Coordination compounds of chromium (+3) and vanadium (+3) and (+5) with 2,6-bis(diphenylhydroxymethyl)pyridyl ligand: Synthesis and study of catalytic activity in the polymerization of ethylene

► V (III), (V) and Cr (III) complexes with 2,6-(Ph2COH)-Py have been synthesized. ► The molecular structures of complexes 3, 4, 6, 8 have been characterized by X-ray. ► Vanadium compounds with DEAC are efficient catalysts for C2H4 polymerization.