反应详情

1-[5-bromo-3-(tert-butyl)-2-methoxyphenyl]piperazine (550 mg), potassium carbonate (302 mg), dimethylformamide (7 ml) and bromoacetonitrile (0.12 ml) were combined and the mixture was stirred at room temperature for 4 hours. The reaction mixture was diluted with ethyl acetate, the insoluble portion was filtered off, and the concentrated residue was purified by silica gel column chromatography (solvent: n-hexane-ethyl acetate) to yield the title compound (480 mg) as colorless crystals (78%).

1. filtrationthe insoluble portion was filtered off
2. customthe concentrated residue was purified by silica gel column chromatography (solvent: n-hexane-ethyl acetate)