HF in benzene To a soln. of tert-butyl(mesityl)dimethoxygermane was added fluorohydric acid. The mixt. was heated at reflux for 1 h.; extn. with diethyl ether, drying over Na2SO4, elimination of the solvent in vacuo, sublimation, elem. anal.;

1: methanol; triethyl amine / benzene 2: t-butyl lithium; methyl iodide / pentane 3: HF / benzene View Scheme

1: t-butyl lithium; methyl iodide / pentane 2: HF / benzene View Scheme

1: tetrachloromethane 2: triethyl amine; methanol / benzene 3: HF / benzene View Scheme

1: triethyl amine; methanol / benzene 2: HF / benzene View Scheme

1: diethyl ether; pentane 2: HF / benzene View Scheme