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Issue 65, 2019
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Selective mono- and dimetallation of a group 3 sandwich complex

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Abstract

The scandium Cp/COT hybrid sandwich compound [(η5-C5H5)Sc(η8-C8H8)] is resistant to metallation via conventional alkyllithium and lithium amide bases. In this work, clean, selective, stoichiometric and high-yielding mono- and dimetallation is accomplished using tandem trans-metal-trapping (TMT) involving LiTMP and iBu2AlTMP with deprotonation occurring selectively at the Cp and Cp/COT rings respectively, providing the first examples of selective metallation of a sandwich complex featuring a group 3 element.

Graphical abstract: Selective mono- and dimetallation of a group 3 sandwich complex

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Publication details

The article was received on 17 May 2019, accepted on 19 Jul 2019 and first published on 19 Jul 2019


Article type: Communication
DOI: 10.1039/C9CC03825F
Chem. Commun., 2019,55, 9677-9680

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    Selective mono- and dimetallation of a group 3 sandwich complex

    A. J. Martínez-Martínez, A. R. Kennedy, V. Paprocki, F. Fantuzzi, R. D. Dewhurst, C. T. O’Hara, H. Braunschweig and R. E. Mulvey, Chem. Commun., 2019, 55, 9677
    DOI: 10.1039/C9CC03825F

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