in further solvent(s) byproducts: LiCl; LiAlH4, oct-1-ene loaded in a vertical-type ball mill under Ar or N2; mixt. heated with agitation for 20 min at 70°C; (C8H17)2AlCl added for 0.5 h (LiAlH4:(C8H17)2AlCl:oct-1-ene=1.3:1.00:1.96); mixt. agitated for 1 h at 95-100°C; cooled; ppt. filtered off; olefin removed (vac., 1 Torr) at 80-90°C; elem. anal.;