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

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

The two electron reduction of iron complexes [(PRP2Cy)Fe(Cl)2] (R = Ph or tBu) 2a–b afforded complexes [(PRP2Cy)Fe(N2)2] 4a–b. Protonation of 4a at the metal center and subsequent reduction to Fe(i)–H species lead to complex [(PPhP2Cy)Fe(N2)(H)2] 6avia a spontaneous disproportionation reaction. Comp...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018-10, Vol.54 (84), p.11953-11956
Hauptverfasser: Cavaillé, Anthony, Joyeux, Benjamin, Saffon-Merceron, Nathalie, Nebra, Noel, Fustier-Boutignon, Marie, Mézailles, Nicolas
Format: Artikel
Sprache:eng
Schlagworte:
Catalysis
Chemical Sciences
Coordination compounds
Crystallography
Disproportionation
Iron
Nitrogen compounds
Protonation
Reduction
Reduction (metal working)
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Zusammenfassung:The two electron reduction of iron complexes [(PRP2Cy)Fe(Cl)2] (R = Ph or tBu) 2a–b afforded complexes [(PRP2Cy)Fe(N2)2] 4a–b. Protonation of 4a at the metal center and subsequent reduction to Fe(i)–H species lead to complex [(PPhP2Cy)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.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc07466f