hydrogenchloride; hydrogen; rhenium heptasulfide in ethanol T=25°C; P=15001.2 Torr; 20 h;

1: 80 percent / Na / 5 degC, 1h then r.t., 2 h 2: 86 percent / HCl / diethyl ether / 1 h / Ambient temperature 3: 92 percent / sodium azide / Aliquat 336 / H2O / 9 h / 60 °C 4: 48 percent / H2, HCl / Re2S7 / ethanol / 20 h / 25 °C / 15001.2 Torr View Scheme

1: 86 percent / HCl / diethyl ether / 1 h / Ambient temperature 2: 92 percent / sodium azide / Aliquat 336 / H2O / 9 h / 60 °C 3: 48 percent / H2, HCl / Re2S7 / ethanol / 20 h / 25 °C / 15001.2 Torr View Scheme

1: 92 percent / sodium azide / Aliquat 336 / H2O / 9 h / 60 °C 2: 48 percent / H2, HCl / Re2S7 / ethanol / 20 h / 25 °C / 15001.2 Torr View Scheme