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Issue 20, 2019
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Ionic liquid cations as methylation agent for extremely weak chalcogenido metalate nucleophiles

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Abstract

Selective in situ methylation of terminal chalcogenide ligands of molecular chalcogenido metalate anions in ionothermal reactions with alkylimidazolium-based ionic liquids yields a series of organo-functionalized chalcogenido metalate compounds. We present the syntheses and crystal structures of (C4C1C1Im)4+x[Sn10S16O4(SMe)4][An]x (1a–1f), (dmmpH)6[Mn4Sn4Se13(SeMe)4] (2), and (CnC1Im)6[Hg6Te10(TeMe)2] (3a, 3b). The methylation was confirmed by Raman spectroscopy, and the optical absorption properties of the methylated compounds were determined and compared to purely inorganic analogs.

Graphical abstract: Ionic liquid cations as methylation agent for extremely weak chalcogenido metalate nucleophiles

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Publication details

The article was received on 19 Mar 2019, accepted on 20 Apr 2019 and first published on 22 Apr 2019


Article type: Edge Article
DOI: 10.1039/C9SC01358J
Chem. Sci., 2019,10, 5211-5217
  • Open access: Creative Commons BY-NC license
    All publication charges for this article have been paid for by the Royal Society of Chemistry

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    Ionic liquid cations as methylation agent for extremely weak chalcogenido metalate nucleophiles

    B. Peters, S. Santner, C. Donsbach, P. Vöpel, B. Smarsly and S. Dehnen, Chem. Sci., 2019, 10, 5211
    DOI: 10.1039/C9SC01358J

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