n-butyllithium in hexane

in tetrahydrofuran (N2) soln. Li(1,3-(SiMe3)2-Ind) in THF was added dropwise at room temp. to soln. Ni complex in THF, stirred for 10 min; solvent was removed in vacuo, residue was sublimed; elem. anal.;

in tetrahydrofuran (N2) soln. Li(1,3-(SiMe3)2-Ind) in THF was added dropwise at room temp. to soln. Ni complex in THF, stirred for 10 min; solvent was removed in vacuo, residue was extd. with hexane, concd. and allowed to stand at room temp.;