Trifluoroacetic acid → HCID 59436448, compound

Participants

Reaction Steps

To a stirred solution of (S)-tert-butyl 4,4-difluoro-2-(pyrazin-2-ylcarbamoyl)pyrrolidine-1-carboxylate 116B (1.6 g, 4.87 mmol) in CH2Cl2(30 mL) was added trifluoroacetic acid (7.24 mL, 97 mmol). The mixture was stirred for 4 hrs, the solvent was evaporated to dryness and the residue 116C was used in the next reaction without further purification. LC/MS [M+H]+: 229; Ret time (Method F): 0.61 min.

Provenance & Evidence