Benzyl chloroformate → HCID 68862532, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of tert-butyl (3S)-4-fluoro-3-methyl-1-[(1R)-1-phenylethyl]-pyrrolidine-3-carboxylate isomer B (1.55 g, 5.04 mmol) in dichloromethane (30 mL), benzyloxycarbonyl chloride (1.08 mL, 7.56 mmol) was added, and the mixture was stirred in an oil bath at 60° C. for 24 hours. After concentrating the reaction mixture under reduced pressure, the residue was purified by silica gel column chromatography (elusion by hexane:ethyl acetate, 20:1→3:2) to obtain 1.38 g (81%) of the title compound (isomer B) as a colorless oily substance.

Provenance & Evidence