Ruthenium(III) and iridium(III) complexes with nicotine

Alberti FM; Fiol JJ; Garcia-Raso A; Torres M; Terron A; Barcelo-Oliver M; Prieto MJ; Moreno V; Molins E

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Ruthenium(III) and iridium(III) complexes with nicotine

机译：钌（III）和铱（III）与尼古丁的络合物

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A new chloride-dimethylsulfoxide-ruthenium(III) complex with nicotine trans-[(RuCl4)-Cl-III(DMSO)[H-(Nicotine)]] (1) and three related iridium(III) complexes; [H-(Nicotine)]trans-[(IrCl4)-Cl-III(DMSO)(2)] (2), trans[Ir Cl-4(DMSO)[H-(Nicotine)]] (3) and mer-[(IrCl3)-Cl-III(DMSO)(Nicotine)(2)] (4) have been synthesized and characterized by spectroscopic techniques and by single crystal X-ray diffraction (1, 2, and 4). Protonated nicotine at pyrrolidine nitrogen is present in complexes 1 and 3 while two neutral nicotine ligands are observed in 4. In these three inner-sphere complexes coordination occurs through the pyridine nitrogen. Moreover, in the outer-sphere complex 2, an electrostatic interaction is observed between a cationic protonated nicotine at the pyrrolidine nitrogen and the anionic trans-[Ir-III Cl-4(DMSO)(2)] complex. Electrophoretic mobility and atomic force microscopy (AFM) studies of the interaction between 1 and 3 complexes and plasmidic DNA pBR322 have been performed. These results show that the Ru(III) complex 1 interacts significantly with plasmidic DNA while a weak interaction is observed with the corresponding Ir(III) complex 3.

机译：一种新的氯化物-二甲基亚砜-钌（III）配合物，其与烟碱反式-[（RuCl4）-Cl-III（DMSO）[H-（尼古丁）]]（1）和三种相关的铱（III）配合物; [H-（尼古丁）]反式-[（IrCl4）-Cl-III（DMSO）（2）]（2），反式[Ir Cl-4（DMSO）[H-（尼古丁）]]（3）和mer -[[（IrCl3）-Cl-III（DMSO）（尼古丁）（2）]（4）已合成，并通过光谱技术和单晶X射线衍射进行了表征（1、2和4）。配合物1和3中存在吡咯烷氮上的质子化尼古丁，而在4中观察到两个中性尼古丁配体。在这三个内球配合物中，吡啶氮之间发生配位。此外，在外球络合物2中，在吡咯烷氮处的阳离子质子化烟碱与阴离子反式-[Ir-III Cl-4（DMSO）（2）]络合物之间观察到静电相互作用。电泳迁移率和原子力显微镜（AFM）研究了1和3复合物与质粒DNA pBR322之间的相互作用。这些结果表明，Ru（III）配合物1与质粒DNA相互作用显着，而与相应的Ir（III）配合物3则观察到弱相互作用。

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来源
《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2010年第1期|共8页
作者
Alberti FM; Fiol JJ; Garcia-Raso A; Torres M; Terron A; Barcelo-Oliver M; Prieto MJ; Moreno V; Molins E;
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正文语种 eng
中图分类无机化学;
关键词
Ruthenium complexes; Iridium complexes; X-ray structures; Nicotine; AFM studies;

机译：钌配合物;铱配合物;X射线结构;尼古丁;AFM研究;

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Ruthenium(III) and iridium(III) complexes with nicotine

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