hydrogenchloride in diethyl ether byproducts: trimethyl amine, KCl; Ar atmosphere; stirring (room temp., 2 h); not isolated or sepd.; (11)B-NMR spectroscopy;

hydrogenchloride in diethyl ether byproducts: trimethyl amine, KCl; Ar atmosphere; stirring (room temp., 2 h), addn. of further HCl/Et2O, stirring (2.5 h, room temp.); not isolated or sepd.; (11)B-NMR spectroscopy;