Ring-Shaped Rhenium(I) Multinuclear Complexes: Improved Synthesis and Photoinduced Multielectron Accumulation

We successfully developed selective synthesis of strongly emissive ring-shaped Re­(I) multinuclear complexes (RnP­(x) n+ in Chart ) with much higher yields compared with the previously reported method. This improved method could also be employed to prepare a novel ring-shaped multinuclear complex co...

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Bibliographic Details
Published in:Inorganic chemistry 2014-07, Vol.53 (14), p.7170-7180
Main Authors: Asatani, Tsuyoshi, Nakagawa, Yuki, Funada, Yusuke, Sawa, Shuhei, Takeda, Hiroyuki, Morimoto, Tatsuki, Koike, Kazuhide, Ishitani, Osamu
Format: Article
Language:English
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Summary:We successfully developed selective synthesis of strongly emissive ring-shaped Re­(I) multinuclear complexes (RnP­(x) n+ in Chart ) with much higher yields compared with the previously reported method. This improved method could also be employed to prepare a novel ring-shaped multinuclear complex composed of structurally different Re­(I) units. Each Re unit in RnP­(x) n+ could electrochemically accept one electron, and the multielectron reduced states of RnP­(x) n+ were stable. In the presence of triethanolamine, the ring-shaped tetranuclear and hexanuclear complexes can be photochemically reduced and accumulate 2.9–3.6 and 4.4 electrons in one molecule, respectively.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic501196q