Journal article

Arene-ruthenium complexes with ferrocene-derived ligands: Synthesis and characterization of complexes of the type [Ru(η6-arene)(NC5H4CH2NHOC-C5H4FeC5H5)Cl2] and [Ru(η6-arene)(NC3H3N(CH2)2O2C-C5H4FeC5H5)Cl2]

Pyridylferrocene and imidazolylferrocene arene-Ru complexes [Ru(η6-arene)(L)Cl2] where L = NC5H4CH2NHOCC5H4FeC5H5, arene = p-iPrC6H4Me (1) or C6Me6 (2); L = NC3H3N(CH2)2O2CC5H4FeC5H5, arene = p-iPrC6H4Me (3) or C6Me6 (4), and diruthenium-arene complexes [Ru(η6-arene)Cl2]2(L) where L = 1,1'-(NC5H4CH2NHOC)2C5H4FeC5H4, arene = p-iPrC6H4Me (5) or C6Me6 (6); L = 1,1'-(NC3H3N(CH2)2O2C)2C5H4FeC5H4, arene = p-iPrC6H4Me (7) or C6Me6 (8) were synthesized and characterized. The mol. structures of 1 and 3 were confirmed by single-crystal x-ray diffraction. The in vitro anticancer activities of complexes 1-8 were studied comparatively to the uncoordinated ligands. The complexes exhibit fairly low cytotoxicities in comparison to related ferrocene-derived arene-Ru complexes.


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