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Issue 89, 2017
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Alkylideneborate zwitterions and C–C coupling by atypical diboration of electron-rich alkynes

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Abstract

The combination of electron-rich diaminoalkynes and ditopic Lewis acids diboranes(4) leads to unusual uncatalysed diboration reactions involving internal Lewis adduct, zwitterion, and C–C bond formation. The products are novel multicyclic, charge-separated compounds with intramolecular dative bonds.

Graphical abstract: Alkylideneborate zwitterions and C–C coupling by atypical diboration of electron-rich alkynes

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Publication details

The article was received on 22 Sep 2017, accepted on 10 Oct 2017 and first published on 11 Oct 2017


Article type: Communication
DOI: 10.1039/C7CC07409C
Citation: Chem. Commun., 2017,53, 12132-12135

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    Alkylideneborate zwitterions and C–C coupling by atypical diboration of electron-rich alkynes

    J. Böhnke, H. Braunschweig, A. Deißenberger, T. Dellermann, R. D. Dewhurst, J. O. C. Jiménez-Halla, S. Kachel, H. Kelch and D. Prieschl, Chem. Commun., 2017, 53, 12132
    DOI: 10.1039/C7CC07409C

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