lithium tetramethanolatoborate in acetonitrile T=45 - 50°C;

lithium hydroxide; boric acid

in water evapn. of water from aq. solns. of oxalic acid, boric acid, and LiOH (2:1:1 mol.); refluxed with CH3CN; filtered; dried in vac. oven at 100°C for 2 d;

in neat (no solvent) byproducts: CO, CO2; heated at a heating rate of 1°C/min under N2 atm. to 490°Cin alumina crucible; monitored by X-ray diffraction and IR spectroscopy;