in diethyl ether; benzene addn. of the Sb-compd. to a soln. of the Li-compd. in benzene-ether under an Ar atmosphere, stirring at room temp. overnight; addn. of "wet ether" to the react. mixt., washing with H2O, drying of the ether soln. over anhyd. MgSO4 and concg. to dryness, obtaining the stibine by column chromy of the residue (silica gel, hexane); identification by m.p., NMR and IR spectra;

iron(III) chloride in diethyl ether 24 h;