hydrogen; palladium on activated charcoal in ethanol P=3750.3 Torr;

copper(l) iodide in N,N-dimethyl-formamide T=100°C; 2 h;

1: 100 percent / benzyltrimethylammonium dichloroiodate; calcium carbonate / CH2Cl2; methanol / 2 h / 20 °C 2: 100 percent / triethylamine; CuI; bis(triphenylphosphine)dichloropalladium / 20 h / 20 °C 3: 80 percent / CuI / dimethylformamide / 2 h / 100 °C View Scheme

1: 100 percent / triethylamine; CuI; bis(triphenylphosphine)dichloropalladium / 20 h / 20 °C 2: 80 percent / CuI / dimethylformamide / 2 h / 100 °C View Scheme