Trifluoroacetic acid → HCID 178467121, compound

Participants

Reaction Steps

Following general procedure IV-2, tert-butyl [1-(trans-4-{[3-acetyl-6-(3-chloro-5-fluoro-4-hydroxyphenyl)-1,5-naphthyridin-4-yl]amino}cyclohexylamino)-3-methyl-1-oxobutan-2-yl]carbamate (0.19 mmol) was reacted with TFA (2 mL) followed by formation of the dihydrochloride salt to afford the desired product (35 mg, 30% over two steps) as an off-white solid: 1H NMR (500 MHz, CD3OD) δ 9.14 (s, 1H), 8.44 (d, J=9.0 Hz, 1H), 8.33 (d, J=9.0 Hz, 1H), 8.00 (s, 1H), 7.87 (dd, J=11.4, 2.2 Hz, 1H), 5.63-5.57 (m, 1H), 3.88-3.83 (m, 1H), 3.62 (d, J=6.0 Hz, 1H), 2.76 (s, 3H), 2.51-2.40 (m, 2H), 2.10-2.12 (m, 3H), 1.81-1.53 (m, 4H), 1.08 (t, J=7.4 Hz, 6H); ESI MS m/z 528 [M+H]+; HPLC 98.9% (AUC), tR=9.99 min.

Provenance & Evidence