hydrogenchloride in tetrahydrofuran

nickel in tetrahydrofuran 2 h;

1: 1.) 95percent tert-butyl hypochlorite, 2.) Et3N / 1.) CH2Cl2, from -70 to -65 deg C, 1 h, 2.) from -65 deg C to RT 2: 3 N aq. HCl / CH2Cl2 / 1 h / Ambient temperature 3: 89 percent / Raney nickel / tetrahydrofuran / 2 h View Scheme