A (μ-η2: η2-peroxo) dicopper (II) complex,[Cu2 (HL)(O2)] 2+(1-O 2), supported by the dinucleating ligand 1, 3-bis [bis (6-methyl-2-pyridylmethyl) aminomethyl] benzene (HL) is capable of initiating C− H bond activation of a variety of external aliphatic substrates (SH n): 10-methyl-9, 10-dihydroacridine (AcrH2), 1, 4-cyclohexadiene (1, 4-CHD), 9, 10- dihydroanthracene (9, 10-DHA), fluorene, tetralin, toluene, and tetrahydrofuran (THF), ...