Acetic Acid → HCID 22337641, compound

Participants

Reaction Conditions

Reaction Steps

5-Nitro-3-isoquinolinol (3.40 g, 17.9 mmol) in acetic anhydride (40 mL) was treated with acetic acid (5 mL) and pyridine (5 mL) and heated at 120° C. for 2 hours. The mixture was cooled to room temperature and concentrated under reduced pressure to provide the title compound which was used in the next step without further purification. MS (ESI+) m/z 233 (M+H)+; MS (ESI−) m/z 231 (M−H)−; 1H NMR (DMSO, 300 MHz) isomers δ 2.39 (s, 3H), 7.88 (m, 1H), 8.27 (m, 1H), 8.50 (m, 1H), 8.65, 8.74 (d, J 7.8, 1H), 9.47, 9.55 (s, 1H).

Provenance & Evidence