H2O in tetrahydrofuran Treatment of suspn. of (Me-Acr)BPh4 in THF with NaV(CO)6 (N2 or Ar). Evolution of gas and pptn. of colorless solid is obsd. Stirring (15 h, room temp.).; Removal of solvent (vac.), treatment of residue with H2O, filtn., washing of org. solid (H2O), drying (vac.), anal. and spect. identification. Addn. of Bu4NBr to yellow soln. causes sepn. of V-compd. which is filtered and dried in vac.;
in water byproducts: CO; React. of starting materials in H2O under N2 or Ar atmosphere.; Evolution of CO obsd. (gas chromy.). Filtn. of pptd. colorless solid, washing with H2O and drying (vac.) over P4O10 gives org. compd. Extn. of aq. soln. (Et2O), evapn. of combined ether ext. to dryness under reduced pressure, IR spectoscopy.;