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Updated: Aug 11, 2026
10:57
Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
Functionalisation of carbon dioxide by an iron(II) complex
Leslie D Field1, Warren J Shaw, Peter Turner
1School of Chemistry, University of Sydney, New South Wales, 2006, Australia.
Chemical Communications (Cambridge, England)
|July 18, 2002
Summary
Carbon dioxide reacts with a specific iron complex to form an iminium carboxylate. This intermediate then rearranges into a novel ferracycle structure, showcasing new organometallic chemistry.
Area of Science:
- Organometallic Chemistry
- Coordination Chemistry
- Inorganic Chemistry
Background:
- Iron complexes with sulfur- and nitrogen-containing ligands are crucial in catalysis.
- Understanding ligand reactivity with small molecules like CO2 is key to developing new synthetic methods.
Purpose of the Study:
- To investigate the reaction of carbon dioxide with trans-bis(dimethylphosphinoethane)iron(II) complexes.
- To characterize the resulting iminium carboxylate and its subsequent rearrangement products.
Main Methods:
- Synthesis and characterization of the iron complex trans-Fe(dmpe)2(SCHNEt)H.
- Reaction of the iron complex with carbon dioxide.
- Isolation and structural elucidation of the iminium carboxylate and ferracycle products.
Main Results:
- The addition of CO2 to trans-Fe(dmpe)2(SCHNEt)H yields the iminium carboxylate trans-Fe(dmpe)2(SCHN+(Et)CO2-)H.
- This iminium carboxylate undergoes rearrangement to form the ferracycle cis-Fe(dmpe)2(SCH2N(Et)C(O)O-kappa S,O).
Conclusions:
- This study demonstrates a novel transformation of CO2 mediated by an iron complex.
- The formation of the ferracycle highlights new reactivity pathways in organoiron chemistry.
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