Journal
MONATSHEFTE FUR CHEMIE
Volume 151, Issue 3, Pages 331-343Publisher
SPRINGER WIEN
DOI: 10.1007/s00706-020-02558-w
Keywords
Supramolecular chemistry; Heterocycles; Synthesis; Spectroscopy
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The synthesis and ion binding properties of new amide derived from propeller-like tris(2-pyridyl)amine and 2,6-pyridinedicarboxylic acid chloride were described. Amide binds divalent metal cations: copper(II), nickel(II), zinc(II), and lead(II) in acetonitrile. In acetonitrile:water mixture (9:1 v/v) amide interacts only with copper(II) and nickel(II) cations forming complexes of 1:1 stoichiometry. It was found that the introduction of bulky, nitrogen donor atom bearing pendant groups can influence coordination mode of pyridine-2,6-dicarboxamides. The probable model of ligand-ion interactions is proposed on the basis of H-1 NMR and FT-IR spectroscopy. Graphic abstract
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