Issue 20, 2019
From the journal:

Chemical Science

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

Bertram Peters,a   Silke Santner,a   Carsten Donsbach,a   Pascal Vöpel,b   Bernd Smarsly ORCID logo b  and  Stefanie Dehnen ORCID logo *a  

* Corresponding authors

a Fachbereich Chemie, Wissenschaftliches Zentrum für Materialwissenschaften (WZMW), Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35043 Marburg, Germany
E-mail: dehnen@chemie.uni-marburg.de

b Physikalisch-Chemisches Institut, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, 35392 Gießen, Germany

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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Article information

DOI
https://doi.org/10.1039/C9SC01358J
Article type
Edge Article
Submitted
19 mars 2019
Accepted
20 avr. 2019
First published
22 avr. 2019
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2019,10, 5211-5217

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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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