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

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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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Publication details

The article was received on 03 May 2019, accepted on 27 Jun 2019 and first published on 20 Sep 2019


Article type: Paper
DOI: 10.1039/C9FD00059C
Faraday Discuss., 2019, Advance Article

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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, Advance Article , DOI: 10.1039/C9FD00059C

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