chloro-trimethyl-silane; sodium iodide in acetonitrile T=25°C; 3 h;

chloro-trimethyl-silane; sodium iodide in acetonitrile T=25°C; 3 h;

With  chloro-trimethyl-silane; sodium iodide in  acetonitrile T=25°C; 3 h;   

Multi-step reaction with 5 steps 1: 98 percent / propionic acid / 24 h / Heating2: 91 percent / Al2O3 / benzene / 11 h / Heating3: 60 percent / LiAl(t-BuO)H3 / tetrahydrofuran / 3 h / -50 °C4: 93 percent / activated MnO2 / petroleum ether / 2 h / 25 °C5: 1.) Mg / 1.) THF, 2 h, 2.) THF, -15 deg C, 2 h  

Multi-step reaction with 2 steps 1: 93 percent / activated MnO2 / petroleum ether / 2 h / 25 °C2: 1.) Mg / 1.) THF, 2 h, 2.) THF, -15 deg C, 2 h  

Multi-step reaction with 4 steps 1: 91 percent / Al2O3 / benzene / 11 h / Heating2: 60 percent / LiAl(t-BuO)H3 / tetrahydrofuran / 3 h / -50 °C3: 93 percent / activated MnO2 / petroleum ether / 2 h / 25 °C4: 1.) Mg / 1.) THF, 2 h, 2.) THF, -15 deg C, 2 h  

With  magnesium  1.) THF, 2 h, 2.) THF, -15 deg C, 2 h;  Yield given. Multistep reaction;