Iterative reactions of transient boronic acids enable sequential C–C bond formation

BATTILOCCHIO, Claudio, FEIST, Florian, HAFNER, Andreas, SIMON, Meike, TRAN, Duc, ALLWOOD, Daniel, BLAKEMORE, David and LEY, Steven (2016). Iterative reactions of transient boronic acids enable sequential C–C bond formation. Nature Chemistry, 8 (4), 360-363.

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Official URL: http://www.nature.com/nchem/journal/v8/n4/full/nch...
Link to published version:: https://doi.org/10.1038/nchem.2439
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    Abstract

    The ability to form multiple carbon–carbon bonds in a controlled sequence and thus rapidly build molecular complexity in an iterative fashion is an important goal in modern chemical synthesis. In recent times, transition-metal-catalysed coupling reactions have dominated in the development of C–C bond forming processes. A desire to reduce the reliance on precious metals and a need to obtain products with very low levels of metal impurities has brought a renewed focus on metal-free coupling processes. Here, we report the in situ preparation of reactive allylic and benzylic boronic acids, obtained by reacting flow-generated diazo compounds with boronic acids, and their application in controlled iterative C–C bond forming reactions is described. Thus far we have shown the formation of up to three C–C bonds in a sequence including the final trapping of a reactive boronic acid species with an aldehyde to generate a range of new chemical structures.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Biomolecular Sciences Research Centre
    Identification Number: https://doi.org/10.1038/nchem.2439
    Page Range: 360-363
    Depositing User: Daniel Allwood
    Date Deposited: 05 Jan 2017 16:08
    Last Modified: 30 Jun 2020 17:30
    URI: http://shura.shu.ac.uk/id/eprint/11574

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