Trifluoroacetic acid methylene chloride → HCID 67414694, compound

Participants

Reaction Steps

tert-butyl 4-[4-(1-{[4-(acetyloxy)phenyl]amino}vinyl)phenyl]piperazine-1-carboxylate (0.1 M) in a solution of DCM/TFA (2/3) was stirred at RT for 30 min. The organic solvent was evaporated in vacuo and the crude residue was scratched with Et2O. The resultant white solid precipitate was filtered off to afford the title compound (95%); MS (ES+) m/z 339 (M+H)+

Provenance & Evidence