反应详情

To a solution of tert-butyl (2-oxo-1,2-dihydro-pyridin-4-ylmethyl)-carbamate (0.13 g, 0.58 mmol) in dichloromethane (5 mL) is added trimethylphenylstannane (210 μL, 1.2 mmol), followed successively by copper (II) acetate (0.12 g, 0.64 mmol) and tetra-n-butylammonium fluoride (1.0 M solution in tetrahydrofuran, 1.2 mL). The reaction mixture is stirred for 2 days at room temperature and then is quenched by the addition of methanolic ammonia (2 M, 4 mL). The reaction mixture is concentrated and then purified by flash silica gel chromatography (methanol/chloroform) to give tert-butyl (2-oxo-1-phenyl-1,2-dihydropyridin-4-ylmethyl)-carbamate (88 mg, 52%).

1. customis quenched by the addition of methanolic ammonia (2 M, 4 mL)
2. concentrationThe reaction mixture is concentrated
3. custompurified by flash silica gel chromatography (methanol/chloroform)