反应条件
in pentane inert atmosphere, addn. of soln. of tin compound to soln. of Et2BBr at -30°C, stirring (25°C, 1 h); pptn. of (CH3)3SnBr at -78°C, filtration (-78°C), reductn.of volume (reduced presssure), warming to room temp., addn. (pentane), cooling (-78°C), filtration, reductn. of volume (vacuum), distill ation (vacuum, low temperature);
