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Issue 15, 2020
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The ambiguous behaviour of diphosphines towards the quasilinear iron(i) complex [Fe(N(SiMe3)2)2] – between inertness, P–C bond cleavage and C–C double bond isomerisation

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Abstract

Chelating phosphines are widely used as robust and reliable ligands in catalysis. We show that the anionic iron(I) complex [FeI(N(SiMe3)2)2] is able to selectively cleave a P-aryl bond of 1,2-bis(diphenylphosphino)benzene. Furthermore, the related cis-1,2-bis(diphenylphosphino)-ethylene (dppee) binds not to the P donors but to the ethylene unit, and is (catalytically) transformed to the trans-isomer.

Graphical abstract: The ambiguous behaviour of diphosphines towards the quasilinear iron(i) complex [Fe(N(SiMe3)2)2]− – between inertness, P–C bond cleavage and C–C double bond isomerisation

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Article information


Submitted
17 Nov 2019
Accepted
20 Jan 2020
First published
20 Jan 2020

Chem. Commun., 2020,56, 2268-2271
Article type
Communication

The ambiguous behaviour of diphosphines towards the quasilinear iron(I) complex [Fe(N(SiMe3)2)2] – between inertness, P–C bond cleavage and C–C double bond isomerisation

C. G. Werncke and I. Müller, Chem. Commun., 2020, 56, 2268
DOI: 10.1039/C9CC08968C

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