[nickel(II)dichloride(1,3-bis(diphenylphosphino)propane)] in diethyl ether Heating;

1: thionyl chloride 2: 91 percent / AlCl3 / CS2 3: 89 percent / NaBH4 / ethanol / 25 °C 4: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 5: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

1: 95 percent / KOH / acetic acid; H2O; tetrahydrofuran 2: 85 percent / 165 °C 3: thionyl chloride 4: 91 percent / AlCl3 / CS2 5: 89 percent / NaBH4 / ethanol / 25 °C 6: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 7: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

1: 89 percent / NaBH4 / ethanol / 25 °C 2: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 3: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

1: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 2: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

1: 85 percent / 165 °C 2: thionyl chloride 3: 91 percent / AlCl3 / CS2 4: 89 percent / NaBH4 / ethanol / 25 °C 5: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 6: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

1: 91 percent / AlCl3 / CS2 2: 89 percent / NaBH4 / ethanol / 25 °C 3: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 4: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

1: 74 percent / NaOEt / Heating 2: 95 percent / KOH / acetic acid; H2O; tetrahydrofuran 3: 85 percent / 165 °C 4: thionyl chloride 5: 91 percent / AlCl3 / CS2 6: 89 percent / NaBH4 / ethanol / 25 °C 7: 97 percent / p-toluenesulfonic acid * H2O / benzene / Heating 8: 96 percent / NiCl2<dppp>2 / diethyl ether / Heating View Scheme

hydrogen; platinum(IV) oxide in tetrahydrofuran P=1034.3 Torr; Yield given;