SYNTHESIS, CHARACTERIZATION, AND ANTITUMOR ACTIVITY OF SOME TRIVALENT LANTHANIDE COMPLEXS WITH 2-FORMYLPHENOXYACETIC ACID THIOSEMICARBAZONE
- 2 November 2002
- journal article
- Published by Informa UK Limited in Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry
- Vol. 32 (1), 59-68
- https://doi.org/10.1081/sim-120013146
Abstract
Some trivalent lanthanide complexes of the type [Ln(FAT)3]·2H2O, where Ln=La, Ce, Pr, Nd, Sm, Eu, HFAT=2-formylphenoxyacetic acid thiosemicarbazone, have been synthesized. The data of elemental analyses, IR, UV, 1H NMR and high resolution mass spectra show that the ligand coordinates to the metal ion via --C N7, -O- and -COO− groups in the molar ratio of 3:1. All complexes are insoluble in common organic solvents except DMF and DMSO. Dehydration studies indicate that for all complexes the water molecules are held in the lattice rather than take part in coordination.Keywords
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