in toluene carried out with exclusion of air and moisture; 1 equiv of AgPF6 added to a stirred soln. of the Pd complex; mixt. stirred for further 20 min. at room temp.; volume reduced in vac., pentane added, filtered through silanized silica gel, elution with CH2Cl2, crystn. from CH2Cl2-Et2O (1:1) at -30°C; elem. anal.;

With  AgPF6 in  toluene  stirring (N2 atmosphere, 20 min), solvent removal (high vacuum); dissoln. of solid residue (CH2Cl2), filtration (silica), recrystn. (-30°C); elem. anal.;