in further solvent(s) soln. NaBH4 in triglyme was added slowly for 3 h at room temp. to BF3-tert-butyl methyl etherate; B2H6 was absorbed with THF, NaBF4 was filtered off, solvent was removedby distillation to obtaine more NaBF4;

in further solvent(s) soln. NaBH4 in triglyme was added slowly for 3 h at room temp. to BF3-tert-butyl methyl etherate; B2H6 was absorbed with THF, NaBF4 was filtered off, solvent was removedby distillation to obtaine more NaBF4;