反应条件
HBr in dichloromethane byproducts: H2; HBr condensing onto ammonium borate in CH2Cl2 at -196°C, warmingto -78°C for 1 h, then stirring at room temp.for several minutes, BBr3 and CH2Cl2 condensing at -196°C, stirring at -78°C for 12 h, fractionating; identified by IR and NMR spectra;
参考文献
Inorganic Chemistry, , vol. 21, p. 1952 - 1957