copper(l) iodide; (Ph2P)2PdCl2 in triethylamine T=100°C; 10 h;

1.1: NaNO2 / H2SO4; H2O / 0.5 h / 0 - 5 °C 1.2: 82 percent / CuSO4*5H2O / H2O / Heating 2.1: 74 percent / N-iodosuccinimide / methanol / 10 h / 50 °C 3.1: 72 percent / (Ph2P)2PdCl2; CuI / triethylamine / 10 h / 100 °C View Scheme

1: 74 percent / N-iodosuccinimide / methanol / 10 h / 50 °C 2: 72 percent / (Ph2P)2PdCl2; CuI / triethylamine / 10 h / 100 °C View Scheme