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Cationic Terminal Borylene Complexes: Interconversion of Amino and Alkoxy Borylenes by an Unprecedented Meerwein–Ponndorf Hydride Transfer

Authors

  • Deborah L. Kays (née Coombs) Dr.,

    1. Centre for Fundamental and Applied Main Group Chemistry, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, UK, Fax: (+44) 2920-874-030
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  • Joanna K. Day,

    1. Centre for Fundamental and Applied Main Group Chemistry, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, UK, Fax: (+44) 2920-874-030
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  • Simon Aldridge Dr.,

    1. Centre for Fundamental and Applied Main Group Chemistry, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, UK, Fax: (+44) 2920-874-030
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  • Ross W. Harrington Dr.,

    1. School of Natural Sciences (Chemistry), Bedson Building, University of Newcastle, Newcastle upon Tyne, NE1 7RU, UK
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  • William Clegg Prof.

    1. School of Natural Sciences (Chemistry), Bedson Building, University of Newcastle, Newcastle upon Tyne, NE1 7RU, UK
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  • We thank the EPSRC for funding (including that for the National Crystallography Service) and for access to the National Mass Spectrometry Facility, and the CCLRC for the award of synchrotron beamtime.

Abstract

original image

It's all new to B: In the reaction of borylene complex 1 with benzophenone, a Meerwein–Ponndorf β-hydride transfer from the aminoborylene ligand to the coordinated ketone generates 2 (see structure), the first example of an imine-donor-stabilized borylene complex, and the first cationic alkoxyborylene system.

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