1: 73 percent / H2 / Pd-C (10percent) / acetic acid 2: Et(i-Pr)2N / CH2Cl2 / Ambient temperature 3: K2CO3 / acetone / Heating 4: 50 percent / NH3 / methanol; H2O / 0.5 h / 80 °C View Scheme

1: 73 percent / H2 / Pd-C (10percent) / acetic acid 2: Et(i-Pr)2N / CH2Cl2 / Ambient temperature 3: K2CO3 / acetone / Heating 4: 6 percent / NH3 / methanol; H2O / 0.5 h / 80 °C View Scheme

With  ammonium hydroxide in  methanol T=0°C;