Boron tribromide → HCID 53472806, compound

Participants

Reaction Steps

Following General Procedure F, 9-{4-[2-(dimethylamino)ethyl]phenyl}-8-methoxythieno[2,3-c]quinolin-4(5H)-one (25 mg, 0.060 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.20 mL, 0.18 mmol) to afford the desired product (20 mg, 89%) as a yellow solid: 1H NMR (500 MHz, CD3CN+D2O) δ 7.55 (d, J=5.4 Hz, 1H), 7.43-7.41 (m, 3H), 7.22-7.18 (m, 3H), 5.99 (d, J=5.4 Hz, 1H), 3.00 (s, 4H), 2.56 (s, 6H); ESI MS m/z 365 [C21H20N2O2S+H]+; HPLC 98.3% (AUC), tR=9.24 min.

Provenance & Evidence