Trifluoroacetic acid → HCID 67337580, compound

Participants

Reaction Steps

CF3CO2H (1 mL) was added to a solution of tert-butyl (2-oxo-2′,3′,5′,6′-tetrahydrospiro[indole-3,4′-pyran]-1(2H)-yl)acetate from Step B (55.0 mg, 0.173 mmol) in CH2Cl2 (3 mL). After 3 h, the mixture was concentrated in vacuo to give the title compound. MS: m/z=262 (M+1).

Provenance & Evidence