(CF3SO2)2NLi in tetrahydrofuran Electrolysis; electrolysis (2 F/mol) with Mg anode under inert atm. at room temp. at 30 mA; after electrolysis, solvent evapd. under vac.; slowly hydrolysed at 0°C with soln. of H2SO4 until pH 5; further products: C6H3(B(OC(CH3)2C(CH3)2O))2Br; purified by column chromy. on silica gel (pentane/ether);
