Hydrogen Peroxide → Ibuprofen, (+-)-

Participants

Reaction Steps

The procedure of Example 5(ii) was repeated using 7.1 g. of 3-methyl-3-(4-isobutylphenyl)-pyruvic acid obtained in Example 7(i), 50 ml of aqueous 8% sodium hydroxide and 4.5 ml of 30% aqueous hydrogen peroxide. 4.9 g. of 2-(4-isobutylphenyl)-propionic acid was afforded. mp. 75.0°-76.5°C. Yield 78% (based on the theoretical).

Provenance & Evidence