in tetrahydrofuran N2 atmosphere, stirring (room temp., overnight); removement of solvent (vacuum), washing (Et2O), drying (vacuum);

in dichloromethane; acetonitrile solns. of PdCl2 in MeCN and phosphorous ligand in CH2Cl2 mixed together,stirred (30 min. room temp.); solvent removed (reduced pressure), washed (Et2O), recrystd. (CH2Cl2 andhexane); elem. anal., XRD;