Hyperbranched polyester poly(3-diethylamino)propionates and their copper(<Emphasis Type="SmallCaps">ii</Emphasis>) complexes |
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| Authors: | M P Kutyreva A R Gataulina G A Kutyrev N A Ulakhovich A V Surnova S V Yurtaeva |
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| Institution: | 1.Kazan (Volga Region) Federal University,Kazan,Russian Federation;2.Kazan National Research Technological University,Kazan,Russian Federation;3.E. K. Zavoisky Kazan Institute of Physical Engineering,Kazan Research Center of the Russian Academy of Sciences,Kazan,Russian Federation |
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| Abstract: | Novel polydentate ligands were obtained from second and third generation hyperbranched polyesters containing terminal (3-diethylamino)propionate groups. Polynuclear CuII complexes with these ligands were synthesized. The degree of diethylamination of the polyesters increases when moving from the second to the third generation (from 56 to 81%). In polynuclear complexes, the ratios of Cu to hyperbranched ligand are 6 : 1 and 13 : 1 for second and third generation polyester polyamines, respectively. It was demonstrated using IR and ESR spectroscopy that each coordination polyhedron in the complexes is an isolated paramagnetic center of the formula CuN2O2Solv2 (Solv = H2O, DMSO). |
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