alkali metal hydroxide

1: 2-bromofuran With N,N,N',N,-tetramethylethylenediamine; tert.-butyl lithium in diethyl ether; pentane T=0°C; 2 h; 2: ethyl orthosilicate in diethyl ether; pentane T=-78°C; 1 h;

pyridine; tetrachlorosilane in diethyl ether 1.) temp. -30 to 10 deg C; 2.) -35 deg C; different temperaturs, other solvents THF, ether, hexane; other reagents pyridine or diethylamine, other ratio educt-reagent; Product distribution;

in tetrahydrofuran Ambient temperature; Product distribution;

in tetrahydrofuran 1 h; Heatingdifferent molar ratios 2-furyllithium and tetraethoxysilane; Product distribution;