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Triethylenetetraamine complexes with iron
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Triethylenetetraamine Complexes with Iron
Triethylenetetraamine (trien) is a tetradentate ligand that forms stable complexes with a variety of metal ions, including iron. Iron(II) complexes of trien are high-spin, octahedral complexes that are typically yellow or orange in color. Iron(III) complexes of trien are low-spin, octahedral complexes that are typically red or brown in color.
The stability of trien complexes is due to the formation of a strong chelate ring between the metal ion and the four nitrogen atoms of the ligand. This chelate ring prevents the metal ion from being displaced by other ligands. Trien complexes are also kinetically inert, meaning that they are slow to undergo ligand exchange reactions.
Trien complexes have been used in a variety of applications, including:
* As catalysts for a variety of reactions, including the polymerization of olefins and the hydrogenation of alkenes.
* As MRI contrast agents.
* As drugs for the treatment of iron deficiency anemia.
Triethylenetetraamine (trien) is a tetradentate ligand that forms stable complexes with a variety of metal ions, including iron. Iron(II) complexes of trien are high-spin, octahedral complexes that are typically yellow or orange in color. Iron(III) complexes of trien are low-spin, octahedral complexes that are typically red or brown in color.
The stability of trien complexes is due to the formation of a strong chelate ring between the metal ion and the four nitrogen atoms of the ligand. This chelate ring prevents the metal ion from being displaced by other ligands. Trien complexes are also kinetically inert, meaning that they are slow to undergo ligand exchange reactions.
Trien complexes have been used in a variety of applications, including:
* As catalysts for a variety of reactions, including the polymerization of olefins and the hydrogenation of alkenes.
* As MRI contrast agents.
* As drugs for the treatment of iron deficiency anemia.
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