silver hexafluoroantimonate in tetrahydrofuran; 1,2-dichloro-ethane T=80°C;

tetra-n-butylammonium tetrafluoroborate; [Ni(2,2'-bipyridine)3(2+)][BF4(1-)]2 in N,N-dimethyl-formamide electrochem. reaction; magnesium rod anode, nickel foam grid cathode;