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MOLECULAR TOPOLOGY

Double, double trefoil and trouble

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By combining the link of a catenane with the interweaving of a trefoil knot, a molecular structure with a double knot-link containing 14 crossings is prepared. The knot-link contains two homochiral trefoil knots that are quadruply linked with each other.

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Fig. 1: Topologies of a link, trefoil knot and double trefoil knot-links.
Fig. 2: The building blocks for self-assembly of the trefoil knot and double knot-link.

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  1. Department of Chemistry, Franklin and Marshall College, Lancaster, PA, USA

    Edward E. Fenlon

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  1. Edward E. Fenlon
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Correspondence to Edward E. Fenlon.

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Fenlon, E.E. Double, double trefoil and trouble. Nat. Synth 1, 586–587 (2022). https://doi.org/10.1038/s44160-022-00103-7

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