Trifluoroacetic acid → HCID 66587773, compound

Participants

Reaction Steps

To a solution of tert-butyl 3-(2-(2-(2-(3-(carbamoyl)-N-methylbenzamido)ethoxy)ethoxy)ethoxy)propanoate (120 mg, 0.14 mmol, 1.00 equiv, 90%) in dichloromethane (10 mL) was added trifluoroacetic acid (2 mL) dropwise with stirring and the resulting solution was stirred for 2 h at room temperature. The reaction progress was monitored by LCMS. The resulting mixture was concentrated under vacuum and the crude product (100 mg) was purified by reverse phase HPLC eluting with a water/CH3CN gradient containing 0.05% TFA to afford 45 mg (45%) of a yellow solid. 1H-NMR (300 MHz, DMSO, ppm): 10.95 (s, 1H), 10.87 (s, 1H), 9.19 (s, 2H), 8.35-8.38 (t, 2H), 8.04-8.07 (d, J=9 Hz, 1H), 7.93 (s, 1H), 7.89 (s, 1H), 7.51-7.60 (m, 5H), 7.34 (s, 1H), 3.43-3.62 (m, 17H), 3.98 (s, 3H), 2.38-2.42 (t, J=6, 6 Hz, 2H), 1.51-1.71 (m, 6H). MS (ES, m/z): 739 [M+H]+.

Provenance & Evidence