Trifluoroacetic acid → HCID 57275427, compound

Participants

Reaction Steps

Dissolve 3-[(phenacyl)ethylamino]-2-carbethoxy-4,6-dichloro-1-tert-butyloxycarbonyl-indole (0.79 g, 1.57 mmol) in methylene chloride (5 mL) and add, by dropwise addition, trifluoroacetic acid (5 mL). Stir for 4 hours and pour carefully into saturated sodium hydrogen carbonate (100 mL). Extract into ethyl acetate, dry (MgSO4) and evaporate the solvent in vacuo to give as yellow oil. Recrystallize (ethyl acetate/hexane) to give the title compound (0.23 g, 36%); mp 203°-5° C.

Provenance & Evidence