2,5-Hexanedione → HCID 23154931, compound

Participants

Reaction Steps

In 50 mL of toluene, 3.6 g (15 mmol) of 4-bromo-3-(trifluoromethyl)aniline was dissolved, and 2.06 g (18 mmol) of 2,5-hexanedione and 54 mg (0.28 mmol) of p-toluenesulfonic acid-hydrate were added thereto and the mixture solution was refluxed with stirring for two hours. The reaction solution was partitioned between a saturated sodium bicarbonate solution and ethyl acetate and the organic layer was washed with a saturated sodium chloride solution and concentrated under reduced pressure. The obtained residue was purified by a silica gel column (n-hexane:ethyl acetate=9:1) to obtain 4.66 g (97%) of a target product as a pale yellow oil.

Provenance & Evidence