Jump to main content
Jump to site search

Issue 24, 2014
Previous Article Next Article

Reduction of an Fe(I) mesityl complex induced by π-acid ligands

Author affiliations


Treatment of the Fe(I) mesityl complex [Fe(Mes)(BPEP-Ph)] (BPEP-Ph = 2,6-bis[1-phenyl-2-(2,4,6-tri-tert-butylphenyl)-2-phosphaethenyl]pyridine) with π-acid ligands (L = CO, RNC) leads to one-electron reduction via Mes group migration from Fe to P, followed by homolytic elimination of the 2,4,6-tBu3C6H2 group, to afford Fe(0) complexes of the formula [Fe(L)2(BPEP-Ph*)] (BPEP-Ph* = 2-[1-phenyl-2-mesityl-2-phosphaethenyl]-6-[1-phenyl-2-(2,4,6-tri-tert-butylphenyl)-2-phosphaethenyl]pyridine). This reduction process is supported by radical trapping experiments and theoretical studies. The 2,4,6-tBu3C6H2˙ radical is captured by 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) in high yield. DFT calculations reveal the mechanism of Mes group migration with a reasonable energy profile.

Graphical abstract: Reduction of an Fe(i) mesityl complex induced by π-acid ligands

Back to tab navigation

Supplementary files

Publication details

The article was received on 17 Jan 2014, accepted on 11 Feb 2014 and first published on 11 Feb 2014

Article type: Paper
DOI: 10.1039/C4DT00170B
Citation: Dalton Trans., 2014,43, 9032-9037
  •   Request permissions

    Reduction of an Fe(I) mesityl complex induced by π-acid ligands

    Y. Lin, Y. Nakajima and F. Ozawa, Dalton Trans., 2014, 43, 9032
    DOI: 10.1039/C4DT00170B

Search articles by author