1989•Synthesis and Reactivity in Inorganic and Metal-Organic ChemistryRequires access

Synthesis of New Alkanediamine Schiff Bases Containing an Ester Function. Preparation and Characterization of NiII Complex with 1,3-Trimethylenediamine Schiff Base

Miguel Á. Bañares, Amador Angoso, J.L. Manzano, Exequiel Santos Rodríguez, Gérard Sanz

Abstract

Schiff bases obtained by reaction between β-ketoester ethyl-α-ketocyclopentylcarboxylate (C8H12O3) and various aliphatic diamines NH2(CH2)nNH2, where n = 2, 3, 4, were prepared and studied. Also prepared was the complex of NiII and the Schiff base of 1,3-trimethylenediamine (L), with the formula NiLCl2-6H2O. The Schiff bases were characterized by elemental analysis, IR spectroscopy and 1H and 13C-NMR. The NiII compound was characterized by elemental analysis, IR, UV and visible spectroscopy, magnetic susceptibility and thermal analysis. A tetrahedral environment set N2Cl2 of donor atoms is proposed for NiII

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Key concepts: Schiff base, Elemental analysis, Chemistry, Spectroscopy, Infrared spectroscopy, Thermal analysis, Polymer chemistry, Characterization (materials science)