反应条件
in dichloromethane N2 atmosphere, addn. of soln. of stannyl compound to soln. of Me2SnCl2, addn. to soln. of (C6H2(CH3)3)BCl2 at -50°C (90 min) with stirring, cooling to -50°C, addn. of soln. of MeBBr2 (90 min), stirring (room temp., 2 d); removement of volatiles (25°C, 12 Torr/1E-6 Torr), removement of organotin halides (25-55°C, 1E-6 Torr), distillation (87-88°C, 1E-6 Torr); elem. anal.;
