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Coordination compounds of titanium (+4) with 8-hydroxyquinoline derivatives have been synthesized. Composition and properties of the obtained complexes have been evaluated by NMR, IR spectroscopy, X-ray diffraction,and elemental analysis.Titanium complexes were evaluated in their capacity as catalysts of the ethylene polymerization and ethylene/1-hexene copolymerization in the presence of cocatalysts - diethylaluminum chloride/dibutylmagnesium or methylaluminoxane. All obtained coordination compounds demonstrated high catalytic activities in homo- and co-polymerization reactions.