dimethyl-dichlorosilane; sodium iodide in acetonitrile 20.5 h;

1: 1.) NaNO2, conc. HCl, 2.) sodium acetate, sodium sulfite / 1.) water, 10 deg C, 60 min, 2.) from 10 to 15 deg C, 2 h 2: 1.) n-BuLi / 1.) hexane, THF, ether, -95 deg C, 30 min, 2.) from -95 deg C to RT, overnight 3: 69 percent / dichlorodimethylsilane, NaI / acetonitrile / 20.5 h View Scheme

1: 1.) n-BuLi / 1.) hexane, THF, ether, -95 deg C, 30 min, 2.) from -95 deg C to RT, overnight 2: 69 percent / dichlorodimethylsilane, NaI / acetonitrile / 20.5 h View Scheme

1: 1.) n-BuLi / 1.) hexane, THF, ether, -95 deg C, 30 min, 2.) from -95 deg C to RT, overnight 2: 69 percent / dichlorodimethylsilane, NaI / acetonitrile / 20.5 h View Scheme