in hexane

in tetrahydrofuran; pentane soln. of SnCl4 in pentane was added dropwise to soln. of Li compd. in THF at -78°C (N2 or Ar); quenching with satd. aq. NH4Cl, concn. of dried soln., distn., recrystn. from aq. EtOH; elem. anal.;

in hexane