in diethyl ether; hexane addn. of a soln. of VOCl3 in ether to a suspension of LiOSiPh3 in n-hexane with stirring and refluxing in absence of moisture; refluxing for 1 h;; filtration after cooling; the residue was washed with ether and extracted with warm toluene for several times; evapn.; dried; elem. anal.;;

in tetrahydrofuran byproducts: LiCl; under Ar, THF soln. of V-compd. and 3 equiv. of Li-compd. were mixed, stirring for 24 h; soln. was evapd. in vac., residue was taken in toluene, LiCl was centrifuged off, soln. was cooled to -18 °C, two types of crystals were sepd. with several times washing with n-pentane, recrystn. twice from toluene, drying in vac., elem. anal.;

in benzene byproducts: LiCl; dropwise addn. under stirring of a soln. of VCl4 in benzene to a suspension of LiOSiPh3 in benzene in O2-free Ar atm. in absence of moisture; stirring for 31 days;; detected by (51)V-NMR;;

in not given sublimation in a high-vac.;;

byproducts: LiCl, THF; under Ar;

byproducts: LiCl, THF; under Ar;

in tetrahydrofuran; toluene byproducts: LiCl, ClSiPh3; under Ar, 1 equiv. of Li-compd. in THF was added dropwise to toluene soln. of VCl4 at -78 °C, stirring at room temp. for 24 h; solvent was removed in vac., residue was taken in CH2Cl2, LiCl was sepd., solvent was removed in vac., solid was recrystd. from CH2Cl2/n-pentane, elem. anal.;