1-Benzyl-3-pyrrolidinone → HCID 66661626, 화합물

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To a solution of N-(tert-butyl)benzenesulfonamide (536 mg, 0.00251 mol) in ether (10 mL, 0.1 mol) was added 1.7 M of tert-butyllithium in pentane (4.4 mL) under nitrogen at −78° C. The mixture was stirred at −78 Celsius for 15 min, then at 0 Celsius for 1 hour, and then cooled down to −78 Celsius again. A solution of 1-benzylpyrrolidin-3-one (400.0 mg, 0.002283 mol) in ether (3 mL) was added to the above solution. The reaction solution was stirred at ±78 Celsius for 2 hours, then quenched with saturated NH4Cl aqueous solution, and then extracted with EtOAc. The organic phase was washed with brine, then dried over MgSO4. The residue was purified by flash chromatography on silica gel column with 30% AcOEt in hexanes to give the desired compound (350 mg, 39% yield). MS (ESI): 389.1 (M+

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