in 1,4-dioxane T=60°C; 5 h;

in n-heptane byproducts: LiCl; LiAlH4 loaded in a vertical-type ball mill under Ar or N2; heptane added; mixt. agitated for 15 min at 70°C; mixt. of (C6H13)2AlCl with hex-1-ene (LiAlH4:(C6H13)2AlCl:hex-1-ene=1.1:1.0:4.5) added; mixt. agitated for 1.5 h at 90°C; cooled; filtered under Ar; solvent and olefin removed (vac., 10 Torr) at60-70°C; elem. anal.;

dilithium tetrachlorocuprate; triphenylphosphine in octane T=50°C; 5 h;

in 1,4-dioxane T=60°C; 5 h;