in benzene-d6 byproducts: CO2, C6H6; soln. of B-complex and Pd-complex in C6D6 was placed in NMR tube, sealed, kept for 3 h at at 65°C, PhI was added; sepd., washed with hexane, dried under vac.;

in benzene-d6 byproducts: CO2, C6H6; soln. of B complex and Pd complex in C6D6 was placed in NMR tube, sealed, heated at 55°C for 40 min; evapd., extracted with heptane; detected by NMR;