1: 80 percent / 40percent aq. NaOH / 0.5 h / 90 °C 2: 95 percent / hexamethylphosphoric triamide, phenyllithium / tetrahydrofuran; diethyl ether / 1.) -78 deg C, 30 min, 2.) reflux, 1 h View Scheme

sodium hydroxide; water