chloro-trimethyl-silane; sodium iodide in acetonitrile T=20°C; 24 h;

1: 98 percent / Me3SiCl; NaI / acetonitrile / 24 h / 20 °C 2: 40 percent / t-BuOK / dimethylsulfoxide / 2 h / 50 °C View Scheme