PdCl2 was dissolved in conc. HCl by stirring at 150°C for 1 h, cooled to room temp., diluted with EtOH, filtered, ligand was added with stirring; filtered, washed with Et2O, recrystd. from CH2Cl2, dried at room temp. under vac; elem. anal.;

in water; acetone Kinetics; reaction in an aq. acetone soln. at 25°C; followed by UV and (1)H NMR;

in benzene addn. of norbornadiene to soln. of Pd compd. in benzene, pptn.; elem. anal.;

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 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.;