in dichloromethane
N2 atmosphere, addn. of soln. of stannyl compound to soln. of borane at -65 to -75°C (30 min), slow warming to room temp., stirring (roomtemp., 16 h); (5)B-NMR-monitoring, PhN(BBrMe)2/Me2BBr/(PhNBMe)3 ratio 12.5:1.5:0.6, not isolated;
参考文献
Diemer, Stefan; Noeth, Heinrich; Storch, Wolfgang
European Journal of Inorganic Chemistry, 1999 , # 9 p. 1765 - 1780
in dichloromethane
N2 atmosphere, addn. of soln. of stannyl compound to soln. of borane at -65 to -75°C (30 min), slow warming to room temp., stirring (25°C); (5)B-NMR-monitoring, PhN(BBrMe)2/Me2BBr/PhN(SnMe3)(BMeBr)/(PhNBMe)3 ratio 10.5:1.5:1.5:0.7, not isolated;
参考文献
Diemer, Stefan; Noeth, Heinrich; Storch, Wolfgang
European Journal of Inorganic Chemistry, 1999 , # 9 p. 1765 - 1780
in tetrahydrofuran; hexane; pentane
to the soln. of dilithium salt CH3BBr2/THF/pentane was added dropwise at -78°C, warmed to room temp., strirred for 2 h; evapd. in vac., fractional distn.; elem. anal.;
