Synthesis and spectral studies of macrocyclic Cu(II), Ni(II) and Co(II) complexes by template reaction of 1,4-bis(3-aminopropoxy)butane with metal(II) nitrate and salicylaldehyde derivatives

• Published in: Journal of molecular structure Vol. 891; no. 1; pp. 157 - 166
• Main Authors: Ilhan, Salih, Temel, Hamdi
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 26-11-2008
• Subjects: 1,2-Bis(2-formylphenyl)ethane or 1,3-bis(2-formylphenyl)propane; Macrocyclic Schiff base; Macrocyclic Schiff base complex; Salicylaldehyde derivatives; Macrocyclic Schiff base; Macrocyclic Schiff base complex; 1,2-Bis(2-formylphenyl)ethane or 1,3-bis(2-formylphenyl)propane; Salicylaldehyde derivatives
• ISSN: 0022-2860; 1872-8014
• DOI: 10.1016/j.molstruc.2008.03.016

Six new macrocyclic complexes were synthesized by template reaction of salicylaldehyde derivatives with 1,4-bis(3-aminopropoxy)butane and metal(II) nitrate. The metal to ligand ratio of the complexes was found to be 1:1. The Cu(II) complexes are proposed to be square planar and the Ni(II) and Co(II) complexes are proposed to be tetrahedral geometry. Macrocyclic complexes are 1:2 electrolytes as shown by their molar conductivities (
Λ
M) in DMF (dimethylformamide) of 10
−3
M solution. The structure of metal complexes is proposed from elemental analysis, FTIR, UV–vis, magnetic susceptibility measurements, molar conductivity measurements and mass spectra.