反应详情

To a solution of 2-piperidin-2-yl-ethanol (2.04 g in 50 mL methylene chloride) at 0° C. was added 2.64 mL of triethylamine and 5 mg N,N-dimethylaminopyridine. To the stirred solution, 2.45 mL of benzyl chloroformate was added dropwise and the reaction allowed to proceed at room temperature. After 2 hours, the mixture was diluted with ethyl acetate and washed sequentially with 10% aqueous sodium bisulfate, water and brine. The organic portion was dried over magnesium sulfate and purified by flash chromatography on silica gel (hexane:ethyl acetate, 70:30) to give the title compound (2.05 g).

1. customto proceed at room temperature
2. washwashed sequentially with 10% aqueous sodium bisulfate, water and brine
3. dry with materialThe organic portion was dried over magnesium sulfate
4. custompurified by flash chromatography on silica gel (hexane:ethyl acetate, 70:30)