Dibismuthanes in catalysis: From synthesis and characterization to redox behavior towards oxidative cleavage of 1,2-diols

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Abstract

A family of aryl dinuclear bismuthane complexes has been successfully synthesized and characterized. The two bismuth centers are bonded to various xanthene-type backbones, which differ in ring-size and flexibility, resulting in complexes with different intramolecular Bi⋯Bi distances. Moreover, their pentavalent Bi(v) analogues have also been prepared and structurally characterized. Finally, the synergy between bismuth centers in catalysis has been studied by applying dinuclear bismuthanes5-8to the catalytic oxidative cleavage of 1,2-diols. Unfortunately, no synergistic effects were observed and the catalytic activities of dinuclear bismuthanes and triphenylbismuth are comparable.

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Magre, M., Kuziola, J., Nöthling, N., & Cornella, J. (2021). Dibismuthanes in catalysis: From synthesis and characterization to redox behavior towards oxidative cleavage of 1,2-diols. Organic and Biomolecular Chemistry, 19(22), 4922–4929. https://doi.org/10.1039/d1ob00367d

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