Abstract
Two new macrocyclic Schiff-base complexes of Cu(II) have been prepared by the template reaction of 2,6-bis (2-formylphenoxymethyl)pyridine with 1,2-bis(2′-aminophenoxy)benzene [L1] or with 1,2-bis(2′-aminophenoxy)-4-tert-butylbenzene [L2] in the presence of Cu(II) perchlorate. The amines used have low flexibility and therefore the formation of complexes was very difficult. The synthesised 23-membered, heptadentate N3O4 complexes were characterised by elemental analysis, IR, and FAB-mass spectroscopy.
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