[Ni(2,2'-bipyridine)3(2+)][BF4(1-)]2 in N,N-dimethyl-formamide T=20°C; allyl carbamate cleavage; Electrochemical reactionZn/stainless steel couple electrodes; current intensity 60 mA; supporting electrolite: tetrabutylammonium tetrafluoroborate;