Template-directed synthesis of mechanically interlocked molecular bundles using dynamic covalent chemistry |
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| Authors: | Northrop Brian H Aricó Fabio Tangchiavang Nick Badjić Jovica D Stoddart J Fraser |
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| Affiliation: | Department of Chemistry and Biochemistry and the California NanoSystems Institute, University of California-Los Angeles, 405 Hilgard Avenue, Los Angeles, CA 90095, USA. |
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| Abstract: | Mixing the dipyrido[24]crown-8 derivatives carrying one or two formyl group(s) on the 4 position(s) of their pyridine ring(s) with a 3-fold symmetrical trisammonium ion template in a 3:1 ratio in CD3NO2 results in the formation of thermodynamically stable [4]pseudorotaxanes which, upon addition of a 1,3,5-trisaminobenzene cap, form mechanically interlocked molecular bundles with one and two caps, respectively, by virtue of dynamic imine bond formation. |
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