Trifluoroacetic acid → HCID 67446660, compound

Participants

Reaction Steps

Following General Procedure C, tert-butyl 4-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl]piperazine-1-carboxylate (160 mg, 0.33 mmol) was reacted with TFA (4 mL) to afford the desired product (23 mg, 22%) as a light yellow solid: 1H NMR (500 MHz, DMSO-d6) δ 11.84 (s, 1H), 8.72 (s, 2H), 7.76 (d, J=5.4 Hz, 1H), 7.49 (d, J=9.0 Hz, 1H), 7.37 (d, J=9.1 Hz, 1H), 7.20-7.03 (m, 4H), 5.95 (d, J=5.4 Hz, 1H), 3.68 (s, 3H), 3.52-3.41 (m, 4H), 3.31 (s, 4H).

Provenance & Evidence