反应详情

温度

-20 °C

Methyl 2-({4-[3-(4-hydroxyphenoxy)propyl]phenoxy}methyl)benzoate (0.32 g, 0.81 mmol) was dissolved in dichloromethane (10 ml) and cooled to −20° C. Triethylamine (0.123 g, 1.22 mmol) was added drop wise and methanesulfonyl chloride (0.10 g, 0.89 mmol) was added drop wise. The ice bath was removed and the mixture was wormed to room temperature. Diethyl ether (5 ml) was added and the precipitate was filtered off. The organic phase was washed with two portions of brine (5 ml) and dried (MgSO4). Removing the solvent by evaporation gave 0.37 gram of methyl 2-{[4-(3-{4-[(methylsulfonyl)oxy]-phenoxy}propyl)phenoxy]methyl}benzoate (yield 97.3%).

1. customThe ice bath was removed
2. customwas wormed to room temperature
3. additionDiethyl ether (5 ml) was added
4. filtrationthe precipitate was filtered off
5. washThe organic phase was washed with two portions of brine (5 ml)
6. dry with materialdried (MgSO4)
7. customRemoving the solvent
8. customby evaporation