Аннотация:Herein we report synthesis of new chromium (+3) binuclear complex with biphenyl frame, that was obtained by reaction of deprotonated ligand with CrCl3(THF)3 according to Scheme 1. This ligand is scorpionate-like, but provides the ability to synthesize binuclear compounds with potential different properties. The resulting complex was characterized with IR, NMR and mass-spectroscopy and tested for its ability to polymerize/oligomerize ethylene upon activation with MAO and several other organoaluminium compounds. The catalyst showed moderate activity and produced mostly polyethylene.