Boron tribromide → HCID 67448171, compound

Participants

Reaction Steps

Following General Procedure F, 2-fluoro-N-(2-hydroxyethyl)-4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)benzenesulfonamide (52 mg, 0.12 mmol) was reacted with tribromoborane (0.80 mL, 0.23 mmol) to afford the desired product (47 mg, 81%) as a white solid: 1H NMR (500 MHz, DMSO-d6) δ 11.86 (s, 1H), 9.52 (s, 1H), 8.45 (t, J=5.7 Hz, 1H), 7.92 (t, J=7.8 Hz, 1H), 7.80 (d, J=5.5 Hz, 1H), 7.46 (d, J=10.9 Hz, 1H), 7.42 (d, J=8.9 Hz, 1H), 7.30 (dd, J=8.0, 1.4 Hz, 1H), 7.19 (d, J=9.0 Hz, 1H), 6.00 (d, J=5.4 Hz, 1H), 3.53 (t, J=6.3 Hz, 2H), 3.42 (q, J=6.0 Hz, 2H); ESI MS m/z 499 [C19H14BrFN2O4S2+H]+; HPLC 98.3% (AUC), tR=15.61 min.

Provenance & Evidence