Triethylamine → 1-Tert-butyl-4-(4-nitrophenyl)piperazine

Participants

Reaction Steps

A solution of 800 mg (5.67 mmol) of 1-fluoro-4-nitrobenzene, 2.07 g (1.2 mmol) of 1-tert-butylpiperazine dihydrobromide and 3.2 mL (20.41 mmol) of triethylamine, in 22 mL of acetonitrile, was refluxed for 10 hours. The mixture was cooled to room temperature, diluted with water and extracted with dichloromethane. The organic layer was washed with water and brine, dried over Na2SO4 and evaporated. Purification by flash chromatography (eluant dichloromethane/methanol 7/3) yielded 860 mg of the title compound as yellow solid.

Provenance & Evidence