Metal-promoted synthesis and characterization of Pr(III), Nd(III) and Eu(III) Schiff base complexes derived from salicylaldehyde and 4,9-dioxa-1,12- diaminododecane
DOI:
https://doi.org/10.12775/CL.2010.013Abstract
The one-step metal template reaction of salicylaldehyde with 4,9-dioxa-1,12-diaminododecane in the presence of praseodymium(III), neodymium(III) or europium(III) nitrates gives complexes containing N,N’- bis(salicylidene)-1,12-diamino-4.9-dioxadodecane ligand with N2O4 set of donor atoms as a result of the [2+1] Schiff base condensation. The template reaction products were characterized by spectroscopic (IR, UV-Vis, ESI-MS) and analytical (elemental and thermogravimetric analysis) methods. All data indicate 1:1 ligand to metal stoichiometry.
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