in tetrahydrofuran byproducts: 2,4,6-tri-t-butylbromobenzene; -78°C, 30 min; the reaction path was monitored spectroscopically ((1)H NMR);

in tetrahydrofuran byproducts: 2,4,6-tri-t-butylbenzene; -78°C; (1)H NMR data and IR investigation of the mixt. of HSiCl3 and DSiCl3 distilled off after decompn. with ethereal DCl;

in not given

hydrogenchloride in tetrahydrofuran; diethyl ether protonation with ethereal hydrogen chloride;