反应详情

To a solution of 0.97 g (5.4 mmol) of 4-bromomethyl tetrahydropyran in DMF (9.7 mL) were added 1.27 g (11.2 mmol) of potassium thioacetate. The reaction was stirred at room temperature for 3 h. Diethyl ether (100 mL) was added and the reaction mixture was washed with saturated aqueous NaHCO3 solution (2×25 mL) and brine (25 mL). The organic layer was dried over Na2SO4, filtered and concentrated under reduced pressure. The residue was purified by column chromatography (silica, eluent: heptanes, 10% ethyl acetate) to afford 0.81 g of thioacetic acid S-(tetrahydro-pyran-4-ylmethyl)ester.

1. washthe reaction mixture was washed with saturated aqueous NaHCO3 solution (2×25 mL) and brine (25 mL)
2. dry with materialThe organic layer was dried over Na2SO4
3. filtrationfiltered
4. concentrationconcentrated under reduced pressure
5. customThe residue was purified by column chromatography (silica, eluent: heptanes, 10% ethyl acetate)