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Vertical Assembly of Giant Double- and Triple-Decker Spoked Wheel Supramolecular Structures.

ABSTRACT: The double- or triple-decker 3D metallo-hexagons were obtained by self-assembly of multitopic tris-terpyridines with Cd2+ ions in near-quantitative yield. Comprising up to 72 ionic pairs, the multiple spoked wheels display characteristic reversible gelation properties under thermodynamic conditions. The supramolecular metallo-nanoarchitectures were characterized by 1 H?NMR, 2D NMR (COSY and NOESY), and diffusion-ordered spectroscopy (DOSY) and HR-ESI-MS, traveling-wave ion mobility mass spectrometry (TWIM-MS), TEM, and AFM. For the first time, the self-assembly of 45 units at once was demonstrated to yield exceptional giant triple-decker hexagons of up to circa 42?000?Da.

SUBMITTER: Liu D

PROVIDER: S-EPMC6345588 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Vertical Assembly of Giant Double- and Triple-Decker Spoked Wheel Supramolecular Structures.

Liu Die D Chen Mingzhao M Li Yiming Y Shen Yixian Y Huang Jian J Yang Xiaoyu X Jiang Zhilong Z Li Xiaopeng X Newkome George R GR Wang Pingshan P

Angewandte Chemie (International ed. in English) 20181004 43

The double- or triple-decker 3D metallo-hexagons were obtained by self-assembly of multitopic tris-terpyridines with Cd<sup>2+</sup> ions in near-quantitative yield. Comprising up to 72 ionic pairs, the multiple spoked wheels display characteristic reversible gelation properties under thermodynamic conditions. The supramolecular metallo-nanoarchitectures were characterized by <sup>1</sup> H NMR, 2D NMR (COSY and NOESY), and diffusion-ordered spectroscopy (DOSY) and HR-ESI-MS, traveling-wave ion ...[more]

PMID: 30209882

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