反应详情

温度

100 °C

A mixture of 2-bromo-4-fluorobenzaldehyde (2 g, 9.85 mmol), (4-(trifluoromethyl)phenyl)boronic acid (2.25 g, 11.82 mmol), potassium acetate (2.42 g, 24.63 mmol) and Pd(PPh3)4 (1.14 g, 0.98 mmol) in DMF (40 mL) and water (13 mL) was stirred at 100° C. for 3 hours under N2, then cooled to 25° C. To the mixture was added EtOAc (250 mL). The organic layer was washed with brine (200 mL×3), dried over Na2SO4 and filtered. The filtrate was concentrated in vacuo. The residue was purified by a silica gel column chromatography (PETROLEUM ETHER/EtOAc (V/V)=70/1) to give the title compound as colorless oil (2.11 g, 79%). The compound was characterized by the following spectroscopic data:

1. temperaturecooled to 25° C
2. washThe organic layer was washed with brine (200 mL×3)
3. dry with materialdried over Na2SO4
4. filtrationfiltered
5. concentrationThe filtrate was concentrated in vacuo
6. customThe residue was purified by a silica gel column chromatography (PETROLEUM ETHER/EtOAc (V/V)=70/1)