oxygen; copper(ll) bromide in N,N-dimethyl-formamide; 1,2-dichloro-benzene T=70°C; 18 h; Mechanism; Reagent/catalystSolvent; chemoselective reaction;

oxygen; copper(ll) bromide in N,N-dimethyl-formamide; 1,2-dichloro-benzene T=70°C; 20 h; Mechanism; chemoselective reaction;