Boron tribromide → HCID 67448210, compound

Participants

Reaction Steps

Following General Procedure F, 8-methoxy-9-{4-[(methylamino)methyl]phenyl}thieno[2,3-c]quinolin-4(5H)-one (100 mg, 0.29 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 1.7 mL, 1.7 mmol) to afford the desired product (28 mg, 30%) as a white solid: 1H NMR (500 MHz, CD3OD) δ 7.65 (d, J=8.1 Hz, 2H), 7.55 (d, J=5.4 Hz, 1H), 7.44-7.41 (m, 3H), 7.17 (d, J=8.9 Hz, 1H), 6.05 (d, J=5.4 Hz, 1H), 4.33 (s, 2H), 2.83 (s, 3H); ESI MS m/z 337 [C19H16N2O2S+H]+; HPLC >99% (AUC), tR=10.02 min.

Provenance & Evidence