zinc in acetonitrile T=80°C; 8 h;

bisallyl ether; sodium iodide in diethylene glycol dimethyl ether T=80°C; 11 h;

hydroquinone; sodium iodide in diethylene glycol dimethyl ether T=80°C; 12.5 h;

1: Mg / tetrahydrofuran / -20 - -10 °C 2: 52 percent / SO2Cl2 / hexane; tetrahydrofuran / 3 h / Ambient temperature 3: 90.1 percent / tetrahydrofuran; diethyl ether / 2 h / Ambient temperature 4: 17.6 percent / NaI (8), p-DNB / bis-(2-methoxy-ethyl) ether / 10 h / 80 °C / other or none additive; electron transfer reaction of other polyfluorophenyl pentafluorobenzenesulphonates View Scheme

1: 90.1 percent / tetrahydrofuran; diethyl ether / 2 h / Ambient temperature 2: 17.6 percent / NaI (8), p-DNB / bis-(2-methoxy-ethyl) ether / 10 h / 80 °C / other or none additive; electron transfer reaction of other polyfluorophenyl pentafluorobenzenesulphonates View Scheme

1: 52 percent / SO2Cl2 / hexane; tetrahydrofuran / 3 h / Ambient temperature 2: 90.1 percent / tetrahydrofuran; diethyl ether / 2 h / Ambient temperature 3: 17.6 percent / NaI (8), p-DNB / bis-(2-methoxy-ethyl) ether / 10 h / 80 °C / other or none additive; electron transfer reaction of other polyfluorophenyl pentafluorobenzenesulphonates View Scheme

1: 73.8 percent / NaI, p-hydroquinone / bis-(2-methoxy-ethyl) ether / 12.5 h / 80 °C 2: 23.6 percent / NaI / bis-(2-methoxy-ethyl) ether / 12.5 h / 80 °C View Scheme

1: in diethyl ether T=-15°C; 16 h; 2: With sulfuric acid in dichloromethane T=-15 - 20°C; 20 h;

in diethylene glycol dimethyl ether T=100°C; 17 h;

1: 5.5 percent / bis-(2-methoxy-ethyl) ether / 17 h / 100 °C 2: Zn / acetonitrile / 8 h / 80 °C View Scheme