Hydrochloric Acid → HCID 22623980, compound

Participants

Reaction Steps

A mixture of potassium carbonate (0.4 g, 2.9 mmol) and 2-hydroxy-5-(2-acetoxy-ethoxy)-benzo[de]isoquinoline-1,3-dione (0.3 g, 1.0 mmol, from Example 23) in methanol (20 mL) was stirred for 2 hours. The mixture was acidified with 1N HCl to pH 4. The precipitate formed was filtered, washed with water, and dried to give 0.2 g of the title compound, mp 242-244° C.;

Provenance & Evidence