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. 2010 May 12;132(18):6282-3.
doi: 10.1021/ja100889h.

Metallosupramolecular tetragonal prisms via multicomponent coordination-driven template-free self-assembly

Ming Wang  1 , Yao-Rong Zheng, Koushik Ghosh, Peter J Stang
Affiliations

Metallosupramolecular tetragonal prisms via multicomponent coordination-driven template-free self-assembly

Ming Wang et al. J Am Chem Soc. .

Abstract

We present a general strategy for the synthesis of stable 3-D metallosupramolecular tetragonal prisms in which multicomponent coordination-driven self-assembly allows for single supramolecular species to be formed. The appropriate stoichiometric combination of a tetraphenylethylene-based tetratopic donor (1), a linear dipyridine donor (2), and a 90 degrees platinum metal complex (3) affords tetragonal prisms (4) as single products. The compounds have been characterized by multinuclear NMR spectroscopy and electrospray ionization mass spectrometry. The size of the supramolecules was determined by pulsed-gradient spin-echo NMR and modeled with molecular force field simulation methods.

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Figures

Figure 1
Figure 1
The 31P{1H} NMR spectra (121.4 MHz, 298K, CD2Cl2/CD3NO2 v : v = 2 : 1) of acceptor 3 (A) and tetragonal prism 4a (B)
Figure 2
Figure 2
Theoretical(blue) and experimental (red) ESI-MS spectra of tetragonal prism 4a
Figure 3
Figure 3
Molecular Modeling of tetragonal prism 4a
Scheme 1
Scheme 1
Multicomponent coordination-driven self-assembly of tetragonal prisms
See this image and copyright information in PMC

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