dec. slowly at 0°C, rapidly at 40 to 60°C;

boron trifluoride dimethyl etherate in not given not isolated, (129)Xe-NMR spectroscopy;;

hydrogen fluoride in Kel-F reactor, adding anhydrous HF, warming to 0°C, holding at 0°C for 2 h; removed solvent;

in dichloromethane reaction at -40°C, XeF2/B(OSO2CF3)3 = 1/0.3, 1/0.6, 1/1.0 or 1/1.3;; not isolated, (129)Xe-NMR and (19)F-NMR spectroscopy; formation of Xe (decomposition) in presence of a molar excess of B(OSO2CF3)3;;