Mixed‐Valence, Tetranuclear Iron Chelate Complexes as Endoreceptors: Charge Compensation Through Inclusion of Cations

Rolf W. Saalfrank*, Roman Burak, Alexandra Breit, Dietmar Stalke, Regine Herbst‐Irmer, Jörg Daub, Michael Porsch, Eckhard Bill, Markus Müther, Alfred X. Trautwein

*Corresponding author for this work
127 Citations (Scopus)

Abstract

In a simple one‐pot reaction the host‐guest compounds 1 (white spheres FeIII; black = FeII; gray = NH 4+; angled rods = 2: R = Me, Et) are accessible in gram quantities by self‐assembly. They are the only fully characterized redox isomers whose cyclic voltammograms display four quasi‐reversible waves and whose mixed‐valent character has been established by Mössbauer spectra. The endohedral complexation of one NH 4+ ion in 1 has been confirmed by X‐ray crystallography. (Figure Presented.)

Original languageEnglish
JournalAngewandte Chemie International Edition in English
Volume33
Issue number15-16
Pages (from-to)1621-1623
Number of pages3
ISSN0570-0833
DOIs
Publication statusPublished - 02.09.1994

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