in pentane introduction of B2H6 (from Na(BH4) and (C2H5)2O*BF3 in diglyme) in the pentane-soln.; evapn. of solvent and excess of substituted pyridine;; recrystn.;;
iodine in ethylene glycol dimethyl ether byproducts: NaI, H2; addn. of stoichiometric amounts of I2 in DME to Na(BH4) (15-20percent excess) and CH3C5H4N (7-10percent excess), stirring for 3h, evapn., extn. with C6H6, evapn.;; dissolving in C6H6, pptn. with hexane;;