反应详情

After adding 2-furoyl chloride (0.14 mL, 1.4 mmol) dropwise to a solution of 1-(3-tert-butyldimethylsiloxy-3-cyclohexylpropyl)-4-(5-methylpyridin-2-yl)aminopiperidine (423 mg, 0.95 mmol) and triethylamine (0.264 mL) in methylene chloride (4 mL) while cooling on ice, the mixture was stirred at room temperature for 18 hours. NH silica Chromatorex DM1020 was added to the reaction mixture, which was then concentrated under reduced pressure. The residue was purified by silica gel column chromatography (60 g NH silica Chromatorex DM2035, hexane:ethyl acetate=4:1) to obtain the title compound as an oil (458 mg) (89.4% yield).

1. temperaturewhile cooling on ice
2. additionNH silica Chromatorex DM1020 was added to the reaction mixture, which
3. concentrationwas then concentrated under reduced pressure
4. customThe residue was purified by silica gel column chromatography (60 g NH silica Chromatorex DM2035, hexane:ethyl acetate=4:1)