ammonium hydroxide in ethanol 5 h; Heating;

1: 95 percent / 25percent aq. NH3 / ethanol / 5 h / Heating 2: 17 percent / lithium diisopropylamide (LDA) / hexane; tetrahydrofuran / 1.) -78 deg C, 3 h, 2.) 50 deg C, 48 h View Scheme