in hexane; benzene Kinetics; React. of starting materials (C6H6), stirring of soln. (5 h, ambient temp., N2 or Ar) and addn. of hexane after reducing of volume by half in vac.; Pptn. of powder upon standing, removal of solvent and liberated PEt3 by washing, filtn. under N2 and drying in vac.;
