4-Hydroxybenzoic Acid → Benzoic acid, 4-(acetyloxy)-

Participants

Reaction Steps

To 20 g. of 4-hydroxybenzoic acid in suspension in 150 ml. of tetrahydrofuran (THF) and 150 ml. methylene chloride, 35 g. of triethylamine, 35 g. of acetic anhydride and 3 g. of 4-dimethylaminopyridine are added and the mixture refluxed for 30 minutes. The solvents are thereafter evaporated under reduced pressure and 6N hydrochloric acid is added to the residue. The resulting slurry is filtered, washed with water and dried, affording 20 g. of the captioned compound.

Provenance & Evidence