1: NaOH / methanol / 20 h / 20 °C 2: toluene / 2 h / Heating 3: 75 percent / aq. LiOH / 2.5 h / 60 °C 4: 45 percent / phenylalanine ammonia-lyase / various solvent(s) / 48 h / 30 °C / pH 8.8 View Scheme

barium dihydroxide; water Erwaermen des erhaltenen Barium-Salzes mit wss. Schwefelsaeure;