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Issue 40, 2017
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Highly active group 11 metal complexes with α-hydrazidophosphonate ligands

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Abstract

α-Hydrazidophosphonates are interesting scaffolds that could combine the biological properties of hydrazones and phosphonyl species, and their coordination properties remain unknown. The coordination chemistry of these ligands towards group 11 metals has been studied. A series of novel gold(I), silver(I) and copper(I) complexes with α-hydrazidophosphonate ligands have been prepared and characterised. The coordination geometries obtained vary from linear to trigonal planar for gold(I) to distorted trigonal planar or tetrahedral for silver(I) and copper(I). Structural characterisation of two silver derivatives shows the ligands in an O^N^O tridentate fashion, with dissimilar bond lengths. These compounds were screened for the in vitro cytotoxic activity against two tumour human cell lines such as HeLa (cervical carcinoma) and A549 (lung carcinoma). The IC50 values reveal an excellent cytotoxic activity of the metal complexes compared with the α-hydrazidophosphonate ligands alone and cisplatin.

Graphical abstract: Highly active group 11 metal complexes with α-hydrazidophosphonate ligands

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Publication details

The article was received on 27 Jul 2017, accepted on 08 Sep 2017 and first published on 11 Sep 2017


Article type: Paper
DOI: 10.1039/C7DT02743E
Citation: Dalton Trans., 2017,46, 13745-13755
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    Highly active group 11 metal complexes with α-hydrazidophosphonate ligands

    D. Salvador-Gil, L. Ortego, R. P. Herrera, I. Marzo and M. C. Gimeno, Dalton Trans., 2017, 46, 13745
    DOI: 10.1039/C7DT02743E

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