Trifluoroacetic acid → HCID 67447163, compound

Participants

Reaction Steps

Following General Procedure C, (E)-tert-butyl 1-[3-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)allyl]piperidin-4-ylcarbamate (40 mg, 0.085 mmol) was reacted with TFA (1 mL) to afford the desired product (15 mg, 86%) as a yellow solid: 1H NMR (500 MHz, CD3OD) δ 7.94 (d, J=5.3 Hz, 1H), 7.86 (d, J=5.3 Hz, 1H), 7.34 (d, J=9.1 Hz, 1H), 7.24 (d, J=9.1 Hz, 1H), 7.06 (d, J=16.0 Hz, 1H), 6.14-6.08 (m, 1H), 4.12 (d, J=7.1 Hz, 2H), 3.84 (br s, 2H), 3.55 (br s, 1H), 3.26 (br s, 3H), 2.38 (d, J=13.3 Hz, 2H), 2.12-2.07 (m, 2H), 1.35-1.31 (m, 1H), 0.96-0.90 (m, 1H); ESI MS m/z 370 [C20H23N3O2S+H]+; HPLC 95.6% (AUC), tR=6.78 min.

Provenance & Evidence