in neat (no solvent) heating in quartz tube under high vac. at 720°C about 1 - 2 h;; removal of VCl4 and VOCl3 in vac.; extn. of VCl2 and excess of VCl3 with dimethyl formamide; pptn. washing with EtOH and ether, drying in vac.;;
参考文献
Journal of the Less-Common Metals, , vol. 3, p. 29 - 33
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;;
参考文献
Preuss, Fritz; Noichl, Harald
Zeitschrift fuer Naturforschung, B: Chemical Sciences, 1987 , vol. 42, # 2 p. 121 - 129
