Matienko L.I., Mosolova L.A., Binyukov V.I., Zaikov G.E. METALCOMPLEX CATALYSIS IN SELECTIVE OXIDATION ALKILARENOV MOLECULAR OXYGEN. ROLE OF SUPRAMOLEKULYARNY NANOSTRUCTURES IN THE CATALYSIS MECHANISM COMPLEXES OF NICKEL NIII(ACAC)2 × MST × PHOH (MST = NA
Matienko Ludmila Ivanovna
Doctor of chemical sciences, Head of Laboratory of the Federal State Budget Institution of Science N. M. Emanuel Institute of Biochemical Physics
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Kosygina St., 4, 119334 Moscow, Russian Federation
Mosolova Larisa Alekseevna
Associate professor of chemical science, Senior researcher of the Federal State Budget Institution of Science N. M. Emanuel Institute of Biochemical Physics
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Kosygina St., 4, 119334 Moscow, Russian Federation
Binyukov Vladimir Ivanovich
Associate professor of biological sciences, Leading researcher of the Federal State Budget Institution of Science N.M. Emanuel Institute of Biochemical Physics
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Kosygina St., 4, 119334 Moscow, Russian Federation
Zaikov Gennady Efremovich
Doctor of chemical sciences, Professor, Head of Division of biological and chemical physics of Polymer of the Federal State Budget Institution of Science N. M. Emanuel Institute of Biochemical Physics,
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Kosygina St., 4, 119334 Moscow, Russian Federation
Abstract. The method proposed by the authors of a modification of the homogeneous catalysts, nickel complexes, with use of the addition of exo ligands – modifiersis for selective catalytic oxidation with molecular oxygen alkylarene to hydroperoxides is discussed. The phenomenon of unusually high catalytic activity of triple complexes NiII(acac)2×L2×PhOH, including as activating ligands electron donating ligand L2 and phenol, formed in the selective ethylbenzene oxidation to a-phenyl ethyl hydroperoxide, catalyzed with triple system {NiII(acac)2+L2+PhOH}, is examined. The mechanism of action of the triple complexes in the selective oxidation of ethylbenzene is researched. The possibility of formation of stable supramolecular structures based on ternary complexes NiII(acac)2×MSt×PhOH (MSt = NaSt, LiSt) with metalloligand MSt as L2 examines with use of the AFM (atomic force microscopy) method.
Key words: homogeneous catalysis, oxidation, molecular oxygen, ethylbenzene, a-phenyl ethyl hydroperoxide, bis(acetylacetonate)nickel (II), PhOH, N-methylpyrrolidone-2, MSt (MSt =NaSt, LiSt); AFM, supramolecular nano structures.
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