Dimethyl Sulfate → HCID 11847313, compound

Participants

Reaction Conditions

Reaction Steps

(3R)-1-BOC-3-hydroxypyrrolidine (1 g, 5.34 mmol) was dissolved in diethylether (50 ml), and filled with nitrogen. The reaction mixture was cooled to −78° C., N,N,N,N′-tetramethylethylenediamine (620 mg, 5.34 mmol) was added, and sec-butyllithium (1.4M cyclohexane solution 4.45 ml, 6.23 mmol) was slowly added. After being stirred for 30 min at the same temperature, dimethylsulfate (1.44 g, 10.68 mmol) was dissolved in diethylether (10 ml). The reaction solution was slowly heated to rt, diluted with water (12 ml), and extracted with diethylether. The organic extracts were dried over MgSO4, and the residue was purified by column chromatography (eluent, EtOAc/Hex=1/4) to give the title compound (840 mg, 70%).

Provenance & Evidence