Methanol → 3-(3-Bromo-4-methoxyphenyl)propanoic acid

Beteiligte Stoffe

Reaktionsschritte

154 g (0.535 mol) of ethyl3-(3-bromo-4-methoxyphenyl)propanoate are mixed with 45 g (0.8 mol) of potassium hydroxide, 600 ml of methanol and 300 ml of water. The mixture is heated at reflux for 3 hours, and the methanol is then evaporated off. The solution obtained is washed with ether; the aqueous phase is acidified and extracted with ether. The organic phase is dried (Na2SO4), and the solvents are evaporated off: white solid (132.7 g; 96%).

Herkunft & Nachweise