Trifluoroacetic acid → HCID 178449529, compound

Participants

Reaction Steps

40 mg of 3-tert-butoxycarbonylamino-2,2-dimethylpropyl 4-{(E)-2-[5-(3-fluorophenyl)pyridin-2-yl]vinyl}-7,7-dimethyl-5-oxo-4,5,6,7,8,9-hexahydro-1H-pyrazolo[3,4-b]quinoline-3-carboxylate are dissolved in DCM (2.5 ml), admixed with TFA (2.5 ml) and stirred at RT for 3 h. The solvent is removed under reduced pressure, and the residue is suspended in toluene and concentrated by rotary evaporation once again. Yield: 63 mg; LC/MS (method J): m/z=543 (M+1); Rt=0.680 min

Provenance & Evidence