Abstract
We describe the formation of a suite of [3]catenanes via multicomponent coordination-driven self-assembly and host-guest complexation of a rectangular scaffold comprising a 90 Pt-based acceptor building block with a pseudorotaxane bis(pyridinium)ethane/dibenzo-24-crown-8 linear dipyridyl ligand and three dicarboxylate donors. The doubly threaded [3]catenanes are formed from a total of 10 molecular components from four unique species. Furthermore, the dynamic catenation process is reversible and can be switched off and on in a controllable manner by successive addition of KPF6 and 18-crown-6, as monitored by 1H and 31P NMR spectroscopy.
| Original language | English |
|---|---|
| Pages (from-to) | 2084-2087 |
| Number of pages | 4 |
| Journal | Journal of the American Chemical Society |
| Volume | 135 |
| Issue number | 6 |
| DOIs | |
| State | Published - Feb 13 2013 |
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