in acetone to suspn. of Pd-complex in acetone Fe-complex was added, stirred at roomtemp. for 2 h under inert atm.; vol. was reduced in vac., Et2O was added, stirred for 10 min, filtered, washed with Et2O, dried under vac.;

in dichloromethane (Ar), stirring a soln. of palladium complex and silver salt in CH2Cl2 atroom temp. for 2 h in the dark;

in dichloromethane (Ar), stirring a soln. of palladium complex and silver salt in CH2Cl2 atroom temp. for 2 h in the dark;