Trifluoroacetic acid → HCID 58966608, compound

Participants

Reaction Steps

At 0° C., a solution of (B4) (2.2 g, 6.1 mmol) in dichloromethane (20 ml) was treated with TFA (10 ml) for 1 hour, concentrated, co-evaporated with acetonitrile and dissolved in dichloromethane. The resulting solution washed with a mixture of brine (ca. 100 ml) and 6N NaOH (3 ml), dried over Na2SO4 and concentrated to give (S)-N-(3,4-dihydro-2H -spiro[naphthalene-1,4′-piperidine]-4-yl)acetamide (B5) as a white solid. LC-MS: m/e=258.9 (M+H). Rt=0.96 min. The crude was used directly for further reactions.

Provenance & Evidence