Volume 220, 2019
From the journal:

Faraday Discussions

Activation of tetrafluoropropenes by rhodium(i) germyl and silyl complexes†

Maria Talavera, ORCID logo a   Robert Müller, ORCID logo b   Theresia Ahrens,a   Cortney N. von Hahmann,a   Beatrice Braun-Cula, ORCID logo a   Martin Kaupp ORCID logo *b  and  Thomas Braun ORCID logo *a  

* Corresponding authors

a Humboldt-Universität zu Berlin, Department of Chemistry, Brook-Taylor-Straße 2, 12489 Berlin, Germany
E-mail: thomas.braun@cms.hu-berlin.de
Tel: +49 30 2093 3913

b Institut für Chemie, Theoretische Chemie/Quantenchemie, Technische Universität Berlin, Sekr. C7, Straße des 17. Juni 135, 10623 Berlin, Germany
E-mail: martin.kaupp@tu-berlin.de

Abstract

The reaction of the rhodium(I) complexes [Rh(E)(PEt3)3] (E = GePh3 (1), Si(OEt)3 (5)) with HFO-1234yf (2,3,3,3-tetrafluoropropene) afforded [Rh(F)(PEt3)3] (2) and the functionalized olefins Z-CF3CH[double bond, length as m-dash]CH(E) (E = GePh3 (4a), Si(OEt)3 (7)). Conceivable reaction pathways were assessed using DFT calculations. Reactions of [Rh(E)(PEt3)3] with HFO-1234ze (E-1,3,3,3-tetrafluoropropene) yielded the rhodium fluorido complex 2 and [Rh{(E)-CH[double bond, length as m-dash]CH(CF3)}(PEt3)3] (9) via two different reaction pathways. Using complexes 1 and 5 as catalysts, functionalized building blocks were obtained.

Graphical abstract: Activation of tetrafluoropropenes by rhodium(i) germyl and silyl complexes

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DOI
https://doi.org/10.1039/C9FD00059C
Article type
Paper
Submitted
03 May 2019
Accepted
27 Jun 2019
First published
20 Sep 2019
This article is Open Access
Creative Commons BY-NC license

Faraday Discuss., 2019,220, 328-349

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Activation of tetrafluoropropenes by rhodium(I) germyl and silyl complexes

M. Talavera, R. Müller, T. Ahrens, C. N. von Hahmann, B. Braun-Cula, M. Kaupp and T. Braun, Faraday Discuss., 2019, 220, 328 DOI: 10.1039/C9FD00059C

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