Issue 12, 1998

A molecular redox switch via iron translocation in a bicompartmental ligand

Abstract

Mononuclear complexes of an unsymmetrical bicompartmental ligand containing an iron ion that can occupy either the ‘soft nitrogen box’ or the ‘hard oxygen box’ have been synthesized. When the ferric iron is electrochemically reduced or when the ferrous iron is electrochemically oxidized, it hops from one binding site to the other. The process is reversible. During the switching process, the iron ion remains bound to the bridging phenolate ligand and the iron translocation may be regarded as a ‘pendular motion’. Un interrupteur mole′culaire par translocation du fer dans un ligand à deux compartiments. Des complexes mononucle′aires d'un ligand à deux compartiments dissyme′triques contenant un ion fer qui peut occuper soit le compartiment azote′ (mou), soit le compartiment oxyge′ne′ (dur) ont e′te′ pre′pare′s. Quand l'ion ferrique est re′duit e′lectrochimiquement ou quand l'ion ferreux est oxyde′ e′lectrochimiquement, il saute d'un compartiment à l'autre. Le processus est re′versible. Pendant la translocation, le me′tal reste lie′ au groupement phe′nolate pontant, dans un mouvement pendulaire.

Article information

Article type
Paper

New J. Chem., 1998,22, 1399-1402

A molecular redox switch via iron translocation in a bicompartmental ligand

C. Belle, J. Pierre and E. Saint-Aman, New J. Chem., 1998, 22, 1399 DOI: 10.1039/A805958F

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