1: 60 percent / NaH / dimethylformamide / 85 °C 2: 93 percent / HF, H2O / acetonitrile View Scheme

1: 60 percent / NaH / dimethylformamide / 85 °C 2: 93 percent / HF, H2O / acetonitrile View Scheme

Multi-step reaction with 4 steps 1: 85 percent / diethyl ether / -5 °C2: 97 percent / HCl / diethyl ether / -5 °C3: 96 percent / NaBH4 / methanol4: 85 percent / 2,6-lutidine / CH2Cl2  

With  sodium hydride in  N,N-dimethyl-formamide T=85°C;