Template condensation reactions of 5-methylsalicylaldehyde with 4,5-dimethyl-1,2-phenylenediamine in the presence of copper(II) and selected lanthanide(III) ions
作者： Maciej Kubicki , Małgorzata T. Kaczmarek , Renata Jastrząb , Jozef Kováč , Joanna Strzelec
DOI: 10.1016/J.POLY.2021.115236
关键词:
摘要: Abstract This article presents the template condensation reactions of 5-methylsalicylaldehyde with 4,5-dimethyl-1,2-phenylenediamine in presence copper(II) ion and selected lanthanide(III) ions: Eu(III), Gd(III), Yb(III). These yielded complexes a new salen-type Schiff base, namely N,Nʹ-bis(5-methylsalicylidene)-4,5-dimethyl-1,2-phenylenediamine (H2L1). The different compositions, [Eu3L14(H2O)2](CF3SO3) [CuL1], were characterized by spectroscopic methods elemental analysis. reaction Yb(NO3)3, Eu(CH3COO)3, Yb(CF3SO3)3 also produced another ligand, L2 (2-(5,6-dimethyl-1H-benzimidazol-2-yl)-4-methylphenol its triflate salt. next same organic reactants Eu(NO3)3 Gd(NO3)3 L3 (2-[1-(2-hydroxy-5-methylbenzyl)-5,6-dimethyl-1H-benzimidazol-2-yl]-4-methylphenol nitrate For magnetic susceptibility χ(T) was measured under field µ0H = 0.5 T temperature range 2–300 K.
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