[2,2']bipyridinyl; tetra-n-butylammonium tetrafluoroborate; FeBr2 in N,N-dimethyl-formamide T=20°C; Electrochemical reaction;

1: 16 percent / FeBr2; 2,2'-bipyridine; Bu4NBF4 / dimethylformamide / 20 °C / Electrochemical reaction View Scheme