Trifluoroacetic acid → HCID 90312907, compound

Participants

Reaction Steps

Trifluoroacetic acid (0.5 mL) was added to a solution of tert-butyl N-{[4′-(2-aminopyrimidin-5-yl)-3′-fluorobiphenyl-2-yl]sulfonyl}-L-alaninate (80 mg, 0.17 mmol) in DCM (1 mL) at rt. After 2 hours, the solution was concentrated to dryness and purified by HPLC to afford the title compound (70 mg, 89%). MS (ESI): mass calcd. for C19H17FN4O4S, 416.10; m/z found, 417.1 [M+H]+. 1H NMR (500 MHz, CD3OD) δ 8.72 (s, 2H), 8.10 (dd, J=8.0, 1.2, 1H), 7.66 (m, 1H), 7.61-7.53 (m, 2H), 7.37 (m, 3H), 3.73 (q, J=7.2, 1H), 1.31 (d, J=7.2, 3H).

Provenance & Evidence