Trifluoroacetic acid → HCID 57826375, compound

Participants

Reaction Steps

1,1-Dimethylethyl[2-({[5-(1-ethyl-1H-pyrazol-5-yl)-2-thienyl]carbonyl}amino)-3-phenylpropyl]carbamate (74 mg, 0.16 mmol) was dissolved in DCM (2 mL) and treated with TFA (1 mL). After 1 h, the solution was concentrated and neutralized through silica using 4% MeOH in DCM (1% NH4OH). The title compound was further purified using reverse-phase HPLC (C18 column: H2O/CH3CN, 40-10%) affording the bis-TFA salt of the title compound (47 mg, 50%) as a white solid: LCMS (ES) m/z 355 (M+H)+, 1H NMR (d4-MeOD, 400 MHz) δ ppm 7.71 (d, J=3.8 Hz, 1H), 7.55 (d, J=2.0 Hz, 1H), 7.34-7.22 (m, 6H), 6.51 (d. J=1.8 Hz, 1H), 4.55 (m, 1H), 4.34 (q, J=7.1 Hz, 2H), 3.22 (dd, J=3.5, 13.1 Hz, 1H), 3.13 (dd, J=10.1, 13.1 Hz, 1H), 3.00 (m, 2H), and 1.42 (t, J=7.1 Hz, 3H).

Provenance & Evidence