Triphos–Fe dinitrogen and dinitrogen–hydride complexes: relevance to catalytic N2 reductions

Anthony Cavaillé; Benjamin Joyeux; Nathalie Saffon-Merceron; Noel Nebra; Marie Fustier-Boutignon; Nicolas Mézailles

doi:10.1039/C8CC07466F

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Triphos–Fe dinitrogen and dinitrogen–hydride complexes: relevance to catalytic N₂ reductions†

Anthony Cavaillé,^a Benjamin Joyeux,^a Nathalie Saffon-Merceron,^b Noel Nebra,

^a Marie Fustier-Boutignon^a and Nicolas Mézailles

*^a

Author affiliations

* Corresponding authors

^a Laboratoire Hétérochimie Fondamentale et Appliquée, Université Paul Sabatier, CNRS, 118 Route de Narbonne, 31062 Toulouse, France
E-mail: mezailles@chimie.ups-tlse.fr

^b Institut de Chimie de Toulouse ICT-FR2599, Université Paul Sabatier, CNRS, 31062 Toulouse Cedex, France

Abstract

The two electron reduction of iron complexes [(P^RP₂^Cy)Fe(Cl)₂] (R = Ph or tBu) 2a–b afforded complexes [(P^RP₂^Cy)Fe(N₂)₂] 4a–b. Protonation of 4a at the metal center and subsequent reduction to Fe(I)–H species lead to complex [(P^PhP₂^Cy)Fe(N₂)(H)₂] 6avia a spontaneous disproportionation reaction. Complex 4a behaves as one of the most efficient monometallic Fe-catalysts reported to date for N₂-to-N(SiMe₃)₃ functionalization under atmospheric pressure.

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Article information

DOI: https://doi.org/10.1039/C8CC07466F
Article type: Communication
Submitted: 14 Sep 2018
Accepted: 27 Sep 2018
First published: 28 Sep 2018

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Chem. Commun., 2018,54, 11953-11956

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Triphos–Fe dinitrogen and dinitrogen–hydride complexes: relevance to catalytic N₂ reductions

A. Cavaillé, B. Joyeux, N. Saffon-Merceron, N. Nebra, M. Fustier-Boutignon and N. Mézailles, Chem. Commun., 2018, 54, 11953 DOI: 10.1039/C8CC07466F

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