trichlorosilane; triethylamine in xylene T=120°C;

1: 92 percent / K2CO3 / acetone / Heating 2: 84 percent / NEt3, Cl3SiH / xylene / 120 °C View Scheme

1: 99 percent / 3N aq. NaOH / methanol; dioxane / 12 h / Ambient temperature 2: 92 percent / K2CO3 / acetone / Heating 3: 84 percent / NEt3, Cl3SiH / xylene / 120 °C View Scheme

1: 95 percent / diisopropylethylamine / palladium diacetate, 1,4-bis(diphenylphosphino)butane / dimethylsulfoxide / 12 h / 100 °C 2: 99 percent / 3N aq. NaOH / methanol; dioxane / 12 h / Ambient temperature 3: 92 percent / K2CO3 / acetone / Heating 4: 84 percent / NEt3, Cl3SiH / xylene / 120 °C View Scheme

1: 95 percent / diisopropylethylamine / palladium diacetate, 1,4-bis(diphenylphosphino)butane / dimethylsulfoxide / 12 h / 100 °C 2: 99 percent / 3N aq. NaOH / methanol; dioxane / 12 h / Ambient temperature 3: 92 percent / K2CO3 / acetone / Heating 4: 84 percent / NEt3, Cl3SiH / xylene / 120 °C View Scheme

1: 100 percent / pyridine / CH2Cl2 / 6 h / 0 °C 2: 95 percent / diisopropylethylamine / palladium diacetate, 1,4-bis(diphenylphosphino)butane / dimethylsulfoxide / 12 h / 100 °C 3: 99 percent / 3N aq. NaOH / methanol; dioxane / 12 h / Ambient temperature 4: 92 percent / K2CO3 / acetone / Heating 5: 84 percent / NEt3, Cl3SiH / xylene / 120 °C View Scheme