Binuclear and polynuclear transition metal complexes with macrocyclic ligands. 5. Novel complexes of asymmetric polydentate macrocyclic Schiff bases. Step-by-step synthesis |
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| Authors: | Borisova N E Ustynyuk Yu A Reshetova M D Aleksandrov G G Eremenko I L Moiseev I I |
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| Institution: | (1) Department of Chemistry, Moscow State University, Leninskie Gory, 119992 Moscow, Russian Federation;(2) N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991 Moscow, Russian Federation |
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| Abstract: | Reactions of 2,6-bis(3-aminopropylaminocarbonyl)pyridine (1) with 4-tert-butyl-2,6-diformylphenol and 2,5-diformylpyrrole in the presence of Ba(ClO4)2 in EtOH afford barium complexes with asymmetric macrocyclic Schiff bases as soft and hard ligands. The reaction of compound 1 with Cu(OCOCMe3)2 involves closure of a tetrahydropyrimidine ring to give a mononuclear complex, which was structurally characterized by X-ray diffraction analysis. |
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| Keywords: | complexes with macrocyclic ligands X-ray diffraction analysis NMR spectroscopy |
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