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Issue 11, 2014
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Narcissistic self-sorting vs. statistic ligand shuffling within a series of phenothiazine-based coordination cages

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Abstract

Previously, we introduced a series of anion-binding interpenetrated double-cages based on phenothiazine and its mono- and di-S-oxygenated derivatives. Here, we complete the structural comparison of the three related assemblies by an X-ray single crystal analysis of the sulfone derivative. We further show that the three palladium cages coexist in solution upon post-assembly mixing due to the very slow ligand exchange whereas treatment of binary mixtures of the corresponding ligands with Pd(II) leads to the formation of mixed cages comprising a statistical ligand distribution. In contrast, mixtures of one of these ligands with a shorter ligand derivative lead to narcissistic self-assembly into a double-cage and a coexisting small monomeric cage, regardless of the order of mixing and Pd(II) addition.

Graphical abstract: Narcissistic self-sorting vs. statistic ligand shuffling within a series of phenothiazine-based coordination cages

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Publication details

The article was received on 16 Nov 2013, accepted on 20 Jan 2014 and first published on 23 Jan 2014


Article type: Paper
DOI: 10.1039/C3DT53243G
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Dalton Trans., 2014,43, 4587-4592
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    Narcissistic self-sorting vs. statistic ligand shuffling within a series of phenothiazine-based coordination cages

    M. Frank, L. Krause, R. Herbst-Irmer, D. Stalke and G. H. Clever, Dalton Trans., 2014, 43, 4587
    DOI: 10.1039/C3DT53243G

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