反应详情

A mixture of (S)-(−)-3-[[2-oxo-3-[4-(4-piperidinyl)-3-fluorophenyl]-5-oxazolidinyl]methyl]acetamide (EXAMPLE 20, 150 mg), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (171 mg) and formic acid (34 μL) in dry tetrahydrofuran (6 mL) is stirred at ambient temperature for one hour, diluted with methylene chloride (10 mL), washed with water (10 mL) and saline (10 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure, and the residue is recrystallized from methylene chloride/diethyl ether to give the title compound, mp 186-187° C.

1. washwashed with water (10 mL) and saline (10 mL)
2. dry with materialdried over anhydrous sodium sulfate
3. concentrationconcentrated under reduced pressure
4. customthe residue is recrystallized from methylene chloride/diethyl ether