Ni(PPh3)4 in tetrahydrofuran; diethyl ether; benzene T=20°C; 1.5 h;

1: 88 percent / PdCl2(PhCN)2, CuI / various solvent(s) / 3 h / Ambient temperature 2: 86 percent / K2CO3 / methanol / 4 h / Ambient temperature 3: 68 percent / activated Zn dust / H2O; methanol / 2 h / 35 °C View Scheme

Ni(PPh3)4 in tetrahydrofuran; diethyl ether; benzene T=20°C; 1.5 h;

1: 88 percent / PdCl2(PhCN)2, CuI / various solvent(s) / 3 h / Ambient temperature 2: 86 percent / K2CO3 / methanol / 4 h / Ambient temperature 3: 68 percent / activated Zn dust / H2O; methanol / 2 h / 35 °C View Scheme