Benzoyl bromide → 2-(4-(3-Benzoyl-8-chloro-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinolin-1-yl)phenyl)-2-methylpropanenitrile

Participants

Reaction Conditions

Reaction Steps

Sodium hydride (22 mg, 0.557 mmol) was added to dry DMF (5 mL) in a nitrogen atmosphere. The reaction flask was cooled in an ice-bath to 0° C., and 2-(4-(8-chloro-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinolin-1-yl)phenyl)-2-methylpropanenitrile (Intermediate 2, 100 mg, 0.27 mmol) was added. After 15 minutes benzoyl bromide (61 mg, 0.33 mmol) was added, and the reaction mixture was heated at 50° C. for 24 hours. The reaction mixture was concentrated in vacuum. The crude product was purified by column chromatography (silica gel, 2.5% acetone in chloroform) to obtain the title compound. Yield: 30 mg (23%); 1H NMR (DMSO-d6, 300 MHz): δ 9.372 (s, 1H), 8.048-8.078 (d, 1H, J=9 Hz), 7.905-7.929 (d, 2H, J=7.2 Hz), 7.810-7.839 (d, 2H, J=8.7 Hz), 7.730-7.759 (d, 2H, J=8.7 Hz), 7.611-7.666 (m, 2H), 7.449-7.523 (m, 2H), 6.698-6.705 (d, 1H, J=2.1 Hz), 1.752 (s, 6H); MS: m/z 467 (M+).

Provenance & Evidence