Boron tribromide → HCID 86689514, compound

Participants

Reaction Steps

Following General Procedure F, tert-butyl (1-(4-(6-chloro-8-methoxy-4-oxo-4,5-dihydrothieno[2,3-c]quinolin-9-yl)phenyl)cyclopropyl)methylcarbamate (50 mg, 0.09 mmol) was reacted with tribromoborane (1.0 M in methylene chloride, 0.58 mL, 0.58 mmol) to afford the desired product (19 mg, 48%) as a white solid: 1H NMR; (500 MHz, MeOD) δ 7.66-7.58 (m, 3H), 7.38-7.27 (m, 3H), 6.14 (d, J=5.4 Hz, 1H), 3.26 (s, 2H), 1.19 (t, J=5.5 Hz, 2H), 1.11 (t, J=5.5 Hz, 2H); ESI MS m/z 397 [C21H17ClN2O2S+H]+; HPLC 98.4% (AUC), tR=9.24 min.

Provenance & Evidence