First Trifluoromethylated Phenanthrolinediamides: Synthesis,Structure, Stereodynamics and Complexation with Ln(III) |
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| Authors: | Yuri A Ustynyuk Pavel S Lemport Vitaly A Roznyatovsky Konstantin A Lyssenko Alexey O Gudovannyy Petr I Matveev Ennie K Khult Mariia V Evsiunina Vladimir G Petrov Igor P Gloriozov Anton S Pozdeev Valentine S Petrov Nane A Avagyan Alexander S Aldoshin Stepan N Kalmykov Valentine G Nenajdenko |
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| Institution: | 1.Department of Chemistry, Moscow State University, 1-3 Leninskiye Gory, GSP-1, 119991 Moscow, Russia; (Y.A.U.); (P.S.L.); (V.A.R.); (K.A.L.); (A.O.G.); (P.I.M.); (M.V.E.); (V.G.P.); (I.P.G.); (A.S.P.); (V.S.P.); (N.A.A.); (A.S.A.); (S.N.K.);2.Department of Materials Science, Moscow State University, 1-73 Leninskiye Gory, GSP-1, 119991 Moscow, Russia; |
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| Abstract: | The first examples of 1,10-phenanthroline-2,9-diamides bearing CF3-groups on the side amide substituents were synthesized. Due to stereoisomerism and amide rotation, such complexes have complicated behavior in solutions. Using advanced NMR techniques and X-ray analysis, their structures were completely elucidated. The possibility of the formation of complex compounds with lanthanoids nitrates was shown, and the constants of their stability are quantified. The results obtained are explained in terms of quantum-chemical calculations. |
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| Keywords: | phenanthroline fluorine-containing N O-hybrid ligands X-ray diffraction NMR DFT calculations stereodynamics complexes lanthanoids |
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