Boron tribromide → HCID 68229861, compound

Participants

Reaction Steps

Following General Procedure F, N-[4-(8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)-2-methylphenyl]methanesulfonamide (47 mg, 0.11 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 3.0 mL, 3.0 mmol) to afford the desired product (17 mg, 39%) as an off-white solid: 1H NMR (500 MHz, CD3OD) δ 7.58 (d, J=5.4 Hz, 1H), 7.55 (d, J=8.1 Hz, 1H), 7.39 (d, J=8.9 Hz, 1H), 7.21 (s, 1H), 7.17-7.14 (m, 2H), 6.10 (d, J=5.4 Hz, 1H), 3.40 (s, 3H), 2.43 (s, 3H); ESI MS m/z 401 [C19H6N2O4S2+H]+; HPLC 96.4% (AUC), tR=10.23 min.

Provenance & Evidence