in neat (no solvent) by prolonged heating;; detected by IR-expt.;;

in neat (no solvent) byproducts: CH3Cl, HCOOCH3; VCl3 was added to an org. compd. in a nitrogen-filled flask; the suspn.was refluxed for 8 h;; after cooling the solid was sepd. by filtration, washed with n-heptane and dried under vacuum (1E-6 mm Hg); elem.anal.;;