Trifluoroacetic acid → HCID 66715951, compound

Participants

Reaction Steps

Following general procedure A-2, tert-butyl 4-(4-((6-(3-chloro-4-hydroxyphenyl)-3-(cyclopropanecarbonyl)quinolin-4-yl)amino)-1H-pyrazol-1-yl)piperidine-1-carboxylate (0.10 mmol) was reacted with TFA (2 mL) to afford the desired product (27 mg, 55% over 2 steps) as a yellow solid. 1H NMR (500 MHz, DMSO-d6) δ 10.99 (s, 1H), 9.12 (s, 1H), 8.18 (d, J=2.2 Hz, 1H), 8.02-7.96 (m, 1H), 7.92-7.86 (m, 2H), 7.45 (d, J=2.3 Hz, 1H), 7.41 (s, 1H), 7.28-7.22 (m, 1H), 7.01 (d, J=8.5 Hz, 1H), 4.24-4.14 (m, 1H), 3.06-2.99 (m, 2H), 2.94-2.85 (m, 1H), 2.62-2.53 (m, 2H), 1.95-1.89 (m, 2H), 1.83-1.71 (m, 2H), 1.02-0.97 (m, 4H). ESI MS m/z 488 [C27H26ClN5O2+H]+; HPLC>99% (AUC), tR=9.30 min.

Provenance & Evidence