反应详情

tert-Butyl 4-{[5-(benzyloxy)-1-(phenylsulfonyl)-1H-indol-4-yl]methyl}piperazine-1-carboxylate (30 mg, 0.05 mmol, Intermediate 63) was stirred with a 50/50 mixture of TFA/dichlorometane (3 mL) in room temperature for four hours. The solvent was removed at reduced pressure and the crude was purified on a preparative HPLC, method B, to give 9.5 mg (40%) of a colorless oil. MS (ESI+) for C26H27N3O3S m/z 462 (M+H)+.

1. customThe solvent was removed at reduced pressure
2. customthe crude was purified on a preparative HPLC, method B