1: KOH / methanol 2: (i) LiNH2, liq. NH3, PhNH2, THF, (ii) AcOH, EtOH 3: Al(OiPr)3 / butan-2-one; benzene / Heating View Scheme

1: KOH / methanol 2: (i) LiNH2, liq. NH3, PhNH2, THF, (ii) AcOH, EtOH 3: Al(OiPr)3 / butan-2-one; benzene / Heating 4: (i) Li, H2NCH2CH2NH2, THF, (ii) aq. HCl, MeOH View Scheme

potassium hydroxide in methanol