) of the desired product as an oil.

1. temperaturecooling
2. customThe organic layer was separated
3. washwashed with water
4. dry with materialdried over anhydrous magnesium sulfate
5. distillationThe solvent was distilled off under reduced pressure
6. customthe residue was purified by silica gel column chromatography (hexane:ethyl acetate=9:1)