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Issue 9, 2003
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Adamanzanes—bi- and tricyclic tetraamines and their coordination compounds

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Abstract

Structural modification of the important tetraaza macrocyclic ligands such as cyclen and cyclam involving ethylene and trimethylene bridging of the non-adjacent nitrogens represents a new class of macrobicyclic ligands, so-called bowl-adamanzanes. The molecular topology and size confer special properties to these amines and the most prominent features of their metal ion coordination complexes are extreme inertness and stabilization of low oxidation states. Strapping of the two secondary amine groups in the bicyclic bowl-adamanzanes leads to tricyclic tetraamine cages. These so-called cage-adamanzanes present themselves as interesting molecules with extreme acid–base properties important to model systems within biochemistry and applications such as suitable counter-ions for stablizing alkalides.

Graphical abstract: Adamanzanes—bi- and tricyclic tetraamines and their coordination compounds

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Publication details

The article was received on 13 Jan 2003, accepted on 21 Feb 2003 and first published on 18 Mar 2003


Article type: Perspective
DOI: 10.1039/B300510K
Citation: Dalton Trans., 2003,0, 1653-1665
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    Adamanzanes—bi- and tricyclic tetraamines and their coordination compounds

    J. Springborg, Dalton Trans., 2003, 0, 1653
    DOI: 10.1039/B300510K

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