Ferrocenoyl pyridine arene ruthenium complexes with anticancer properties:: Synthesis, structure, electrochemistry, and cytotoxicity

被引:129
作者
Auzias, Mathieu [1 ]
Therrien, Bruno [1 ]
Suess-Fink, Georg [1 ]
Stepnicka, Petr [2 ]
Ang, Wee Han [3 ]
Dyson, Paul J. [3 ]
机构
[1] Univ Neuchatel, Inst Chim, CH-2009 Neuchatel, Switzerland
[2] Charles Univ Prague, Fac Sci, Dept Inorgan Chem, CZ-12840 Prague 2, Czech Republic
[3] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland
关键词
D O I
10.1021/ic7018742
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Organometallic ruthenium(II) complexes of general formula [RU(eta(6)-arene)Cl-2(NC5H4OOC-C5H4FeC5H5)], where arene = C6H6 (1), C6H5Me (2), p-(PrC6H4Me)-Pr-i (3), and C6Me6 (4), and of general formula [Ru(eta(6)-arene)Cl-2](2)(NC5H4OOC-C5H4FeC5H4-COOC5H4N), where arene = p-(PrC6H4Me)-Pr-i (5) and C6Me6 (6), have been synthesized and characterized, the molecular structures of these complexes being confirmed by single-crystal X-ray structure analysis of complex 4 as a representative example. The redox properties and in vitro anticancer activities of complexes 1-6 have been studied. All the compounds are moderately cytotoxic toward the A2780 and A2780cisR (cisplatin-resistant) human ovarian carcinoma cell lines. The diruthenium arene complexes 5 and 6 are about twice as active as their mononuclear analogues 3 and 4. Cyclic voltammetry revealed a good correlation of the Ru-II/Ru-III redox potentials of 1-4 and the number of alkyl substituents in the arene ligand.
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收藏
页码:578 / 583
页数:6
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