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Issue 15, 2018
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Chiral macrocyclic terpyridine complexes

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The syntheses of novel chiral M(II) bis(terpyridine) cage complexes Fe(L1)2-c and Ru(L1)2-c are described. The extraordinary design of the precursors Fe(L1)2 and Ru(L1)2 allows perfect preorganization for the final closing step. Due to the rigidity of the spacers between the two terpyridine moieties, the two isolated enantiomers barely racemize at room temperature in solution. The stable and axially chiral bis(terpyridine) Fe(II) and Ru(II) complexes were fully characterized by NMR-spectroscopy, UV-Vis spectroscopy, electrochemical measurements, high resolution mass spectrometry, circular dichroism measurements, and X-ray structural analysis.

Graphical abstract: Chiral macrocyclic terpyridine complexes

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The article was received on 13 Dec 2017, accepted on 22 Mar 2018 and first published on 23 Mar 2018

Article type: Edge Article
DOI: 10.1039/C7SC05285E
Citation: Chem. Sci., 2018,9, 3837-3843
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    Chiral macrocyclic terpyridine complexes

    T. Brandl, V. Hoffmann, A. Pannwitz, D. Häussinger, M. Neuburger, O. Fuhr, S. Bernhard, O. S. Wenger and M. Mayor, Chem. Sci., 2018, 9, 3837
    DOI: 10.1039/C7SC05285E

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