triethylamine in diethyl ether; pentane under N2, dropwise addn. of CH3BBr2 in pentane into a mixture of diamine and triethylamine in diethyl ether at -78°C, warmed to room temp., boiled for 1 h under reflux; filtered (HNEt3Br), solvent distd. off;
参考文献
Schmid, Guenter; Polk, Michael; Boese, Roland
Inorganic Chemistry, 1990 , vol. 29, p. 4421 - 4429