Subcomponent flexibility enables conversion between D4-symmetric CdII8L8 and T-symmetric CdII4L4 assemblies

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Mosquera, Jesús and Ronson, Tanya K. and Nitschke, Jonathan R. (2016) Subcomponent flexibility enables conversion between D4-symmetric CdII8L8 and T-symmetric CdII4L4 assemblies. Journal of the American Chemical Society, 138 (6). pp. 1812-1815. ISSN 1520-5126 (https://doi.org/10.1021/jacs.5b12955)

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Abstract

A flexible tris-formylpyridine subcomponent A was observed to produce three distinct products following CdII-templated self-assembly with different anilines. Two of the products were CdII4L4 tetrahedra, one with ligands puckered inward, and the other outward. The third product was a CdII8L8 structure having all mer stereochemistry, contrasting with the fac stereochemistry of the tetrahedra. These three complexes were observed to coexist in solution. The equilibrium between them could be influenced through guest binding and specific interactions between aniline subcomponents, allowing a selected one of the three to predominate under defined conditions.

ORCID iDs

Mosquera, Jesús ORCID logoORCID: https://orcid.org/0000-0001-6878-4567, Ronson, Tanya K. and Nitschke, Jonathan R.;
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