Isolation and structural characterization of a mainly ligand-based dimetallic radical

Li Shuyu; Wang Xingyong; Zhang Zaichao; Zhao Yue; Wang Xinping

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Isolation and structural characterization of a mainly ligand-based dimetallic radical

机译：主要是基于配体的双金属自由基的分离和结构表征

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A radical cation of ruthenium was isolated and structurally characterized. The EPR spectrum and theoretical calculations indicate that the spin density mainly resides on ligands. The X-ray structure shows that the change in metal-metal bond lengths is negligible upon one-electron oxidation. sp(3) C-H bond activation was observed during the reaction of the parent molecule with the trityl cation, which possibly occurs via an oxidative EC mechanism: a thermodynamically favorable electron-transfer to give the radical cation intermediate, followed by the hydrogen atom abstraction to afford a cationic tetramethylfulvene complex with formation of a metal-carbon bond.

机译：分离出钌的自由基阳离子并对其结构进行了表征。 EPR光谱和理论计算表明，自旋密度主要位于配体上。 X射线结构表明，在单电子氧化时，金属-金属键长的变化可忽略不计。在母体分子与三苯甲基阳离子反应期间观察到sp（3）CH键活化，这可能是通过氧化EC机制发生的：热力学上有利的电子转移以产生自由基阳离子中间体，随后氢原子被提取为得到具有金属-碳键形成的阳离子四甲基富勒烯配合物。

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《Dalton transactions: An international journal of inorganic chemistry》 |2015年第46期|共4页
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Li Shuyu; Wang Xingyong; Zhang Zaichao; Zhao Yue; Wang Xinping;
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1. Isolation and structural characterization of a mainly ligand-based dimetallic radical [J] . Li Shuyu, Wang Xingyong, Zhang Zaichao, Dalton transactions: An international journal of inorganic chemistry . 2015,第46期

机译：主要是基于配体的双金属自由基的分离和结构表征
2. Isolation and X-ray structural characterization of a dicationic homotrimer of 2,3,6,7-tetramethoxy-9,10-dimethylanthracene cation radical [J] . Matthew J. Modjewski, Ruchi Shukla, Sergey V. Lindeman Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2009,第48期

机译：2,3,6,7-四甲氧基-9,10-二甲基蒽阳离子基团的双键均三聚体的分离和X射线结构表征
3. Isolation and X-ray structural characterization of tetraisopropylpyrene cation radical [J] . Moloy Banerjee, Vijay S. Vyas, Sergey V. Lindeman, Chemical Communications . 2008,第16期

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Isolation and structural characterization of a mainly ligand-based dimetallic radical

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