New complexes of lanthanides (Nd, Eu) with phosphoro-azo derivatives of beta-diketones were synthesized. Optical properties of these compounds were investigated and confronted with the structure and single crystal spectra of different types of earlier reported lanthanide phosphoro-azo beta-diketonates. The exchange of the N-P-O-Me ligand group by the N-P-NR(2) one plays only a minor role in binding character of lanthanide ions but strongly affects biological functions and properties of lanthanide systems. In vitro experiment on cytotoxicity of the samples was performed using 10T(1/2), L(1), MCF, DETA and Me omega-132 cell lines.
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页码:455 / 460
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