反应详情

Add copper (I) iodide (45.0 mg, 0.24 mmol), bis(triphenylphosphine)palladium (II) dichloride (147.4 m g, 0.21 mmol) and triethylamine (2.37 mL, 16.8 mmol), to a solution of 1-bromo-3-trifluoromethoxybenzene (0.62 mL, 4.15 mmol) and trimethylsilylacetylene (0.78 mL, 5.4 mmol), in ethyl acetate (4 mL) and stir at 50° C. for 18h. Cool the reaction mixture to room temperature, concentrate and purify by silica gel chromatography, eluting with hexanes to give the title compound (1.07 g, 100%).

1. concentrationconcentrate
2. custompurify by silica gel chromatography
3. washeluting with hexanes