Hydrochloric Acid → 2-Naphthol

Participants

Reaction Conditions

Reaction Steps

To a mixture of 5.32 g (40 mmol) of aluminium chloride and 1.52 g (20 mmol) of thiourea 3.16 g (20 mmol) of 2-methoxynaphtalene of the formula (VII) is added. The reaction mixture is heated to 90° C. and maintained at this temperature for 1 hour. The mixture is then cooled to room temperature and 20 ml of 5 wt % hydrochloric acid is added. The precipitated product is filtered, washed and dried to give 2.58 g (89.5 %) of 2-hydroxynaphthalene.

Provenance & Evidence