反应条件
in dimethyl sulfoxide suspn. of Pd complex (0.035 mmol), Pd(dba)2 (0.035 mmol), and 2,2'-bipyridine (0.035 mmol) in DMSO stirred at room temp. for 1 d; filtered through Celite, filtrate added to CH2Cl2/Et2O (1/1), ppt. sepd.by centrifugation, dried under vac.; mixt. not sepd.;