Nitric Acid → HCID 178526762, compound

Participants

Reaction Conditions

Reaction Steps

4-Hydroxyquinoline (26.2 g, 0.18 mol) was added to propionic acid (250 mL) and the solution was heated to about 125° C. Nitric acid (16.0 mL of a 70 percent aqueous solution, 0.36 mol) was added dropwise with stirring. When the addition was complete, the mixture was stirred at about 125° C. for 10 minutes, then allowed to cool to room temperature. The mixture was diluted with ethanol. The precipitated solid was filtered, washed sequentially with ethanol, water, and ethanol, and dried to afford 3-nitro-4-hydroxyquinoline (27.7 g, 86%) as a light yellow powder.

Provenance & Evidence